96 Lt4 Mystery

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05-14-2018, 10:44 PM

#21

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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SR71! (05-15-2018)

05-15-2018, 09:32 AM

#22

SR71!

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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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05-15-2018, 09:19 PM

#23

dizwiz24

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Quote:

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 ?