37" Kumho MT vs 35" Toyo MT: Gearing?
#1
37" Kumho MT vs 35" Toyo MT: Gearing?
After looking at the specs for these two tires they're close in weight.
Kumho:Size-37x13.5R22, OD-36.8 Weight-79.4lbs
Toyo: Size-35x12.5R22, OD-35 Weight-80.5
The Toyo is actually a lb heavier, but almost 2" shorter. So my question is how do you regear for the 37" Kumho's? Do you go 4:88 b/c it measures 36.8or 4:56 b/c it weighs the same as a 35" tire?
Kumho:Size-37x13.5R22, OD-36.8 Weight-79.4lbs
Toyo: Size-35x12.5R22, OD-35 Weight-80.5
The Toyo is actually a lb heavier, but almost 2" shorter. So my question is how do you regear for the 37" Kumho's? Do you go 4:88 b/c it measures 36.8or 4:56 b/c it weighs the same as a 35" tire?
#4
#6
Weight has to be considered, but the rolling radius is what determines you're actually "final drive ratio". That being said, IMHO, the weight will have far less effect on gearing than the diameter. You're not actually carrying that weight, but you are directly turning that extra radius.
David
David
#7
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#8
Weight has to be considered, but the rolling radius is what determines you're actually "final drive ratio". That being said, IMHO, the weight will have far less effect on gearing than the diameter. You're not actually carrying that weight, but you are directly turning that extra radius.
David
David
#9