C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Jul 28, 2009 | 07:42 PM
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skylift's Avatar
skylift
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I have a L98 89 roadster, It has 49,000 miles on it. I have messed with different grades of fuel from 89-94 octane. I have notices on a cold start ir will pop on an acceleration. After it warms up it is fine. I have replaced the co sensor, and it is in time. The air cleaner is a K & N and it was cleaned 2500 miles ago. The plugs and wires are 5000 miles old.

Any thoughts?

Not getting a lot of responses. Can anyone give additional input. The exhaust is tight and new. I do not see any injectors leaks

Last edited by skylift; Jul 30, 2009 at 08:36 PM.
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Old Jul 28, 2009 | 09:28 PM
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maybe fuel injector leak, or exhaust leak.
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