This is the largest big block production engine ever produced by Chevrolet, and it seems unlikely that it’ll ever be usurped in the future given the fact that so much attention is now focussed on smaller, more efficient engines, and electric powertrains.
The first big block had a displacement of just 348 cubic inches (5.7 liters), two cubic inches smaller than the later 350 cubic inch small block, but still significantly larger than the 265 cubic inches (4.3 liters) that the small block had started out with in ’55.
Though originally intended for commercial truck and bus applications, the Chevrolet big block V8 would soon find favor with many in the world of motorsport, particularly in drag racing where cubic inches are king.
The 427 cubic inch (7.0 liter) big block V8 would be used extensively in different forms in both NASCAR and drag racing. The all-aluminum 1969 ZL1 version of the 427 engine would be used with much success by the McLaren team in the hotly contested world of Can-Am racing.
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