Chevrolet 409 V8: What Made It So Special, And Why Are They So Rare?
but it technically was not a 409. A special version, made especially for drag racing, increased the stroke of the 409 V8 by ...
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The Rarest Chevrolet Engine Ever Produced
The Z11 V8 was a powerful drag racing engine based on enhancements made to the 409 ci V8, with output between 480-525 HP. The ZL1 V8 was another rare Chevrolet engine, producing around 550 HP and ...