4:10 or 3:73 ?
Possible upgrading to Ram dually. I'm pulling 12,500# gvw with SRW and 3.42 rear end. Usually lock 6th gear out. Plan is to move up to new 15,000# gvw 5th. Not sure if I want to get 4.10 or 3:73. Wh...
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Me Again wrote:thomas201 wrote:
Have you tried taking it up to 65, let it make the shift to 6th, hold a minute and drop back to 60 to 63 where you feel comfortable? It should stay in 6th. Keep the girl that brung ya!
Then the engine would be way down on the torque curve and turned at to low of RPM for efficient towing and fuel mileage. 60 in 6th is around 1200 RPM and the engine would be lugging. I will verify that later today.
I tow at 24500 combined at 1750 RPM in 5th works very well at 60 MPH.
Chris
Thanks Chris. You got it.
Eh?
