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Old 06-23-2012, 08:22 PM   #98 (permalink)
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Originally Posted by skyking View Post
US gear is a 0.80 OD ratio.
Or if you get a UD, it would be a 1.25.
So a .80 OD on a 4.10 would be 3.28. Based on other vehicles I've installed overdrives on, I think that might be too much of a drop. I think somewhere in the 3.5 to 3.8 range would be ideal. I need to talk to some more diesel people, I don't know. Thanks for the numbers.
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