Stock heads, cam, and exhaust manifolds on mine. This is on a TTA. Around 27 psi on e85...at what boost to go 117mph and 122 .I was at 25 ,stock heads.
New heads and cam, Butt dyno shows inprovement
Ill start at 20 and work my way back up
Did not mean to hijack just was looking for info
grumpy can you elaborate on that 11.2 122 combo?thats pretty strong at 24 lbs and stock heads.