In 1966 Chevrolet offered a full range of 396 cubic inch 'Porcupine Head' engines in the mid-size Chevelle line. With up to 375 bhp, the SS 396 put real power into the line that has come to epitomize Chevy's muscle car heritage. Dubbed 'Porcupine Head' because of its different stem angles for intake and ...
In 1966 Chevrolet offered a full range of 396 cubic inch 'Porcupine Head' engines in the mid-size Chevelle line. With up to 375 bhp, the SS 396 put real power into the line that has come to epitomize Chevy's muscle car heritage. Dubbed 'Porcupine Head' because of its different stem angles for intake and ...
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