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Platinum CTS-V
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145 Posts
Discussion Starter #1
I just put a bottle in my V, I have a friend that uses 2° cooler spark plugs in his LS1 with NOS. Should I do the same to be safe?
 

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07 CTS-V FG2 & 07 SRX
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207 Posts
wondering the same. i thought that factory ls2 equipped motors used iridium plugs factory. although i am not sure how the higher compression might effect a nos system.
 
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