Chevy 350 Tbi Sluggish Acceleration


REBUILD KIT GM TBI 400 CROSS FIRE You may notice rough idling or slow acceleration. Chevy is going in an 84 Cutlass with a 4-speed stick conversion. 2003 Chevy 4. No warning signs at all. 350 runs great at idle but bogs down during acceleration. Plus, it’s a lot easier to explain to the boss why you’re adding horsepower to a Chevy Silverado than it would be if you were modifying something else, like a 2-door compact car. I have also experienced lack of low end power lately when I take off from a stop. 1988-1999 Chevrolet & GMC C/K GMT400 Platform ; 95 K1500 - Sluggish Acceleration And Other Issues Sign up for FREE! Become a GM-Trucks. I just feel if your going to post a new cars are better you need to have every fact correct. 1988 Chevy Truck rough throttle acceleration. Acceleration would be close to the same once moving. I've checked the timing and it's set at +2 degrees. I gave it a tune up not to long ago so I know that's not the issue. 1990 Chevy Cheyenne 350 sluggish performance, code 42 and 44 - Chevy Message Forum - Restoration and Repair Help. Solution: The Chevy 350 TBI doesn't have a fuel pressure test port. The engine struggles to keep it above 7-800 RPM. I have an 87 R10 with a 350 TBI that's experiencing a loss of power when I try to accelerate. The engine has around 70,000 miles on it. In my case when the TB tried to slow down the gas flow after a hard acceleration it did so too aggressively and it killed the motor as I came to a stop. For me on a drag strip launch it is less than a tenth of a second. Model specific subject matter experts, classified ads and more. Sounds like it could just be a timing needed. A 350 should have more power than a little 307, so I'm sure with some tuning you can get yours running a little better. Im running out of ideas i recently bought a gm crate engine for my 76 blazer ive replaced just about everything on the motor when i bought it (new carb, fuel pump, fuel filter, water pump, alternator, power steering pump, plugs wires cap and rotor) the only things i kept were the intake. The truck starts and runs fine at highway speed but when accelerating, the truck. 7 time king of the streets champion. In my case this lasted too long. Re: Sluggish, weak 350 tbi that no one can figure out « Reply #6 on: October 23, 2014, 10:07:11 AM » Disconnect the tan wire firewall where the brake booster meets the firewall, start engine, set to zero degrees, stop engine, re-connect wire. Remove the TBI, 13mm bolts 1 front 2 back. take number 1 plug out, stick you finger in the hole and have someone bump the starter until the piston pushes you finger away, then turn the crank to top dead center and drop the distributor back in. Solving RF Interference Issues in Sniper Installations. 75-inch stroke in a 350 is that it allows improvements to be made in other areas and, if not compromised (as is often the case) by too short a rod, proves to be the way to go when hopping up a 350 on a budget. 350 TBI sluggish The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board 350 TBI sluggish It works by the lack of acceleration,. And even if your Chevy has been well maintained or has super low miles, a little extra horsepower never hurt anyone. i hooked them all back up because it had a rough start. I would start with checking fuel pressure at the throttle body. I gave it a tune up not to long ago so I know that's not the issue. Long story short, truck was stolen and recovered. No warning signs at all. The fan clutch is designed to improve the vehicle’s cooling system efficiency while reducing the load on the engine and loss of energy caused by the fan itself. (Granted, a friend of mine had a 82 Chevy B_Body wagon with 267, 2bbl, OD and 2. Created : 971013 Last updated: 981111 Editing notes for Andy Items to be bolded are starred. 3 Upon tear down to get the rebuild process going, I stupidly threw the original EGR valve away. 14° idle and 35° at 3000 rpm. Tbi Sluggish Chevy 350 Acceleration. 1988 K1500 350 TBI. It will start easily but shakes and runs like crap. If there is any problem with the pump, then there will be a problem in the fuel mixture during acceleration. Replaced the engine and it starts and runs fine, until you drive it under load. 56 gears!! Talk about a SLUG!) The same Cutlass would have 2. If press gas then wait 1/2-2 secs. I have most of the motor parts and fastburn heads are finished. You will need to get a smaller air cleaner or just keep the riser and not lower the air. Now IAC goes. 3 engine manual trans. I've checked the timing and it's set at +2 degrees. Excessive Oil Consumption. You need that extra power. Solving RF Interference Issues in Sniper Installations. chevy 350 tbi timing specs. 93 Chevy K1500 Silverado V8 350 motor. Chevy Forums FREE technical assistance for your restoration and repair. It wasnt a drag car or anything, but it had lots of power and felt good on the street. Chevrolet Forum - Chevy Enthusiasts Forums >Current Chevy Trucks, SUV's, Crossovers & Vans >Silverado & Fullsize Pick-ups >90 chevy 350 5. Im running out of ideas i recently bought a gm crate engine for my 76 blazer ive replaced just about everything on the motor when i bought it (new carb, fuel pump, fuel filter, water pump, alternator, power steering pump, plugs wires cap and rotor) the only things i kept were the intake. I have most of the motor parts and fastburn heads are finished. And also the throttle position sensor because for some odd. Chevrolet Forum - Chevy Enthusiasts Forums >Current Chevy Trucks, SUV's, Crossovers & Vans >Silverado & Fullsize Pick-ups >90 chevy 350 5. I have a stumbling engine when my chevy shifts into over drive. Or a plugged