4.10 gears, nv5600, how many rpms at 75 mph? - Dodge Cummins Diesel Forum
98.5-02 Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect..NO ADVERTISING .

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post #1 of 2 (permalink) Old 04-19-2019, 09:31 PM Thread Starter
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4.10 gears, nv5600, how many rpms at 75 mph?

I've always had 3.55 gears but considering 4.10 for towing. How many rpms are you turning at 75 mph? Thanks!

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post #2 of 2 (permalink) Old 04-19-2019, 10:14 PM
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Gears are just math.
Multiply your RPM x 1.155.
Thatís what your RPM will be if you swap to 4.10 from 3.55 at any given point.

'99 QC 4x4 Dually.
In the near future Iím ripping out all the electronic junk and P-pumping it.
Built trans, Gear Vendors overdrive, Kelderman Air Ride
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