Here is my setup.

Wiesco forged 9:1 pistons
Eagle forged rods
custom ported head with 2.3 vin A exhaust cam
t3/t4 turbo
6" johnny racecar front mount intercooler
Apexi safc
255lph fuel pump
RC engineering 320cc injectors
Accel afpr

My horsepower goal is 275-300 eventually!!!
Here are my questions......
How much boost(psi) do I need to get there?
Are my injectors appropriate for that setup or should I go with the 550cc?
And what ratio fmu would be best?

your not gong to make that kinda power with 320cc injects

you will need about 17-18psi



1989 Turbo Trans Am #82, 2007 Cobalt SS G85

DSM 450cc injectors will provide you with 275 hp but i'd get some like 550cc's from RC Engineering. you'll have more room to grow and the ability to get a better tune.




I was a retard, and now I'm permanently banned.