exhaust. Good luck! Carl. About Tbi Sluggish Acceleration Chevy 350. If press gas then wait 1/2-2 secs. Engine performance problem originally started out as horrific stumble with occasional backfire when giving throttle AFTER engine is at normal operating temp. Or fuel pump. Solution: The Chevy 350 TBI doesn't have a fuel pressure test port. Most Chevy's did not get gearing like this. 7l/350 air intake kits and get free shipping on. What Does P0171 Mean For Your Chevrolet? Combustion engines run most efficiently when they maintain an air-fuel mixture ratio of 14. So, you need to test it with fittings to tee in the pressure gauge. Official Chevrolet site: see Chevy cars, trucks, crossovers & SUVs - see photos/videos, find vehicles, compare competitors, build your own Chevy & more. And when you do it can seem like nothing is working right. About Tbi Sluggish Acceleration Chevy 350. Answer (1 of 2): Probably a Tremec TR6060 :- Which is just about the strongest manual transmissions which have a 31 spline output shaft & are fitted behind the current Chevy V8 engines,the T56 Tremec which I have fitted behind the LS1 engine in my car would be strong enough :- The LS V8 types o. Tbi Sluggish Chevy 350 Acceleration. That's a long story from when my project began. And even if your Chevy has been well maintained or has super low miles, a little extra horsepower never hurt anyone. If there is any problem with the pump, then there will be a problem in the fuel mixture during acceleration. And with that the Fuel Filter. Quicker acceleration, smoother running, more power, the only thing I would ding it on is the better mpg part. Re: 1990 chevy c1500 hesitation and stumbling during Based on what you said, I would say the engine is starving for fuel. I have a 97 Suburban 5. I've replaced map sensor, tps, egr valve, engine coolant temp sensor, Ne. i hooked them all back up because it had a rough start. Engine temps run 240+255 on a 90 degree day with 1,000 gal nurse trailer of 10-34-0 behind it. Long story short, truck was stolen and recovered. 94 chevy k1500 350 tbi: in the morning when it is cold i It stayed cold for 2 days and I repeated this cycle, with it starting for maybe 5 seconds - every few hours. Replaced: Distributor, Fuel pump, TPS, IAC, ignition coil, ESC, knock sensor, coolant temp sensor, O2 sensor, MAP sensor, ECM (reman). If you want to keep the cruze control then skip this part. 350 runs great at idle but bogs down during acceleration. Might trigger knock sensor or lean fuel mix due to excessively lean mixture under acceleration. REBUILD KIT GM TBI 400 CROSS FIRE You may notice rough idling or slow acceleration. Consult a service manual or see below for any check engine light code definitions. If you have access to a scan tool use a hook up for a 1990 350 cu. After the first few seconds, its idles rough. 350 TBI sluggish The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board 350 TBI sluggish It works by the lack of acceleration,. So, you need to test it with fittings to tee in the pressure gauge. 7L Chevrolet truck. 1988 Chevy 350 no power under load. So loud beyond knocking. 5" Pv 89 jets rear and 31# squirter MSD Streetfire Hei distributor. I use to be able to take off quickly when I wanted to but now my acceleration is pretty slow. Chevy Forums FREE technical assistance for your restoration and repair. 1988-1999 Chevrolet & GMC C/K GMT400 Platform Sluggish Acceleration And Other Issues Something to remember is that the TBI 350's weren't all that powerful. 7 parts air to 1 part fuel. 73 gears on a 305. 030" over 11:1 compression L98 Aluminum heads 58cc Edelbrock Streetmaster intake. Chevrolet Code P0171 Definition System too lean (Bank 1). I replaced the fuel pump-because it was bad in July. 75-inch stroke in a 350 is that it allows improvements to be made in other areas and, if not compromised (as is often the case) by too short a rod, proves to be the way to go when hopping up a 350 on a budget. Re: Sluggish, weak 350 tbi that no one can figure out « Reply #6 on: October 23, 2014, 10:07:11 AM » Disconnect the tan wire firewall where the brake booster meets the firewall, start engine, set to zero degrees, stop engine, re-connect wire. And even if your Chevy has been well maintained or has super low miles, a little extra horsepower never hurt anyone. 78 open, 1988 Olds Cutlass Supreme Brougham , 73 Olds 350, 2004R, 3. (my non-expert description) It is designed for fuel savings by dropping RPMs when cruising. About Tbi Sluggish Acceleration Chevy 350. Turbo 350 trans and 3. And with that the Fuel Filter. 97 chevy silverado, 5. This tech paper will discuss setting the timing on a Chevy V8. Anyways when I try to accelerate it will hit 2000 rpm and not want to go any higher. The 305 felt more sluggish than the 350, and it also had an annoying hesitation when accelerating from a stop. Acceleration would be close to the same once moving. Chevy Forums FREE technical assistance for your restoration and repair. 9 swap, 2017 Dodge Challenger GT AWD Go Green 35 mpg Imperial. 1972 Chevy Nova - 12. for a GM TBI application to read the data, or to check for stored codes. 3 Liter V8 Vortec 5300 engines were defective. By turning a knob, you can adjust when the fan turns on, from approximately 160 to 240 degrees. Engine temps run 240+255 on a 90 degree day with 1,000 gal nurse trailer of 10-34-0 behind it. 1988 Chevy Truck rough throttle acceleration. I'm running out of ideas. Both the TBI and Vortec engines used only two injectors to supply fuel ATK HP31 Chevy 350 87-95 TBI Base Engine 290HP, Call 866-721-2315 to Speak with an ATK Crate Engine Specialist Pictured is a TBI complete system for a 2bbl Chevy V8. You know, to. Re: I have a 1995 chevy k 1500 350 tbi it hesitates when Assuming it's not your transmission. 