Thread: Experiment: smooth wheel discs tested A-B-A - 4.6% mpg improvement @ 65 mph
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Old 06-27-2010, 03:19 PM   #226 (permalink)
gone-ot
...beats walking...
 
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...unfortunately, their 16" moons are $50.50 each (not $30-something) and don't have any valve-stem access for checking tire air pressure (not good).
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