just put the sup on the dyno mods include .20 overbore wiseco all arp cometic gasket 550cc injectors vpc no afc yet full turbo back 3" precision front mount blitz blow off greddy ebc air fuel went sub 10s after 5600rpm so more tuning needed before that rock steady 11:1 end result 325whp and 394tq at the wheels! now we put the 67 back on :icon_bigg peak boost 18psi holding 15psi