Ford’s 427 Cammer challenged Chrysler’s 426 Hemi and the Hemi prevailed. Both were winners, however!
Chrysler’s Hemi is a study in evolution, starting life in the 1950s, emerging in the 1960s as a hard to beat powerplant on drag strips, NASCAR ovals and in Street trim. It continued for decades, adding new levels of sophistication and still available. Ford was the challenger with a complex, powerful overhead cam 427. While engineered to beat the Hemis in NASCAR, it earned its cred on the q...
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A/FX
CHEVY RPO Z-11 427: THE 409 GROWS UP!
A lack of official racing programs at Chevrolet forced Z-11 Chevys from NHRA S/S to A/FX, making them less competitive. Most ended up being match raced.
The handwriting was on the wall in 1962: Chevrolet was in for big trouble on drag strips in 1963. While its 409-inch update of the W-Series 348 held its ground in 1962, Pontiac, Dodge Plymouth and Ford were readying serious assaults the following year that Chevrolet would not be ready for. Enter RPO Z-11, a much-improved 427-inch W-style m...
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