Does anyone know if the 9 speed 2022 transmission the ProMaster has can be installed in a 2019 ProMaster?
I completely agree. The 62TE with its 4+2 configuration is well matched to the PM. Not perfect, but just fine really, and it has a known track record in the PM.It’s a good question. Chrysler has always been pretty good about keeping parts uniform. That’s smart because it reduces costs for everyone. So I suspect that the case for the 9 speed has provisions for east-west and north-south mounting. It’s in the Pacifica behind a pentastar, and it’s in the Cherokee behind a 2.4 (I think). So yeah, it probably fits, and it probably had the same output splines to match our axles.
Controlling it is relatively simple. At the end of the day, shifting a modern transmission is just a matter of voltage to the shift solenoids. You could shift the 9 speed or our 6 speed with push buttons or toggle switches if you wanted to.
A problem would be the computer going into limp when it doesnt see a trans hooked up. Possibly solved by using a Jeep ecu programmed for a manual trans. Not that simple, but not insurmountable.
Of course, the real question would be why. Lots of things to complain about the 62te, but the ratios are pretty perfect. Burns the tires in 1st, turns 2000rpm at 60. You’d also want the 9 speed to turn [email protected], because that’s the sweet spot for the engine. If for some reason you want it to turn [email protected], but on bigger tires. If you want [email protected], put on smaller tires. Or you could just swap in a minivan diff. It’s 4 bolts, and it fits.
More gears can get you better acceleration, and better highway mileage. But only up to a point. The mileage of the van is pretty much dictated by physics - it’s never going to get 30mpg on gasoline. For 99% of people, 0-60 isnt important in a 5400lb van. 9 and 10 speed transmissions exist to ace the EPA emissions tests more than anything else, really.
If the goal is max mileage, I think it may be possible to put a turbo 4 in place of the pentastar. That, and some aero tricks would yield bigger gains than more gears, I suspect.