 Produced from 1977 through 1981, these engines had the distinction of being the last V8s produced by Pontiac; GM merged its various brands' engines into one collectively shared group in 1980, entitled General Motors Powertrain.The 301 had a bore and stroke, identical to the vaunted Chevrolet small-block engine and Ford Boss 302 engine.Pontiac engines were not available in Canada, however, but were replaced with Chevrolet engines of similar size and power, resulting in such models as the Beaumont SD-396 with a Chevrolet big-block 396 cubic inch V8.