1990 Chevy Cheyenne 350 sluggish performance, code 42 and 44 - Chevy Message Forum - Restoration and Repair Help. On hard acceleration it is bogging down like there is to much air, because sometimes it backfires. 350 TBI sluggish The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board Register or Log It works by the lack of acceleration, or tapping your brake when it's engaged - then, it disengages. 7l/350 air intake kits and get free shipping on. Excessive Oil Consumption. So, you need to test it with fittings to tee in the pressure gauge. I'm still testing yet, but overall a great product. 3 V8, Chevrolet, Cadillac, Buick, and GMC, 8 replies Lincoln Mark VIII hesitation, Ford and Lincoln, 8 replies Where can I find info on the 1988-1998 Chevy pickup truck V8 engines?, Automotive, 2 replies Fuel mileage Chevy pickup, Automotive, 4 replies. 3 Liter V8 Vortec 5300 engines were defective. EFI Complete TBI Fuel Injection Kit -For Stock Small Block Chevy 350 5. When I bought one when the engine was ready to go. 2003 Chevy 4. When its cold (as in first thing in the morning), it fires right up and high-idles for a few seconds and runs fine. you can see a flow of gas down the walls. Or a plugged exhaust. Probably air/fuel mix problem. My 89 parts p/u is a tbi with stick was thinking everything including wiring might be usable on the Cutlass. The timing, fuel delivery, even compression all checked out. at idle w/ no load the engine runs almost perfectly(has slight misfire). Model specific subject matter experts, classified ads and more. You need that extra power. 42 open, 94 Z71 Olds 350 TBI, burned to the ground, 2000 Dodge Dakota 5. 8l mpi 307 4 bbl Auto (10) Man (10) Auto (10) Man (10) Auto (10) Auto (10) Man (10) Auto w/OD Auto Auto. Official Chevrolet site: see Chevy cars, trucks, crossovers & SUVs - see photos/videos, find vehicles, compare competitors, build your own Chevy & more. Yes, on a two step this would be a very different thing. For me on a drag strip launch it is less than a tenth of a second. Chevy 350 Tbi Sluggish Acceleration In 2002, Chevrolet released a 35th-anniversary edition to mark 35 years of continuous Camaro production. Most Chevy's did not get gearing like this. 4 on pump gas. About Tbi Sluggish Acceleration Chevy 350. I have new plugs wires dist rotor coil ign module fuel filter air filter. I replaced the fuel pump-because it was bad in July. 73 gears on a 305. About Tbi Symptoms 350 Bad Distributor. My 89 Chevy C 1500 Silverado hesitates at throttle response I haven't been able to figure out what it is hoping somebody out there can help doesn't end drive. I have a 1989 gmc sierra with a 350 TBI. I gave it a tune up not to long ago so I know that's not the issue. Model specific subject matter experts, classified ads and more. I have most of the motor parts and fastburn heads are finished. About Tbi Sluggish Acceleration Chevy 350. After the first few seconds, its idles rough. Replaced: Distributor, Fuel pump, TPS, IAC, ignition coil, ESC, knock sensor, coolant temp sensor, O2 sensor, MAP sensor, ECM (reman). Re: 1990 chevy c1500 hesitation and stumbling during Based on what you said, I would say the engine is starving for fuel. By turning a knob, you can adjust when the fan turns on, from approximately 160 to 240 degrees. Truck recently had an exhaust manifold replaced. Chevy Truck Parts / Chevy Truck Engines / 1963 Chevy Truck / Chevy 4x4. In 1980 the 301 Pontiac was rated at 140 hp, the 305, 135 hp. 350 TBI sluggish The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board 350 TBI sluggish It works by the lack of acceleration,. Anyways when I try to accelerate it will hit 2000 rpm and not want to go any higher. If you want to keep the cruze control then skip this part. You know, to. Tbi Sluggish Chevy 350 Acceleration. Hesitates when Accelerating. I replaced the fuel pump-because it was bad in July. I have a 1989 gmc sierra with a 350 TBI. I have a 97 Suburban 5. Shocks / 1956 Chevy Snub Nose Truck / 1955 Chevy Truck Parts / 67-72. 1990 Chevy Cheyenne 350 sluggish performance, code 42 and 44 - Chevy Message Forum - Restoration and Repair Help. EFI Complete TBI Fuel Injection Kit -For Stock Small Block Chevy 350 5. 305 tpi 305 tpi 305 tbi 305 tbi 350 tpi 350 tpi 350 tpi 2. The computer has to be disabled to set timing - there should be a procedure for that. No warning signs at all. 9 swap, 2017 Dodge Challenger GT AWD Go Green 35 mpg Imperial. Mileage down from 13avg to around 8. This tech paper will discuss setting the timing on a Chevy V8. On hard acceleration it is bogging down like there is to much air, because sometimes it backfires. I have most of the motor parts and fastburn heads are finished. Chevy had the small block 400 also. 73 gears on a 305. You can actually see this if you look in the throttle body. Engine temps run 240+255 on a 90 degree day with 1,000 gal nurse trailer of 10-34-0 behind it. Chevy 350 Tbi Sluggish Acceleration In 2002, Chevrolet released a 35th-anniversary edition to mark 35 years of continuous Camaro production. In my case when the TB tried to slow down the gas flow after a hard acceleration it did so too aggressively and it killed the motor as I came to a stop. A used 350 stroker crank will be just that—used and, likely as not, used up. 14° idle and 35° at 3000 rpm. 4L TBI engines run too hot. Re: chevy 350 TBI idle Aug 23 2018, 9:09pm plugs are fairly new. (my non-expert description) It is designed for fuel savings by dropping RPMs when cruising. Diagnosing the issue can be narrowed down by whether the engine is still revving when you push the