Of the three 455 cubic inch V8 engines offered by General Motors in 1970, the Pontiac 455 took the most unusual route to the market. Unlike Oldsmobile and Buick, which had both big block and small block engines on the shelf, Pontiac had been developing the same eight-cylinder formula since 1955. Over time, it would gradually push displacement higher and higher until it stood alongside its corporate stable mates in terms of overall size, without necessarily adopting the ‘big block’ name… read more >
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