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Old 11-07-2018, 09:55 PM   #7
1972RedNeck
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Join Date: Jan 2011
Location: Townsend MT
Posts: 1,725
Re: Cannot decide on trans, been a while

Personally not the biggest fan of the NV4500 due to the 5th gear setup. That, and once you start pushing 800+ ft lbs of torque, 3rd gear can do a good job of shredding teeth. If you have an NV4500, I would use it, but if you have to buy a tranny, I would look into the Spicer 3053a. A fair bit stronger, much cheaper, and it will bolt to your engine if you source the right parts from a C60 or the like and allow you to run a bigger clutch.

Only downside is that O/D is only .85:1 vs the NV4500's .73:1, but that could actually be better with the Gear Vendors as then you would have 2 different overdrive ratios instead of two similar ones (i.e. more usable gears). Gear spacing is also wider (presuming you have a post '94 NV4500) which would be a plus so long as you have the Gear Vendors.
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