Originally Posted by smokey
Originally Posted by Spiky
i have 350
std comp, grp a head gasket.. t34 21 psi
for me to go to 400 i'd need soooooo much more boost, head ported, fuel pump, greys, live map
more bits too, like diff

bigger brakes,,lol
350 is VERY reliable at my spec, an to just get the extra 50bhp, i personally dont think it's worth it

Can you get a little bit more on std comp but using light blues?

yes u can, as u can run about 26psi, live mapped will give more power