The name Magnum on a MoPar engine almost always refers to the higher (est?) preformance engine option. In the 1974 Dodge police booklet, the 440 was the Magnum. It had several optional items in it that the stock 440s did not have. The most important of which was a forged, not cast, crankshaft. Most of the books will say that MoPar did not have forged cranks in 1974 cars, but the cop cars did (so did heavy duty trucks). Larry
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