What does all this MEAN? TV help.
So, we bought a truck last year on a whim (Ram 1500), and then bought a rig. Didn't plan the 2 purchases out very well. Technically the 5er is within the specs of the truck....but we towed over I-70...
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With a gasser in the mountains, get the 4.10 rear end. Just means the engine has to turn more RPM for the same speed. Yes, you won't be flying up any mountain grades, but you shouldn't be doing that anyway. It =will= help on downgrades in that the rear-end will turn the engine at a higher RPM as you slow, so you get more braking. Don't be scared to run your engine up to what you think is a high RPM, either. You'll actually work the engine =less= hard at 4-4.5k than up-shifting and trying to run at 3.5-3.8k. My dad proved this to me on a trip from PHX to Porterville CA towing our big gooseneck. I had an old 3/4 ton with a Turbo 400 and GearVendor OD. I'd run a lower RPM, Dad would run one step higher and he consistently got 1-1.5 mph better than I did running the same speed. If you do plan on longer trips or =many= trips, do consider the Duramax. Overall, you'll tend to get better mileage and towing is just easier. I know I'll never go back, if I have the choice.
Lyle
Lyle
