Ben Darnell........Darrell Winterfeldt, who is a real pro on Toronado =
engines prefers 68 to 70 engines marked F, FO, FOO, F1 or F2 because =
these all use steel crankshafts rather than modular steel. The casting =
marks are on the back of the engine. Preferred cylinder heads ar 70 to =
76 with casting letters K or J with G for hi-pro rebuilding. All of =
these have hardened valve seats.
Jim Davis
engines prefers 68 to 70 engines marked F, FO, FOO, F1 or F2 because =
these all use steel crankshafts rather than modular steel. The casting =
marks are on the back of the engine. Preferred cylinder heads ar 70 to =
76 with casting letters K or J with G for hi-pro rebuilding. All of =
these have hardened valve seats.
Jim Davis