which pre cups would be good for a mild to medium twin turbo intercooled 6.5 built for economy? Also what years did the 6.5s get roller cams?
Shane
which pre cups would be good for a mild to medium twin turbo intercooled 6.5 built for economy? Also what years did the 6.5s get roller cams?
Shane
Last edited by Chevrolet4x4s; 12-13-2007 at 21:37.