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Provided by a Chrysler employee who shall remain nameless - we don't know his name!
Peak horsepower across both tests was 289, not bad for a 1959 engine; corrected horsepower reached 303 hp at 4,400 rpm, while corrected torque reached a whopping 464 lb-ft at a mere 3,000 rpm. The final 1960 413 engine produced 375 horsepower and 495 lb-ft of torque.
Our source wrote: “the dyno tests were conducted in cells 12 and 13 of Building 135 in the old Highland Park complex.” The test sheets were found nearby, apparently discarded.
The cross-ram wedge (or “long ram”) V8 engines were used in the 1960-61 cars, and are not the same as the later Max Wedge (thanks, John Veach).
426 Hemi Dyno Test Sheet
Main Max Wedge Page | Mopar Engines Page
(Also check out our history of the RB series engines)
Copyright © 1998 Steve Boelhouwer
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