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

96 Lt4 Mystery

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Old May 14, 2018 | 10:44 PM
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MikieG1971
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Mechanic said it didnt look all that old. He said even the timing mark on the balancer looked firly feesh.
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Old May 15, 2018 | 09:32 AM
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Thanks! I've always got my eyes on potential problems on my '96, so when the time comes I have some go-to ideas, plus the forum. I've got 24k, but if time is a factor as well as miles, it'll be hard to be sure if/when I have an opti issue.
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Old May 15, 2018 | 09:19 PM
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Originally Posted by MikieG1971
Drum roll please.... But first. This thread had alot of great advice. Last year my other 96 died. Turned out to be ICM. This one.... wait for it...
Opti spark!!!
My son is just amazed by the smooth power of the LT4 now!
who told you it was optispark and not fuel pressure ?
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Old May 15, 2018 | 11:54 PM
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The guy who installed the new opti sparkand wter pump.
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