I am currently building a new ls1 i have a 347 fogred short block 10:5 Compression i am planning on using a set of ported ls6 heads with .650 lift springs a cam with 577 lift exaust and 555 intake its the 283 gx cam from comp cam. i also have a port mass air flow with a custom ram air set up 42lbs injectors. I will use costem tunnig. Do you think that will be enoguh for 400hp to ground? Any suggestion would be great thanks

 

with a manual transmission, you should have no problem