Quote:
Originally Posted by SizzleChest
does the actual weight of the tire really make that much of a difference? i would think the friction of the wider tire making contact with the ground would cause a more substantial drop in mileage than the actual weight of the tire.
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Could be, but the larger mass the truck has to get turning, plus the larger diameter of that mass is going to play a role as well. Think of spinning a bike tire vs. a 33 MT. Getting the 33 going is a lot tougher.
Quote:
Originally Posted by SizzleChest
i have 33x9.5s with 4.88s and a 22RE and get 550kms (342miles) per 65L (17gal) tank around town which is what the ODO shows and after re-gearing, i think the speedo is on the low side which would mean the ODO would be as well, correct?
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Yes the Odo will be lower if your speed is lower. Those numbers you posted say you're getting around 20 mpg... And if your odo is low, you are getting better. That's very impressive for around town, if that is all converting correctly. Do you drive it till it runs out?
342 is a long way.