Concerning the 348 engine option---what are the various engine codes for the 250,280,305 and 315 HP blocks? ALSO,,when were these higher compression engines available as options?


Asked by May 12, 2007 at 11:33 AM about the 1958 Chevrolet Impala

Question type: General

Were the 305 and 315 engines offered later in the model year???
Were the 250 and 280 engines also available later in the model year?

Other than the 11/1 compression,,,what made the 305 and 315 engines different from the 250 and 280 engines??

1 Answer


The 250 engine was, but the others weren't. I'm not sure about the engine codes.

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