Anyone have experience with a roller valvetrain in their GN's ?
I was looking at it on the Comp Cams web site. Is it worhtwhile...good HP increase ? I believe its about 1,000 bones for the complete set...id prolly change my cam too if I was going to do it.....
I was looking at it on the Comp Cams web site. Is it worhtwhile...good HP increase ? I believe its about 1,000 bones for the complete set...id prolly change my cam too if I was going to do it.....