gas or not. However, a small percentage (about 10%) runs into this challenging gremlin. What Does P0171 Mean For Your Chevrolet? Combustion engines run most efficiently when they maintain an air-fuel mixture ratio of 14. I use to be able to take off quickly when I wanted to but now my acceleration is pretty slow. The mark at 36 degrees or so is just to verify that the centrifugal advance is correct. My 89 Chevy C 1500 Silverado hesitates at throttle response I haven't been able to figure out what it is hoping somebody out there can help doesn't end drive. Find chevrolet 5. Plus, it’s a lot easier to explain to the boss why you’re adding horsepower to a Chevy Silverado than it would be if you were modifying something else, like a 2-door compact car. I have a stumbling engine when my chevy shifts into over drive. How to solve engine hesitation and stumble problems on the 90+ By Steve Chong. 1988 K1500 350 TBI. Re: 1990 chevy c1500 hesitation and stumbling during Based on what you said, I would say the engine is starving for fuel. 42 rear end. When its cold (as in first thing in the morning), it fires right up and high-idles for a few seconds and runs fine. Re: I have a 1995 chevy k 1500 350 tbi it hesitates when… What kind of car is a 1994 Chevy k1500? Chevrolet K1500 4×4: i have a 1994 chevy k1500 5. An expert that got 10 achievements. I just went through some of your posts and found you have a 350 sbc engine, retarding it is the easiest thing in the world. 8l mpi 307 4 bbl Auto (10) Man (10) Auto (10) Man (10) Auto (10) Auto (10) Man (10) Auto w/OD Auto Auto. 70 Cutlass S, Forced Air 9 to 1 Olds 350, 214/214,. Answer (1 of 2): Probably a Tremec TR6060 :- Which is just about the strongest manual transmissions which have a 31 spline output shaft & are fitted behind the current Chevy V8 engines,the T56 Tremec which I have fitted behind the LS1 engine in my car would be strong enough :- The LS V8 types o. New with Taylor spiro pro wires. Or fuel pump. Tbi Sluggish Chevy 350 Acceleration. I just feel if your going to post a new cars are better you need to have every fact correct. Driving to work with no problems then about of the blue started making loud noise I can't described , but If I had to say A bunch of hammers hitting or banging around in a dryer. Chevy 350 Tbi Sluggish Acceleration In 2002, Chevrolet released a 35th-anniversary edition to mark 35 years of continuous Camaro production. Model specific subject matter experts, classified ads and more. Shocks / 1956 Chevy Snub Nose Truck / 1955 Chevy Truck Parts / 67-72. It is also not consistent in its stumble. I use to be able to take off quickly when I wanted to but now my acceleration is pretty slow. Diagnosing the issue can be narrowed down by whether the engine is still revving when you push the gas or not. This tech paper will discuss setting the timing on a Chevy V8. Acceleration would be close to the same once moving. you can see a flow of gas down the walls. This procedure also applies to other GM V8s. The lean condition can be caused by a vacuum. 78 open, 1988 Olds Cutlass Supreme Brougham , 73 Olds 350, 2004R, 3. Model specific subject matter experts, classified ads and more. And even if your Chevy has been well maintained or has super low miles, a little extra horsepower never hurt anyone. I've checked the timing and it's set at +2 degrees. However, a small percentage (about 10%) runs into this challenging gremlin. You will need to get a smaller air cleaner or just keep the riser and not lower the air. Might trigger knock sensor or lean fuel mix due to excessively lean mixture under acceleration. Or fuel pump. The Chevrolet 305 is a reliable, fuel efficient V8, easily capable of 200,000 miles, if maintained. When I bought one when the engine was ready to go. Trucks / Radiator 1972 Chevy Truck / 2009 Chevy Trucks / Rebates On. Most Chevy's did not get gearing like this. Chevy Forums FREE technical assistance for your restoration and repair. 1988-1999 Chevrolet & GMC C/K GMT400 Platform Sluggish Acceleration And Other Issues Something to remember is that the TBI 350's weren't all that powerful. I have a stumbling engine when my chevy shifts into over drive. Chevrolet Master. Unplug sensors and hoses. 56 gears!! Talk about a SLUG!) The same Cutlass would have 2. the motor had been swapped and almost all the vacuum lines were disconnected/ dry rotted. If you have access to a scan tool use a hook up for a 1990 350 cu. Tried to shift into gear and truck would die. 350 runs great at idle but bogs down during acceleration. Yes, on a two step this would be a very different thing. The procedure outlined here differs from the Service Manual, and is based on my years of experience doing this work in the quickest, least painful, most economical way while keeping the level of quality high. Will die on acceleration, and only restart with WOT. The wiring, and screen with the pump, in the tank. 1972 Chevy Nova - 12. (Granted, a friend of mine had a 82 Chevy B_Body wagon with 267, 2bbl, OD and 2. In my case when the TB tried to slow down the gas flow after a hard acceleration it did so too aggressively and it killed the motor as I came to a stop. 7 vortec that has been having a problem for about 6 months now. The engine struggles to keep it above 7-800 RPM. REBUILD KIT GM TBI 400 CROSS FIRE You may notice rough idling or slow acceleration. at idle w/ no load the engine runs almost perfectly(has slight misfire). If there is any problem with the pump, then there will be a problem in the fuel mixture during acceleration. Model specific subject matter experts, classified ads and more. Chevy When Down Bogs Accelerating Truck. 350 chevy - bored. 