Well my friend is looking to build his GSR. here are his plans:::
skunk2 stage 2 cams
omni power springs and retainers
STR cam gears
ARP rod bolts
USDM ITR .25 over pistons and rings
bottom end gasket kit
tope end gasket kit
timing belt/water pump/ITR oil pump
walbro 255 intank pump
B & M FPR
new OEM main and rod bearings

question is will this setup be able to be tuned well enough without problems with a VAFC2

alreeady have a header and skunk2 intake manifold
and ITR ecu