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Old 09-05-2012, 11:49 PM   #13 (permalink)
Dcarver
EcoModding Lurker
 
Join Date: Aug 2012
Location: Texas
Posts: 9

Opposite of white lightning - '98 Ford F150 Ext cab lariat
90 day: 16.94 mpg (US)
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The tires I will be looking into will be LT tires for sure. Found out they are of course the best for towing.
I do not tow at my max load so I'd be ok with going slightly smaller and I feel the LTs will be better than the standard P rated tires I have now
I don't think the smaller tired will give me worse mpg however. Wouldn't my speedometer be off so by driving 65 on the speedometer would actually be 70mph this meaning my Rpms are lower and increasing the gas mileage?
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1999 Chevy Tahoe
2wd 3.42 gears
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