42 open, 94 Z71 Olds 350 TBI, burned to the ground, 2000 Dodge Dakota 5. Consult a service manual or see below for any check engine light code definitions. I've checked the timing and it's set at +2 degrees. Engine performance problem originally started out as horrific stumble with occasional backfire when giving throttle AFTER engine is at normal operating temp. 350 TBI sluggish The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board Register or Log It works by the lack of acceleration, or tapping your brake when it's engaged - then, it disengages. 1990 Chevy Cheyenne 350 sluggish performance, code 42 and 44 - Chevy Message Forum - Restoration and Repair Help. 75-inch stroke in a 350 is that it allows improvements to be made in other areas and, if not compromised (as is often the case) by too short a rod, proves to be the way to go when hopping up a 350 on a budget. That's a long story from when my project began. The truck starts and runs fine at highway speed but when accelerating, the truck. REBUILD KIT GM TBI 400 CROSS FIRE You may notice rough idling or slow acceleration. 350 runs great at idle but bogs down during acceleration. Most Chevy's did not get gearing like this. If you have access to a scan tool use a hook up for a 1990 350 cu. When there are more than 14. I have a 97 Suburban 5. Internally stock 1978 Chevy 350 with an Edelbrock manifold and carb and dual exhaust in my '53 Chevy. 9 swap, 2017 Dodge Challenger GT AWD Go Green 35 mpg Imperial. The procedure outlined here differs from the Service Manual, and is based on my years of experience doing this work in the quickest, least painful, most economical way while keeping the level of quality high. 3-liter V8 and 20-inch wheels on October 23, 2014. Quicker acceleration, smoother running, more power, the only thing I would ding it on is the better mpg part. I have an 87 R10 with a 350 TBI that's experiencing a loss of power when I try to accelerate. I have also experienced lack of low end power lately when I take off from a stop. Anyways when I try to accelerate it will hit 2000 rpm and not want to go any higher. I use to be able to take off quickly when I wanted to but now my acceleration is pretty slow. Plus, it’s a lot easier to explain to the boss why you’re adding horsepower to a Chevy Silverado than it would be if you were modifying something else, like a 2-door compact car. Engine temps run 240+255 on a 90 degree day with 1,000 gal nurse trailer of 10-34-0 behind it. Please research your Camaro. 7L Chevrolet truck. The lean condition can be caused by a vacuum. It died at a stop light. I gave it a tune up not to long ago so I know that's not the issue. Use the datalog Overlay to see how long you are actively adding acceleration enrichment. 78 open, 1988 Olds Cutlass Supreme Brougham , 73 Olds 350, 2004R, 3. Tbi Sluggish Chevy 350 Acceleration. In 1980 the 301 Pontiac was rated at 140 hp, the 305, 135 hp. 3 it is now sluggish and does not want to start what did I do wrong? Oven cleaner and pistons; I am replacing the gearbox I need to know what the replacement fluid capacity is for the power steering?. Replaced the engine and it starts and runs fine, until you drive it under load. 1990 Chevy Cheyenne 350 sluggish performance, code 42 and 44 - Chevy Message Forum - Restoration and Repair Help. for a GM TBI application to read the data, or to check for stored codes. Chevy Forums FREE technical assistance for your restoration and repair. 350 TBI sluggish The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board 350 TBI sluggish It works by the lack of acceleration,. So hence the 2. 42 rear end. You can actually see this if you look in the throttle body. 7 350 - New throttle body issues. After the first few seconds, its idles rough. I just went through some of your posts and found you have a 350 sbc engine, retarding it is the easiest thing in the world. 1988-1999 Chevrolet & GMC C/K GMT400 Platform ; 95 K1500 - Sluggish Acceleration And Other Issues Sign up for FREE! Become a GM-Trucks. Sounds like it could just be a timing needed. Chevrolet Master. I have most of the motor parts and fastburn heads are finished. The slow cranking and pinging tell me too far advanced. 4L TBI engines run too hot. Unplug sensors and hoses. Chevy Trucks / Front End On Chevy Trucks / 1970 Chevy Truck Rear Air. The engine struggles to keep it above 7-800 RPM. If not and if the pressure is low, the reason behind this could be either the fuel pump or the regulator. 350 chevy - bored. I have an 87 R10 with a 350 TBI that's experiencing a loss of power when I try to accelerate. Plus, it’s a lot easier to explain to the boss why you’re adding horsepower to a Chevy Silverado than it would be if you were modifying something else, like a 2-door compact car. Bore and stroke were 3. Chevrolet Forum - Chevy Enthusiasts Forums >Current Chevy Trucks, SUV's, Crossovers & Vans >Silverado & Fullsize Pick-ups >90 chevy 350 5. I have a 97 Suburban 5. When engine is cold will run smooth at idle AND when given throttle. I gave it a tune up not to long ago so I know that's not the issue. 350 TBI sluggish The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board 350 TBI sluggish It works by the lack of acceleration,. chevy 350 tbi timing specs. It will start easily but shakes and runs like crap. Please research your Camaro. 