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Old 06-11-2018, 12:08 PM   #1
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2001 Amtran DT466E/MT643

Just a general question, I have a 2001 Amtran 3800 w/DT466E/MT643 Trans, roughly what should the RPM's run @60 mph, I know it depends on rear axle, just generally what is everyone else's bus run? mine runs 2200 @60 mph, down hill with a tail wind. Can the speed limiter be taken off? Thanks
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Old 06-11-2018, 12:20 PM   #2
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Just a general question, I have a 2001 Amtran 3800 w/DT466E/MT643 Trans, roughly what should the RPM's run @60 mph, I know it depends on rear axle, just generally what is everyone else's bus run? mine runs 2200 @60 mph, down hill with a tail wind. Can the speed limiter be taken off? Thanks
Mine had 4.44 rear gears and 295/75r22.5's. At 63 mph it was pretty much at 2400-2600. 2600 is redline.
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Old 06-11-2018, 12:57 PM   #3
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Do you have the MT643?
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Old 06-11-2018, 04:32 PM   #4
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Do you have the MT643?
In said bus, yes. 195 HP DT466. 1992 Ward Senator 40' FE bus.
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Old 06-11-2018, 04:59 PM   #5
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I have the 195hp DT466E with MT643 and my max is 65 @ 2600 rpm. Cant remember my ratio at the moment
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Old 06-11-2018, 05:22 PM   #6
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I have the 195hp DT466E with MT643 and my max is 65 @ 2600 rpm. Cant remember my ratio at the moment
Probably 4.44 ish like mine was. Full size tires, I take it? If you've got 11R's then you probably have about the same gearing I had.
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