Forum Discussion
hindle_az
Sep 13, 2005Explorer
kennard04 wrote:hindle_az wrote:
BertP, I said struggling because after it downshifted got back up to speed and went back into overdrive a couple of miles later it would downshift and then repeat this pattern over and over. It was struggling!!!
Bottom line is the truck couldn't maintain the speed in overdrive. A diesel would have. Period.
a diesel will pull any grade in OD ? Come on man, any blanket statement surely will have plenty of holes in it. Gassers rev, diesels don't rev as much but if you'll look at the rpm range of the new Ford 6.0, it's MUCH higher revvin than the 7.3 and the DMax/Cummins. HP is made by multiplying torque times rpm. You can have all the torque in the world and go slowly up a hill. But you'll need rpm to stay at speed, rpm and hp.
Please don't put words in my mouth. I've never said a Diesel will pull any grade in OD. My point was in the same situation my truck doesn't down shift and pulls OD just fine with the trailer. Obviously with a steep enough grade the truck shifts down as any truck would pulling or hauling a load. However, I have the same truck as my friend with a Diesel and have a simliar size/weight trailer and have towed over the same route many times and always pulls OD in cruise control at about the same speed 70-75 no problems. That was my point.
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