both are to cold a plug for a basic stock setup u need al605's or 606 also read this http://www.grandprixforums.net/f81/s...car-17482.html study this.
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02-08-2010
both are to cold a plug for a basic stock setup u need al605's or 606 also read this http://www.grandprixforums.net/f81/s...car-17482.html study this.
02-08-2010
Thanks for your speedy response.Originally Posted by windycitygtp
Is it worth it to get the platinum plugs, or should I just stick with the copper?
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