13's, stock '71 318 short block.

My Duster with a bone stock '79 - 318 and LU 904 with 3.21 suregrip on stock tires ran a 15.14 with nothing more than bolt on's and a small Crane cam. 272/284 (216/228 @ 050 ) .454/.480 lift on a 112 c-line, LD4B, 625 Carter, MP unsilnced air cleaner, hooker headers into a Jegs 2-1/2 exhaust to the bumper, electric fan.

no shift kit, no porting, OE valves in the stock head, stock pistons, stock stock stock