I have a gsr block with Rs machine Itr pistons with a stock b16 head with gsr cams, blox intake manifold and 68mm throttle body. i Playing on boostin it and making around 400 i will be on E85 and S300.. What you guys think chances are of it holding will be fully tuned.

 

On e85, why not!

 

yea on e85 its fine...people boost stock itrs no problem...and gsr heads have the better quench zones..

 

Cool thanks guys im going b16 head got a real good deal on a freshend up one.