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

yet another newbie question

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Old Jul 14, 2002 | 11:36 PM
  #1  
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Default yet another newbie question

What is the opti-spark (spelling??) and it only came on the LT1 correct??
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Old Jul 14, 2002 | 11:39 PM
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Default Re: yet another newbie question (Storz)

it was a new optical ignition system that GM put on the LT1 vette, as a replacement for the standard HEI distributor

only thing about them is that they cant get wet, at all
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Old Jul 15, 2002 | 12:05 AM
  #3  
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Default Re: yet another newbie question (vader86)

started in 1992, improved in '95. The '95-'96 had a vacuum line running to it to remove any moisture that would get in there.

It's really a neat piece of equipment, just expensive as hell and a pain to replace.
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Old Jul 15, 2002 | 01:07 AM
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Default Re: yet another newbie question (Mr Mojo)

I believe the LT-4's run the opti-spark system too. 84 CF 91 ZR-1 :cheers:
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Old Jul 15, 2002 | 05:43 AM
  #5  
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Default Re: yet another newbie question (vettl83)

and no timing adjustment too! makes life much easier, but indeed a pain to replace...
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