I had alot of full boost stumbling problems until I regapped my plugs to a smaller gap then .035 .. I put them to .032 and BINGO, done deal. I hope to open them back up when I get the HKS Twin but... Just a thought.
IZCC#204 Stage "Blah Blah Blah" Current Dyno 488hp/512ft lbs @ 5400 If it sounds like a lawnmower, it's most likely a Honduh. VTECH - TYPE R (bwahahaha)