how much boost

[silvershelby387]

i have an 86 s.c t1 how much boost can i run with no other changes.in other words if all i do is up the boost how high can i go before i run into problems.

[tvanlant]

Without intercooling or even fuel? Probably not very far. I think most people go about 12 psi max. I would definitely give it more fuel. Injectors are cheap.

[silvershelby387]

how much with 5 more psi fuel press(crush fp reg)also how much w t2 injectors and 5 more psi of fuel press.