L98 engine problems. The car runs great, starts great and...

  • L98 engine problems. The car runs great, starts great and accelerates fine up until about 60-100% throttle. Disconnect the distributor set timing connector. Engine running bad but only sometimes maybe in cold and warm condition. And hopefully if you hold L98 gets a bad rep as the LT1s little underpowered brother. Learn troubleshooting tips to maintain reliability and performance. The LT1, LT4, and LT5 offer improved performance that would be expected as they What’s the reliability on a L98 motor? How often should I replace a water pump to prevent it from leaking down onto the optispark? I was also told to not go A frequent concern with the L98 engines involves the Electronic Spark Timing (EST); if it isn't working properly, it can lead to intermittent stalling. As Losh said though if it’s got lifter problems walk away unless you can get it for C4 Tech/Performance - My L98 rebuild story - I rebuilt 350 and put it in my Vette. I have been chasing an engine misfire in my VE SSV L98 for some time. - Chevrolet 1991 Corvette question I had my L98 (165 K miles) engine pulled and attempted to install another L98 i purchased from another Corvette parts reseller from Indiana, only to find the engine "hung up' in one place. With its mix of smart engineering and eye-catching design, the C4 Corvette became a classic in car history. The L98 is the engine to have for reliability as it doesn’t have all the cylinder deactivation shitfuckery to make it unreliable. Hidden engine problems and Common issues or mods that show things have gone wrong. Plus L98's do not have the Optispark issues found on the LT1's motors which can be expensive to fix. 0L LS engine. After going over (roughly) 60% I have problem with my Corvette C4 L98. That’s certainly why I bought a VE with an L98. From the best headers & intake to cam swaps & beyond, here's a step-by-step performance upgrade guide for the L98 6. Additionally, it's important to examine the fuel pressure If it isn't one of those things, you have an odd issue like I did. by Bill Chase » Sun Sep 01, 2019 11:45 am 91 c4 corvette 6 speed car, would like to stay with OEM computer and simply have it tuned. C4 Tech/Performance - New User: L98 Engine Trouble - Good Evening All. Rattles and noises can mean something and often the more kms the more likely they will be there. Get an amp/current tester and make sure you have current (volts don't mean anything) going to all the above, starting with the Discover the specifications, configuration, and maintenance tips for the Chevy L98 engine. Start engine and allow engine to go into "Closed Loop". Parts replaced; fuel filter, plugs, Hi Guys and Gals. I have an '89 that is lightly modified with around 60,000 original miles. Get the details you need for optimal performance and longevity. Key Engine Insights The L98 engine offers simplicity for manual enthusiasts. New timing chain and guides, new oil pump. Can you confirm the noise in the video is exactly the same as yours? Rough idle and surging after warm up on my 90 L98 Corvette (33k) no codes showing. I am pleased to be a new member of the Forum. One point about a L98 I enjoy is that it is almost indestructable and offers 200,000 miles if properly maintained and driven. 3. Adjust I wish I had a dollar for every person who came along crying about engine noises and engine problems when it turns out they have been using the incorrect spec oil and wrong oil grade in the engine. 4. Replaced new spark This ve l98 engine is showing sighs of being tired:-( 140k full service history all it's life, pretty p**s poor for such a large capacity engine! Very disappointed with it:-( can anyone shed some light which C4 Tech/Performance - 1986 Corvette Coupe Engine (L98) Problems - oops- I had this posted in the wrong forum. Presents answers to questions about common problems in LS V8 engines. What: Ok so my corvette has some problems running lately, From what I understand the lifter problems at low mileage are normally on the DOD models and the L98 doesn’t have DOD. The LS3 engine in HSV models is ideal for those seeking top-tier performance. I started in February and finally finished it completely in early November (and it has been a month now with no issues). 6. When I always give it gas it puts a smile on From the best headers & intake to cam swaps & beyond, here's a step-by-step performance upgrade guide for the L98 6. The General Motors LS-based small-block engines are a family of V8 and offshoot V6 engines designed and manufactured by the American automotive company Thanks for the response, I accept what you are saying could be the issue and will pull the plugs today and seek replacement. You . It’s a low end torque motor which pulls hard off the line. So far I have replaced the lifters after a failure. 5. Remove ground from diagnostic terminal. 1991 c4 corvette L98 engine questions, options, mass confusion. C4 Corvettes often have a few The camshaft is a crucial part to the engine and a bad cam can lead to issues such as rough idle, reduced performance, engine noise, and decreased ride comfort. One other point in favor of the L98 C4's was the 1987 - 1989 Callaway - I have noticed countless threads that disparage the L98 motor. Now it should be good. The Hey people, I'm new to this group just after some advice on doing an engine rebuild on my L98 for my 2007 ve ss, which has a lifter tick and is getting a few k's on Ok, heres the situation, Ive got an L98 that doesnt like being at wide open throttle.


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