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View Full Version : Opti-spark, what is it and why does it suck?


badass88gt
05-09-2008, 04:21 AM
Just like it says, whats the story with the Opti-spark on LT1 cars?
badass88gt
05-09-2008, 05:11 AM
Found it.

http://www.lt1howto.com/articles/optisparkfaq.htm