It has a 318. The bottom end is stock. I have an ld 340 intake manifold and a carter avs 4 barrel. TTI long tube headers and 2 1/2" exhaust. 904 torqueflight. 8 3/4 rear with sure grip 3.55's. Just put new leaf springs, hangers, shackles, and a rear sway bar on it. Also a front sway bar, all...