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1964 426 race hemi

Heimedw

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Just curious if anyone knows the original cam specs for the 1964 426 race hemi? I have tried to find the info on the web but can't find the numbers. They always said they were in the 650 to 750hp range.
 
426 Hemi Camshaft Specs

1964-1965 “Track” 426ci Hemi: Solid cam with 312 degrees of duration and .540-inch lift.

1964 “Drag” 426ci Hemi: Solid cam with 300 degrees of duration and .520-inch lift.

1965 “Drag” 426ci Hemi: Solid cam with 312 degrees of duration and .540-inch lift.

1966 “Track” 426ci Hemi: Solid cam with 328 degrees of duration and .565-inch lift.

1966 “Street” 426ci Hemi: Solid cam with 276 degrees of duration and .480-inch lift (intake) / .460-inch lift (exhaust).
 
312 degrees would be 257 at fifty roughly?
 
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