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What's the ROI going from a 10sp to a 13sp with 3:55

I have to get a reman so a 13sp is about 2200.00 more than a reman 10 sp. because it's not even Steven for the core charge. Yes that's including cutting driveshaft to.

Is it worth it truck has 1million and inframe was done at 950,000. Since inframe last 3 Polaris oil samples have been the best ever no problems as far as eye can see. What's the ROI on the 2200.00 and increased mpg's?

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If you do a lot of heavy loads in mountain country, you might see a slight increase in mpg. You lose a little drive ability with the 10 speed but not much in mpg. The ROI may be 5-7 years or more. I personally just like a 13 speed and would pay extra to have it but it is actually hard to justify in dollars and cents. Today's big torque engines do a great job with fewer gears.

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Yes Iam close to 80000lbs 75% of the time , lots of big hills and mnts and there are times it feels like I have to drive 72+mph to be onetime ;thought 13sp would help there too.


And with the 13 speed, if get fuel mileage crazy, you can drop in 2.79 or 2.64 rear end ratios and run in direct (11th gear)or run triple digits!


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