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Old 07-22-2018, 11:48 AM   #69
richfaa
Montana Master
 
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
Quote:
Originally Posted by vipermanden View Post
Here is just a fact that all of you will have to deal with. I have the most powerful truck on the market, a RAM 3500 with the 6.7 Cummins and the Aisin transmission, and the 4.10 rear end gears, and it says i can tow over 31,000 pounds with this setup. Even still, when I hit the Teton Pass with my setup, with the pedal being shoved thru the floor board, I could only maintain 46 mph up that grade. It is a 10% grade for 5 miles. So get whatever rear end you want but know if you get less than a 4.10 you will be going even slower over passes like this!
And I will bet your EGT temps and turbo boost were red lined. We have to stay around 45mph to keep our EGT below 1300 degrees going up Fancy Gap in VA Fancy Gap is a 6 mile 5% grade climbing 1500 feet and we do have the 4.10 gears. We are pulling about 23K GCVW
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