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My srt4 is running 28 pounds at 430hp on e85. What plugs should I get, and what should I tap them at? Thanks
 

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Most guys wind up around .32-.33 w e85. It will depend on stock turbo or big turbo. Some have even dipped into the high 20's
 

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I made 1000 on NGK 4306 plugs so you will be fine , on your setup depending on weak
Your ignition system is it can vary from .026 to .032 but you want the largest gap at the end of the day !
 
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