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htvfd460 · 03-12-2011, 09:55 PM

It will increase by the diameter's difference. My tires are about 27.5" at 28 psi. Setting the pressure to 35psi expands my (center tread) diameter to 29". My tires change by 1.5".

03-12-2011, 09:55 PM	#108 (permalink)
htvfd460 EcoModding Lurker Join Date: Mar 2011 Location: NJ Posts: 42 American - '06 Ford Ranger STX 90 day: 27.05 mpg (US) Thanks: 0 Thanked 0 Times in 0 Posts	It will increase by the diameter's difference. My tires are about 27.5" at 28 psi. Setting the pressure to 35psi expands my (center tread) diameter to 29". My tires change by 1.5".