1.80 60'. Mods are TEA Heads, TSP 233/239 112 Cam, Vararam Intake, 85mm MAF, YT UL RR's, Ported TB, LS6 Manifold, 58lb Injectors, U.D. Pulley, TSP 1 3/4 LT Headers, 3 H-Pipe, Z06 Ti Exhaust, DMH Cutou