In this day in age, GM realized it needs to be clever if it wants its V8 to last long after the iconic Hemi engine dies out.

There is a range of common adjectives that come to mind when we think of V12 engines. "Smooth" is one, evidenced by engines like the V12 that powers the ultra-luxe Rolls-Royce Cullinan Series II.

Brian Tooley Racing offers CNC-machined LT1 and L8T short blocks rated from 1,000 to 1,500 HP — a turnkey alternative to the ...