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Wrench I don't know what sort of DT466 you have had experience with but all of the ones I have had experience with don't even start to pull until at least 1800 RPM and govern out at 2600 RPM.
And yes there are overdrive automatics available for DT466 engines. In the new Allison World Transmissions the top two gears are overdrive. They probably would not be a good choice for converting to however since the electronic package has to mate up with an electronically conrtolled engine to work properly. If you have a newer DT466E it will work super with a World Trans.
One of the really nice things about the way the DT466 is put together is you can run around with your foot flat on the floor all day long and not hurt them. The governor, if it is set correctly, will let you cruise at max RPM without causing the engine any harm. Fuel mileage is better if you keep the RPM's down around 2300-2400 RPM instead of 2600.
One caveat about running hard, never shut the engine down without giving it a chance to cool down for at least 3 minutes. If you don't you will heat soak the turbo bearings and the turbo will be history in a very short time.
It is too bad you already purchased new tires. Switching out your 9:00X20/10X22.5 tires to 11X24.5 tires would have changed your top speed by 5-10 MPH.
Good luck and happy trails.
Mark O. |
RV and bus conversion info since 1996.
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