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Rear End Behind Modern Hemi

1969VADart

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So I may be leaning towards putting one of the 6.1 Hemi's in my Challenger. It is going to be mated up to a 727 transmission. My question is, what would be a good rear end gear (ratio) to put behind the new Hemi? Any recommendations that you guys who have already made this swap have? Or just recommendations in general. Thanks.
 

mmissile

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With a standard TF....it would probably be pretty close to what you'd do with any 500hp old engine. Gear for your intended use.
 
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