GMC's Big-Block 478 V6 If you're interested in engines, especially big-power American engines, you likely know the term "big block" as it relates to muscle cars and especially V8 engines.

V8s get all the attention, but the 60° V6 was a General Motors mainstay for decades. Check out the Pontiacs that made the ...

Therefore, creating engines of ever-growing displacements ... While the connecting rods remained the same across each variant ...