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01-09-2012, 03:30 PM | #11 |
Registered User
Join Date: Nov 2011
Location: Chicago, IL
Posts: 321
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Re: what are you guys getting for mpg?
your right its the WEIGHT difference pick up a stock 17" wheel then a 22" wheel you'll see what i'm talking about I've had a few set of rims (8 and counting) on my suburban and most was the same over all tire height so the speedometer would ready correctly but the weight of the bigger or even just a different wheel that weights more in the same size is what kills mpg
my stock tire size is 265/70/17= 31.7 Overall Diameter my aftermarket wheels have 305/40/22= 31.6 Overall Diameter but weight a lot more then the stock rim/tire combo so mpg suffers the more they weight the more power it takes to turn them even if they are the same size if you typed your current tire size correctly you should be getting better MPG that size 265/50/20 is a 30.6 Overall Diameter witch is smaller then the stock 20 inch size that is 275/55/20 and that is a 31.8 Overall Diameter tire Last edited by stroker87; 01-09-2012 at 03:37 PM. |
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