serial numbers
a later engine???
It would be next to impossible to tell if you had a later short block. But the NA S4 long block would have mechanical OMP, and a finned Dynamic surge tank, as easy to see differences.
It would be next to impossible to tell if you had a later short block. But the NA S4 long block would have mechanical OMP, and a finned Dynamic surge tank, as easy to see differences.
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