These engines had a 9.4:1 compression ratio and ... The only major common parts shared by the L36 and L67 are the block and crank. As compiled by the Buick 3800 V6 experts at ZZPerformance.com ...

The standard ‘67 Firebird engine was a 230 ... A bigger block V8 of 400 cubic inches (6.6 Liters), was available in two versions: the W66 and the L67 Ram Air. The W66 came with a two-barrel ...

But hear me out. To begin with, the L67 engine packs a punch conservatively rated at 240 horsepower—that’s 328i levels of power. And it’s easy to tune it for more—much more. There are ...