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A modified 440 magnum engine made by MoPar from 1969 to 1972. They took a stock 440, put on an Edelbrock aluminum intake, and stuck on 3 2-bbl. Holley carbs, among other, more minor things. One of the greatest muscle car engines of all time. Could compete with the 426 Hemi, the 428CJ, and the LS6 454. Rated at 390hp, 490ft-lbs.
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