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Showing results for tags '403 motor'.
MY SITUATION: I recently bought a 1966 Cutlass Covertible for a driver, not a show car; I can't sit still long enough for shows. This 66 cutlass came to me with a mid 70's (1974 I think) 403 motor installed that runs quite nicely. It seems well suited to the transmission, is pretty easy on gas, starts every time, and happily burns today's junk gas without complaint. MY PROBLEM: I do notice that the motor torques up when I accelerate quickly, so I am going to assume I have a motor mount problem. MY STUPID QUESTION IS: Assuming the mounts weren't properly installed by the previous owner, should