The standard ‘67 Firebird engine was a 230 cubic inch ... the W66 and the L67 Ram Air. The W66 came with a two-barrel carburetor and 285 horsepower. The range-topping L67 Ram Air boasted ...

The 1967 Pontiac Firebird represents ... Air induction hood scoop, plus high-output cam and valve springs. Its output was 325 horsepower. The 400 Ram Air was the rarest of the '67 engines, with ...

Some five months later, Pontiac jumped on the bandwagon with the Firebird ... just as stunning under the hood. And while some examples have lost their original Ram Air IV mills, this Pontiac ...