I have a 280CE that I put a turbo diesel in, and I left the 3.58 rearend in. But then I have a 5 speed in it, so when on the highway, the overdrive kicks in and lowers the RPM's to a comfortable level

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Von
Fairport, NY
1973 Unimog 416 Doka
1980 Unimog 416 Doka
1981 Unimog 416 Doka
1984 Euro 280CE w/diesel conversion
1985 300TD Estate wagon
(I really need to stop buying these things!)
http://vonsmog.com