I ran a 440 in my 67 Coupe for a couple of years. 67 440 with a TM7, Big Headers, stock insides. 4 speed with a 4.88 Dana. Had a 6 point cage, frame connectors, super stock 002/003 springs. Fiberglass hood and trunk lid. 13X32X15 Goodyears. Ran 11.50's all day long. Motor was STOCK.