Dodge Challenger Forums - View Single Post - Differential swapping
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Old 02-10-2010, 11:08 AM
73sixpack's Avatar
Join Date: Dec 2009
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I'm thinking the 3.64's out of a 4 speed auto car would be just about right for a kick out of the hole and still only be 2600 rpm at 70 mph. That makes it about the same in 5th overall as the stock 3.06 rear end with the trans. held in 4th, except for the extra dig getting going.
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