cucvrus
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WOW times have changed. Back in the mid 90's I sold every TH400 I could get and people were throwing the 700R on the core pile. The TH400 is one of the toughest transmissions out there. When they added the OD to the mix that was always an issue. Maybe just changing from the 4:56 gears to some 3:73 gears is the least amount of out of pocket money and getting the best bang for the buck. I would do the gear change. Mr. Rusty still plows snow up hill on a mountain and drives 70 - 75 on the highway with no issues. Just a thought and an attempt to save you some cash. These CUCV trucks are never going to be highway cruisers and comfortable. That was never the intent. They are a utilitarian HD vehicle that was built with off the shelf HD stock parts. Good Luck.
Mr. Rusty was once a very nice 1984 M1028. The years and use have not been kind to it. It has 37K original miles on it and is still going every year.
![DSCF3677Rusty.jpg DSCF3677Rusty.jpg](https://www.steelsoldiers.com/data/attachments/591/591372-28451fc78e819338843f2322784e2605.jpg)