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Taller Tires or 10mm makes a difference 200 1984

posted by  PhoenixFire on  Wed Mar 16 19:47 CST 2011
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last visit: Sat May 10 16:55 CST 2014
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i wrote a very long detailed article about something related to this in a 4x4 forum that i was on. The BASICS are this: I proposed that while on a long all highway trip a taller tire WILL result in BETTER mpg (wont get into the math of it here, but trust me, it works)taller tire = less revolutions per mile. Your speedometer and odometer WILL be off, it will read SLOWER than with stock tires, but in this case NOT significantly. Yes it WILL accelerate SOMEWHAT slower but a 10 mm difference in height shouldn't make MUCH difference, but still some. Some of this make have to to with the tread itself, tread compound, tread design and rolling resistance. It DOES take MORE torque to turn a taller tire, and a taller tire will be heavier, resulting more torque required to turn the weight of the tire, this could be perceived as not being able to accelerate as quickly. ALso this would cause a DROP in MPG in stop/go driving, but improved on sustained even speed highway driving, which would balance it out. The taller the tire (vs. stock) the more the differences are.

does this answer your questions? if you like, I can go over the specific math of this with you. (i is a geek like that)
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-Chaos Manager-






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