Force a Torqueshift to stay in 5th Gear? - Diesel Forum

duner72 · 11-15-2008, 02:40 PM

Does anyone know if this is possible and if so how? Thanks

craigwe · 11-17-2008, 10:20 PM

why? towing, or dyno, or fuel mileage??

ID has a dyno only tune.. you have to drive the truck onto the dyno and then load the tune and then run the truck..

duner72 · 11-18-2008, 08:41 PM

Because when I tow my 5th wheel on flat ground it will only pull it in 4th gear and I only get 4.8mpg. I think I have it figured out though. I did the tc lock mod and when you lock it up it's pretty hard to get it to downshift. I will know next week when I pull it again on a 200 mile trip. Did a little test run yesterday and it seemed to work great.

OT · 11-18-2008, 09:24 PM

duner..maybe MK will chime in. Geez..4.8mpg..how fast you going?

Does mod totally prevent downshift..if so..could that cause more stress on tranny?

Anyhow..update later if you can. Good luck!