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Originally Posted by peterod
Thanks for the replies guys also would an Eaton 3:36 ratio be good for me with my setup? Reason i ask is i see a pete with the 3:36 ratio and 24.5 tires and Detroit 60 s rated at 430hp which im planning to buy
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In my opinion that's geared way too high for dump trailer use.
Overall reduction (trans lo gear ratio 12.31 times rear axle ratio 3.36) = 41.3616, a far cry from the target number of 60.
In high gear with the 13 speed's overdrive of .73 with the 3.36 rears on 11R24.5 tires that truck will do 97 MPH @ 1900 RPM, and at 2100 it will do 108 MPH.
It'll go like hell out on the highway, but if you're planning on going off road on construction sites etc., you'll be screwed when you try to start off with a full load on, unless you slip the clutch to get it moving, and then the clutch will be shot very quickly.
