No, not Corvette... Corvette used block 3731548 on the 1957 model, but
Chevy also used
it on many other applications; heads are not from a Corvette, but were
used on trucks and
full-size passenger cars. The clincher is that your block was assembled
by the Tonawanda NY
engine plant, but all Corvette engines were assembled by the Flint MI plant.
The "F" at the end of the date stamp would tell us more, but
unfortunately I don't have a guide that
includes that code.
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