Quote:
Originally Posted by LT1-DAN  In the Summit advertisement they say this kit will make 515 hp. with 10.5 compression. My question a stock LS1 is not 10.5 compression is it?? |
No, but it will be if the heads they provide are milled correctly. My track partner just installed a 228/230 cam and ported LS6 heads on his 02 Z06 and it dynoed 421 RWHP on a Mustang Dyno. That car also has Dynatech long tubes.