I just towed up Raton Pass yesterday. I didn't touch the gears on the way up. On the way down, I downshifted to 4th to hold speed. The RPMs were at 4200, but it helped keep the speed under 65.
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(SOLD) 2015 Keystone Passport 2810BH
2013 Ram 1500 Hemi 8-speed 3.92 Air Suspension
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