Join Date: Jan 2011
Location: Fort Sam Houston, TX
Feedback: 0 reviews
With the untold number of tire and wheel combinations out there I just don't believe that the RPM chart we all use has taken into account Unsprung weight and rotational force involved in each tire wheel scenario. Unsprung weight is thrown around alot, but it actually accounts for all components like "wheel axles, wheel bearings, wheel hubs, tires, and a portion of the weight of driveshafts, springs, shock absorbers, and suspension links". We have all changed these components and havent gave a second thought to the unsprung weight increase. As for the rotational mass, well, now it goes into Physics and a whole other can of worms that just don't need to be messed with for the average wheeler. For what the OP wants that rule of thumb I passed on will work just fine for him. I have done many gear swaps myself and wheeled varying terrain and it has worked for me so far, so for me personally, I am sticking with it.
2015 Stone White Unlimited Rubicon
To many mods to list..lol
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