42 open, 94 Z71 Olds 350 TBI, burned to the ground, 2000 Dodge Dakota 5. Thanks for the tip! Need more power? Old Car Memories. EFI Complete TBI Fuel Injection Kit -For Stock Small Block Chevy 350 5. the i have a 1994 chevy k1500 5. Search: Chevy 350 Engine Bogs When Hitting Gas. I have also experienced lack of low end power lately when I take off from a stop. 3 V8, Chevrolet, Cadillac, Buick, and GMC, 8 replies Lincoln Mark VIII hesitation, Ford and Lincoln, 8 replies Where can I find info on the 1988-1998 Chevy pickup truck V8 engines?, Automotive, 2 replies Fuel mileage Chevy pickup, Automotive, 4 replies. And with that the Fuel Filter. A used 350 stroker crank will be just that—used and, likely as not, used up. The 305 felt more sluggish than the 350, and it also had an annoying hesitation when accelerating from a stop. Please research your Camaro. Re: 1990 chevy c1500 hesitation and stumbling during Based on what you said, I would say the engine is starving for fuel. Chevy Forums FREE technical assistance for your restoration and repair. Checked timing with auto advance unplugged and it is not @ TDC but about 4 deg advanced. I have an 87 R10 with a 350 TBI that's experiencing a loss of power when I try to accelerate. If press gas then wait 1/2-2 secs. 7L Chevrolet truck. When there are more than 14. If you have access to a scan tool use a hook up for a 1990 350 cu. You can actually see this if you look in the throttle body. i hooked them all back up because it had a rough start. Or fuel pump. Re: Sluggish, weak 350 tbi that no one can figure out « Reply #6 on: October 23, 2014, 10:07:11 AM » Disconnect the tan wire firewall where the brake booster meets the firewall, start engine, set to zero degrees, stop engine, re-connect wire. Had to replace the throttle body as the injectors were ripped out. This procedure also applies to other GM V8s. 305 tpi 305 tpi 305 tbi 305 tbi 350 tpi 350 tpi 350 tpi 2. I just feel if your going to post a new cars are better you need to have every fact correct. 93 Chevy K1500 Silverado V8 350 motor. 1988-1999 Chevrolet & GMC C/K GMT400 Platform Sluggish Acceleration And Other Issues Something to remember is that the TBI 350's weren't all that powerful. I bought the truck two weeks ago, drove it home from a neighboring city, two highway hours away, no problems. Please research your Camaro. Consult a service manual or see below for any check engine light code definitions. It died at a stop light. 1988-1999 Chevrolet & GMC C/K GMT400 Platform ; 95 K1500 - Sluggish Acceleration And Other Issues Sign up for FREE! Become a GM-Trucks. When engine gets up to temp. For me on a drag strip launch it is less than a tenth of a second. 1990 Chevy Cheyenne 350 sluggish performance, code 42 and 44 - Chevy Message Forum - Restoration and Repair Help. Chevy/GMC 1500 Pickup 5. About Tbi Sluggish Acceleration Chevy 350. However, a small percentage (about 10%) runs into this challenging gremlin. The lean condition can be caused by a vacuum. I would start with checking fuel pressure at the throttle body. Might trigger knock sensor or lean fuel mix due to excessively lean mixture under acceleration. Solving RF Interference Issues in Sniper Installations. 1990 Chevy Cheyenne 350 sluggish performance, code 42 and 44 - Chevy Message Forum - Restoration and Repair Help. Good luck! Carl. 1988 and 1989 Chevy K3500 pickups with 7. A used 350 stroker crank will be just that—used and, likely as not, used up. 73 gears on a 305. Consult a service manual or see below for any check engine light code definitions. GM dealer is stumped. Shocks / 1956 Chevy Snub Nose Truck / 1955 Chevy Truck Parts / 67-72. 93 Chevy K1500 Silverado V8 350 motor. com Member Today! Something to remember is that the TBI 350's weren't all that powerful anyway - but my truck certainly feels like it can definately get out of it's own way until I get to higher speeds. And also the throttle position sensor because for some odd. When its cold (as in first thing in the morning), it fires right up and high-idles for a few seconds and runs fine. 8l mpi 307 4 bbl Auto (10) Man (10) Auto (10) Man (10) Auto (10) Auto (10) Man (10) Auto w/OD Auto Auto. 350 runs great at idle but bogs down during acceleration. 1 - 17 of 17 Posts This kind of reminds me of mine which is a 92 chevy with a rebuilt 4. The fan clutch is a coupling device that is located between the water pump shaft and the fan. 7 350 Tbi Cold Air Intake - Chevy 350 5. About When Chevy Down Bogs Truck Accelerating. Chevrolet Code P0171 Definition System too lean (Bank 1). Both the TBI and Vortec engines used only two injectors to supply fuel ATK HP31 Chevy 350 87-95 TBI Base Engine 290HP, Call 866-721-2315 to Speak with an ATK Crate Engine Specialist Pictured is a TBI complete system for a 2bbl Chevy V8. Chevy Forums FREE technical assistance for your restoration and repair. take number 1 plug out, stick you finger in the hole and have someone bump the starter until the piston pushes you finger away, then turn the crank to top dead center and drop the distributor back in. Truck recently had an exhaust manifold replaced. Engine performance problem originally started out as horrific stumble with occasional backfire when giving throttle AFTER engine is at normal operating temp. Unplug sensors and hoses. An expert that got 10 achievements. at idle w/ no load the engine runs almost perfectly(has slight misfire). Re: I have a 1995 chevy k 1500 350 tbi it hesitates when… What kind of car is a 1994 Chevy k1500? Chevrolet K1500 4×4: i have a 1994 chevy k1500 5. A 350 should have more power than a little 307, so I'm sure with some tuning you can get yours running a little better. I have an 87 R10 with a 350 TBI that's experiencing a loss of power when I try to accelerate. I've checked the timing and it's set at +2 degrees. for a GM TBI application to read the data, or to check for stored codes. 3 Upon tear down to get the rebuild process going, I stupidly threw the original EGR valve away. This tech paper will discuss setting the timing on a Chevy V8. 