1974 Duster. 360, 727 with Cheetah reverse valve body, 4000 stallconverter, 8 3/4 rear with 4.30 gear, positraction. Block waspurchased new in 94, stock bore, KB pistons, approximately 11:1compression. Heads were ported, milled to square, new valve seals,bronze guides, double springs, and has...