tire size ? - assume price is right, I'm running 16" winter wheels on the ar and will need new tires
12-21-2006, 07:09 PM
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tire size ? - assume price is right, I'm running 16" winter wheels on the ar and will need new tires
for winter next year. Old is 215/65/16. New 225/60/16. I'm thinking to bite. Any reason not to?
Stock Tire - 215/65R16
Tire 1 - 225/60R16
Section Width: 8.46 in 215 mm
Section Width: 8.85 in 225 mm
Rim Diameter: 16 in 406.4 mm
Rim Diameter: 16 in 406.4 mm
Rim Width Range: 6 - 7.5 in
Rim Width Range: 6 - 9 in
Overall Diameter: 27.00 in 685.8 mm
Overall Diameter: 26.62 in 676.14 mm
Sidewall Height: 5.50 in 139.7 mm
Sidewall Height: 5.31 in 134.87 mm
Radius: 13.50 in 342.9 mm
Radius: 13.31 in 338.07 mm
Circumference: 84.82 in 2154.4 mm
Circumference: 83.62 in 2123.9 mm
Revs per Mile: 770.3
Revs per Mile: 781.3
Actual Speed: 60 mph 100 km/h
Speedometer1: 60.8 mph 101. km/h
Bottom line for new tire:
Speedometer Difference: 1.428% too fast
Diameter Difference: 1.41%
Stock Tire - 215/65R16
Tire 1 - 225/60R16
Section Width: 8.46 in 215 mm
Section Width: 8.85 in 225 mm
Rim Diameter: 16 in 406.4 mm
Rim Diameter: 16 in 406.4 mm
Rim Width Range: 6 - 7.5 in
Rim Width Range: 6 - 9 in
Overall Diameter: 27.00 in 685.8 mm
Overall Diameter: 26.62 in 676.14 mm
Sidewall Height: 5.50 in 139.7 mm
Sidewall Height: 5.31 in 134.87 mm
Radius: 13.50 in 342.9 mm
Radius: 13.31 in 338.07 mm
Circumference: 84.82 in 2154.4 mm
Circumference: 83.62 in 2123.9 mm
Revs per Mile: 770.3
Revs per Mile: 781.3
Actual Speed: 60 mph 100 km/h
Speedometer1: 60.8 mph 101. km/h
Bottom line for new tire:
Speedometer Difference: 1.428% too fast
Diameter Difference: 1.41%
12-21-2006, 09:59 PM
#2
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Most importantly, new tire looks like it fits on the OE wheel width.
You should feel a little better performance cornering with slightly lower profile.
You can report the adjusted tire circumference (with VAG-Com?) to correct the speedo/odo.
You can report the adjusted tire circumference (with VAG-Com?) to correct the speedo/odo.
12-22-2006, 07:26 AM
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You'll get better winter traction with the narrower tire; air 'em up to 38-40 psi.
Inflate the 215/65/16 to 38-40 psi (44 psi max?) and they'll handle great. With great traction when mounted on the heavy allroad.
12-22-2006, 10:06 AM
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Too much impact harshness at those pressures, I found , as opposed to the
summer Falkens that I run at 39-40 with no problem. The current WS-50 215 mm snows are less compliant. I found some Nokian WR in the 225 width for next year at a great cost and am buying now.
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