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Originally Posted by Tru2Chevy
Also, on an LT1 car the disributor and opti-spark are the same thing. Classic case of Autozone idiots....
- Justin
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as far as i was told u cant really tell if its the plugs or opti, so replace the cheaper one first. Does the car run like crap now? if it doesnt just erase the code and see if it comes back. how many miles on the car and when was the last time u changed opti plug and wires?