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I weighed my stocker wheel/tire combo, & came up with 35 lbs on my bathroom scale. I replaced the tires just in time, as the fronts were down to less than 2/32" tread depth in the center. I was wrong about tread wear being even after hypermiling 20,000 miles. They were definitely worn more in the center on the two front tires.
Today's drive impressions:
New tire ride @ 51 psi on 50 series tires is about as rough as 44 psi on 60 series tires
Stock (185/60-15) tires showed 60 mph on speedometer and UG when GPS speed was 57 mph.
New (205/50-17) tires initially showed 60 mph on speedometer & GPS when UG was showing 56.5 mph.
After 5.6% distance calibration of UG, new tires now show 60 mph on speedometer, GPS, and UG simultaneously.
Car's odometer readings are now underreporting mileage by 5.6%.
I pulled >60 mpg driving home after distance calibration.
__________________
Darrell
Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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