93 optispark replacement
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Registered User
Joined: May 1999
Posts: 46
From: northern indiana, near chicago
93 optispark replacement
i am replacing the optispark on my 93 ta. need info on what brand to use and for what year is best, what is with the vented for the later years and does a 93 optispark only fit on a 93?
Registered User
Joined: Mar 2006
Posts: 43
From: Pasadena,MD
The 92-94 lt1 engines were non-vented. 1995+ had the vented opti. Go to http://para.noid.org/~muttvette/opti.html to see about the conversion to vented. And if you replace just go with GM brand.
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Dan_the_ManZ28
LT1 Based Engine Tech
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Feb 21, 2015 02:01 PM