Which spark plug for stock LS1 with headers and tune?
11-22-2009, 05:09 PM
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Which spark plug for stock LS1 with headers and tune? '99 Corvette stock LS1. Just added a set of Kooks long tubes, straight pipes, LS6 intake and a Breathless CAI. What's the best choice for plugs? This is a dedicated road race car and I run the **** out of it.
