Antykas Posted April 25, 2020 Share Posted April 25, 2020 I have an engine, cast # 577476-4 1/8, # on head "looks like" C 15154, 371? cu. in., year?, that's not much good. It came out of a car with a standard tranny having a pilot bearing drilled out. I would like to replace it with a 63 Starfire 394 that had an automatic. Can I just swap the cranks with no problems? Or do I have to drill out the 1963 crank. Thanks. Link to comment Share on other sites More sharing options...
PONTIAC1953 Posted April 25, 2020 Share Posted April 25, 2020 6 hours ago, Antykas said: I have an engine, cast # 577476-4 1/8, # on head "looks like" C 15154, 371? cu. in., year?, that's not much good. It came out of a car with a standard tranny having a pilot bearing drilled out. I would like to replace it with a 63 Starfire 394 that had an automatic. Can I just swap the cranks with no problems? Or do I have to drill out the 1963 crank. Thanks. i would advise having the 394 crank drilled for the pilot shaft bearing. Link to comment Share on other sites More sharing options...
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