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Old March 25th, 2012, 08:31 AM   #2
4Bangler
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It won't be an SM465...that's a GM trans. Probably an NP435.

The HP44 front and 30 spline LP60 rear should have ratio tags on them, a little wire brush work and they might be legible, or you can pull a cover and be sure, it's just a little gearlube and RTV. If I had to guess, I'd go with 4.11:1 or 3.54:1
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