tuned by Junior at The Shop.
cp pistons + rings
oem gaskets + arp head studs
heads pnp, supertech +0.5mm stainless valves, supertech valvetrain
cosworth 278/274 AVCS cams
gruppe-s uel header, custom 2.5" uppipe, custom 3" downpipe, qtp cutout, borla hush
gt35r .82ar T31 + tial 44mm ewg
pe 850s (maxed), perrin rails, dual walbros
openecu + UTEC SD + AVC-R
It made 505whp with the cutout open. On the first pull with the cutout open it was on its way to 520 and hit boost cut. With the cutout closed it made 490whp and peak tq was the same as with the cutout open. The fuel system is maxed out by 21-22psi.