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Old 09-29-2011, 08:30 PM   #2 (permalink)
JRMichler
Master EcoModder
 
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Join Date: Feb 2011
Location: Phillips, WI
Posts: 1,013

Nameless - '06 GMC Canyon
90 day: 37.45 mpg (US)

22 Maverick - '22 Ford Maverick XL
90 day: 41.9 mpg (US)
Thanks: 188
Thanked 466 Times in 287 Posts
When I put the new tires on my truck, I did a coastdown test at 32 PSI, then repeated the test at 47 PSI (sidewall maximum). The difference was dramatic.

I get excellent traction on snow and ice at the higher pressure. The only negative is rumbling and banging over tar strips.

Tires are Nokian WR size 235/75R15. This is 2% larger than stock.
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