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.040 is the tr55 ix .......060 the tr6ix I thought but may be wrong;, yup its .039 for the ngks, 5. 6, 7 anyway they do look unnaturally bent down compared to the sets I have replaced, and sometimes a wider gap is better for combustion but of course not too wide..
Anyway don't mess with the gap...lol and stock I think is .040 on the ac delcos. Damn thought we were at .060...LOL
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 2021 Wild Cherry ZL1 A10, Sunroof, Data, Carbon, Nav, RotoFab Dry CAI, Elite x2, Borla ATK, Driveshaft shop |