You don't know crap about LS1 mine was 311rwhp stock, then 328rwhp with a lid and exhaust, then 350rwhp with LT headers, then 416rwhp with a big cam,pulley,ported TB and a safe tune.Originally Posted by cgEvan
You don't know crap about LS1 mine was 311rwhp stock, then 328rwhp with a lid and exhaust, then 350rwhp with LT headers, then 416rwhp with a big cam,pulley,ported TB and a safe tune.Originally Posted by cgEvan