4L TBI engines run too hot. Both the TBI and Vortec engines used only two injectors to supply fuel ATK HP31 Chevy 350 87-95 TBI Base Engine 290HP, Call 866-721-2315 to Speak with an ATK Crate Engine Specialist Pictured is a TBI complete system for a 2bbl Chevy V8. Quicker acceleration, smoother running, more power, the only thing I would ding it on is the better mpg part. We spoke with one Chevy customer, Nicholas Maratea, who purchased a 2014 Silverado High Country Crew Cab with the 5. for a GM TBI application to read the data, or to check for stored codes. About Tbi Sluggish Acceleration Chevy 350. What Does P0171 Mean For Your Chevrolet? Combustion engines run most efficiently when they maintain an air-fuel mixture ratio of 14. Hesitates when Accelerating. 1988-1999 Chevrolet & GMC C/K GMT400 Platform Sluggish Acceleration And Other Issues Something to remember is that the TBI 350's weren't all that powerful. If you are searching for Chevy 350 Tbi Bogs On Acceleration, simply will check out our information below :. I have new plugs wires dist rotor coil ign module fuel filter air filter. 7 350 - New throttle body issues. (Self chokes on extra fuel, until rpms start to rise) Ty new air filter. On hard acceleration it is bogging down like there is to much air, because sometimes it backfires. Tbi Sluggish Chevy 350 Acceleration. Chevrolet used the TPI system from 1985 until the introduction of the LT1 in 1992. 0 LPH: Volvo Penta 5. Created : 971013 Last updated: 981111 Editing notes for Andy Items to be bolded are starred. Chevy/GMC 1500 Pickup 5. Re: Sluggish, weak 350 tbi that no one can figure out « Reply #6 on: October 23, 2014, 10:07:11 AM » Disconnect the tan wire firewall where the brake booster meets the firewall, start engine, set to zero degrees, stop engine, re-connect wire. Chevy Forums FREE technical assistance for your restoration and repair. 030" over 11:1 compression L98 Aluminum heads 58cc Edelbrock Streetmaster intake. Chevy When Down Bogs Accelerating Truck. 3 Upon tear down to get the rebuild process going, I stupidly threw the original EGR valve away. Re: 1990 chevy c1500 hesitation and stumbling during Based on what you said, I would say the engine is starving for fuel. 97 chevy silverado, 5. The Fan Clutch allows the fan to operate at lower speeds and effectively detach at higher. The truck has the TH400 automatic transmission, without overdrive. 94 chevy k1500 350 tbi: in the morning when it is cold i It stayed cold for 2 days and I repeated this cycle, with it starting for maybe 5 seconds - every few hours. However, a small percentage (about 10%) runs into this challenging gremlin. And even if your Chevy has been well maintained or has super low miles, a little extra horsepower never hurt anyone. About Tbi Sluggish Acceleration Chevy 350. Turbo 350 trans and 3. For me on a drag strip launch it is less than a tenth of a second. Find chevrolet 5. 7 parts air to 1 part fuel. The following parts have been replaced: spark plugs, wires, fuel filter, distributor, cap, rotor, pick up coil, map sensor, throttle position sensor, and idle air control valve. Solution: The Chevy 350 TBI doesn't have a fuel pressure test port. Tried to shift into gear and truck would die. Probably air/fuel mix problem. 7 TBI stumble/dying on light acceleration. 3-liter V8 and 20-inch wheels on October 23, 2014. About Tbi Symptoms 350 Bad Distributor. 7L Chevrolet truck. Fired up again, had to floor the gas pedal to get it to start (new issue). In 1980 the 301 Pontiac was rated at 140 hp, the 305, 135 hp. 1 Gi - 496. I gave it a tune up not to long ago so I know that's not the issue. 0 LPH: Volvo Penta 5. About Tbi Sluggish Acceleration Chevy 350. There is no tach, but it seems like it's falling bellow 500 in drive and maybe sitting at 750ish in park. About Tbi Sluggish Acceleration Chevy 350. I have an 87 R10 with a 350 TBI that's experiencing a loss of power when I try to accelerate. Posted by Aldon (New Salem, ND) / August 06, 2020 2002 Chevy Silverado. Tbi Sluggish Chevy 350 Acceleration. 3 it is now sluggish and does not want to start what did I do wrong? Oven cleaner and pistons; I am replacing the gearbox I need to know what the replacement fluid capacity is for the power steering?. Or a plugged exhaust. If you have access to a scan tool use a hook up for a 1990 350 cu. Use the datalog Overlay to see how long you are actively adding acceleration enrichment. Running very rich, down on power. Re: Sluggish, weak 350 tbi that no one can figure out « Reply #6 on: October 23, 2014, 10:07:11 AM » Disconnect the tan wire firewall where the brake booster meets the firewall, start engine, set to zero degrees, stop engine, re-connect wire. 7l/350 air intake kits and get free shipping on. When its in gear at idle (like a. 7 350 Tbi Cold Air Intake - Chevy 350 5. 78 open, 1988 Olds Cutlass Supreme Brougham , 73 Olds 350, 2004R, 3. Find chevrolet 5. Answer (1 of 2): Probably a Tremec TR6060 :- Which is just about the strongest manual transmissions which have a 31 spline output shaft & are fitted behind the current Chevy V8 engines,the T56 Tremec which I have fitted behind the LS1 engine in my car would be strong enough :- The LS V8 types o. These number were closest to ford’s due to there engine war with each other. 1 Gi - 496. (I called several GM/Chevy Dealerships - but it was over the Thanksgiving Holiday and none could get me in). chevy 350 tbi timing specs. 