from what i read is at 9-0-1 mapped correctly they are upto 350bhp

but i guess 300bhp would be a safe limit

karlos for him it would work well then, but for anyone else they might aswell fit a blacktop.........

my gotech has the stuff to activate vvt already done so im thinking of building a st170 engine with forged pistons and rods and decent valve springs as a later swap when i get bored........

sitech says the vvt and turbo is awesome