wow... my stocker @ 525rpm idles harder than that! Originally Posted by Quik disconnect the one bank of coils. it will chop hard i've had to drive with a plug wire off before. that was pretty cam-ish, too
00 FRC - just top end, exhaust, and a hot-air intake 99 Sierra - 5.3 / 5spd ↓ click the pic for the build ↓
well i got a retune on the way lowered the rpms a bit see if that helps.... im also prob gunna try to get a diffrent muffler as well
Built 2 Run! 6XX HP/ 6XX TQ
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