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Old Mar 10, 2008, 09:07 AM
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spark plug gap
i have a stock evo 8 pushing 15psi of boost and i recently bought NGK BPR7ES spark plugs and i was wondering what is the proper gap for the plugs? thanks
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Old Mar 10, 2008, 09:09 AM
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Originally Posted by evilevo2003
i have a stock evo 8 pushing 15psi of boost and i recently bought NGK BPR7ES spark plugs and i was wondering what is the proper gap for the plugs? thanks
15 psi? y so low?

well i would set them at like .028"-.024" depending on boost levels. the higher the boost, the smaller the gap.
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Old Mar 10, 2008, 09:11 AM
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well thats wat it was set on when i got it wats the most boost i can run stock like with a mbc
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Old Mar 10, 2008, 11:13 AM
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Id say 19-20psi would be good to go.
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