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magnum engine question

3277 Views 7 Replies 6 Participants Last post by  dana44
hi there im wondering if there is a difference when mopar put the word magnum on the 1970 car. is just a name or was it actually a different engine.
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Magnum was a name to imply maximum power. Later, Magnum small blocks were actually modified block and head castings for smog reduction and added pwoer. Magnum small blocks have no mechanical fuel pump and have reverse flow cooling with a modified timing cover and different water pump housing. Magnum heads have rocker stands instead of rocker arm shafts, with oiling through the pushrods.
 
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