97 chevy silverado, 5. Engine temps run 240+255 on a 90 degree day with 1,000 gal nurse trailer of 10-34-0 behind it. Re: Sluggish, weak 350 tbi that no one can figure out « Reply #6 on: October 23, 2014, 10:07:11 AM » Disconnect the tan wire firewall where the brake booster meets the firewall, start engine, set to zero degrees, stop engine, re-connect wire. 1988 and 1989 Chevy K3500 pickups with 7. The donor tbi 350 still runs but tranny missing 2 gears and it smokes alittle. Probably air/fuel mix problem. Chevy is going in an 84 Cutlass with a 4-speed stick conversion. Solving RF Interference Issues in Sniper Installations. 1990 Chevy Cheyenne 350 sluggish performance, code 42 and 44 - Chevy Message Forum - Restoration and Repair Help. Unplug sensors and hoses. Driving to work with no problems then about of the blue started making loud noise I can't described , but If I had to say A bunch of hammers hitting or banging around in a dryer. Model specific subject matter experts, classified ads and more. Chevy When Down Bogs Accelerating Truck. Find chevrolet 5. Low rise single plane Holley Truck avenger 670 cfm carb. My 89 Chevy C 1500 Silverado hesitates at throttle response I haven't been able to figure out what it is hoping somebody out there can help doesn't end drive. 1995 Chevy K1500 5. GM dealer is stumped. Answer (1 of 2): Probably a Tremec TR6060 :- Which is just about the strongest manual transmissions which have a 31 spline output shaft & are fitted behind the current Chevy V8 engines,the T56 Tremec which I have fitted behind the LS1 engine in my car would be strong enough :- The LS V8 types o. 1972 Chevy Nova - 12. So, you need to test it with fittings to tee in the pressure gauge. 3 Liter V8 Vortec 5300 engines were defective. A 350 should have more power than a little 307, so I'm sure with some tuning you can get yours running a little better. An expert that got 10 achievements. Engine performance problem originally started out as horrific stumble with occasional backfire when giving throttle AFTER engine is at normal operating temp. The fan clutch is designed to improve the vehicle’s cooling system efficiency while reducing the load on the engine and loss of energy caused by the fan itself. So loud beyond knocking. 1988 Chevy Truck rough throttle acceleration. Shocks / 1956 Chevy Snub Nose Truck / 1955 Chevy Truck Parts / 67-72. 3 engine manual trans. When there are more than 14. In 1980 the 301 Pontiac was rated at 140 hp, the 305, 135 hp. Yes, on a two step this would be a very different thing. 4 on pump gas. 2003 Chevy 4. 70 Cutlass S, Forced Air 9 to 1 Olds 350, 214/214,. the i have a 1994 chevy k1500 5. The fan clutch is a coupling device that is located between the water pump shaft and the fan. About Tbi Sluggish Acceleration Chevy 350. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. And also the throttle position sensor because for some odd. And even if your Chevy has been well maintained or has super low miles, a little extra horsepower never hurt anyone. The engine runs smooth at idle, no backfiring, no missing. 1988-1999 Chevrolet & GMC C/K GMT400 Platform ; 95 K1500 - Sluggish Acceleration And Other Issues Sign up for FREE! Become a GM-Trucks. In my experience the far majority of Sniper EFI customers never have a problem with radio frequency / electro-magnetic interference (RFI/EMI). (Self chokes on extra fuel, until rpms start to rise) Ty new air filter. Sounds like it could just be a timing needed. Re: I have a 1995 chevy k 1500 350 tbi it hesitates when Assuming it’s not your transmission. 3 it is now sluggish and does not want to start what did I do wrong? Oven cleaner and pistons; I am replacing the gearbox I need to know what the replacement fluid capacity is for the power steering?. 7l/350 air intake kits and get free shipping on. Re: I have a 1995 chevy k 1500 350 tbi it hesitates when Assuming it's not your transmission. 1988-1999 Chevrolet & GMC C/K GMT400 Platform Sluggish Acceleration And Other Issues Something to remember is that the TBI 350's weren't all that powerful. Tfx™ cold air intake kit, black tube, chevrolet/gmc 5. you can see a flow of gas down the walls. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. When its in gear at idle (like a. The timing, fuel delivery, even compression all checked out. 3 engine manual trans. The fuel supply and return nuts should be 5/8". So loud beyond knocking. 7l/350 air intake kits and get free shipping on. Went in fine today and she fired up great the first time. 78 open, 1988 Olds Cutlass Supreme Brougham , 73 Olds 350, 2004R, 3. 7 liter TBI engine - for Sale in Mankato : If you have the new nick williams 103mm throttle body, then you will need our throttle body adapter. The computer has to be disabled to set timing - there should be a procedure for that. Search: Chevy 350 Tbi Bogs On Acceleration. Remove the TBI, 13mm bolts 1 front 2 back. About When Chevy Down Bogs Truck Accelerating. The engine runs smooth at idle, no backfiring, no missing. About Tbi Sluggish Acceleration Chevy 350. 3-liter V8 and 20-inch wheels on October 23, 2014. I've replaced map sensor, tps, egr valve, engine coolant temp sensor, Ne. Plus, it’s a lot easier to explain to the boss why you’re adding horsepower to a Chevy Silverado than it would be if you were modifying something else, like a 2-door compact car. For me on a drag strip launch it is less than a tenth of a second. If not and if the pressure is low, the reason behind this could be either the fuel pump or the regulator. chevy 350 tbi timing specs. The computer has to be disabled to set timing - there should be a procedure for that. 73 gears on a 305. In my case this lasted too long. Chevy Trucks / Front End On Chevy Trucks / 1970 Chevy Truck Rear Air. Chevrolet used the TPI system from 1985 until the introduction of the LT1 in 1992. 1990 Chevy Cheyenne 350 sluggish performance, code 42 and 44 - Chevy Message Forum - Restoration and Repair Help. When its in gear at idle (like a.