Stock 340X heads? 425HP, 430, (maybe 440) ft/lbs of torque. Ported: 460HP, 460-480 ft/lbs torque. All depends on the machining, balancing, assembly, initial and final tuning of ALL components together. Not much cr, but I'm wondering if it's EFFECTIVE or static measured cr.
"Stupidity is Ignorance on Steroids" "Yeah, it's hopped to over 160" (quote by Kowalski in the movie Vanishing Point 1970 - Cupid Productions)
