Towing 2300kg van with Challenger 2.5 TD Auto (and generally)

Submitted: Tuesday, Apr 07, 2015 at 18:34
ThreadID: 117383 Views:2944 Replies:4 FollowUps:9
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Anyone have any suggestions on towing a 2300kg van with a Challenger?

Anyone have any comments on these things I have heard generally?
a) use the manual shifting capabilities of the box rather than auto
b) downshift to keep revs above maximum torque
c) travel at RPM equal to maximum torque
d) downshift to 4th before you start up long hills (to reduce wear in overdrive 5th gear)
e) shift early from 1 to 2 even if you will be well below maximum torque in 2nd as it saves the gearbox from being hit with the maximum torque at maximum gearing.

The Challenger does not have a switch to turn off the overdrive. It kicks in both in 4th and 5th gears when the box senses it can handle it.

My top priority is being mechanically sympathetic to a smallish motor and the auto gearbox (given Mitsubishi detune the Torque of the engine for the Auto box).

Thanks in anticipation!
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