Thread: Spark Plug ? ZL1 575 rwhp
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Old 09-10-2014, 09:58 PM   #15
ZO6 Bryan

 
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Drives: 02 Z06, 95 Trans Am, 2012 ZL1
Join Date: Mar 2012
Location: Southeast
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Quote:
Originally Posted by MaxxMuscle View Post
Sould u also change the plug wires if u go with the Iridium TR7IX ?
No, the GM plug wires are very good in themselves. Not unless they are old and failing, which none of these cars are that old yet.
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