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Old 07-27-2015, 02:34 PM   #89 (permalink)
Aero Wannabe
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Join Date: Dec 2007
Location: NW Colo
Posts: 738

TDi - '04 VW Golf
90 day: 52.55 mpg (US)
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Originally Posted by The donkey CRX View Post
So here are the major modifications and my opinion of the MPG benefit of each:

14 X 5 1/2 HX wheels with Bridgestone RE 92 low rolling resistance tires. 7 or 8 MPG improvement over "regular" 13 inch tires.
Thank you for listing these mods out for us. I am amazed at the mpg difference between LRR and "regular" tires. I'll have to try them when my tires wear out.

Great looking car and very nice workmanship.
60 mpg hwy highest, 50+mpg lifetime
TDi=fast frugal fun

Originally Posted by freebeard View Post
The power needed to push an object through a fluid increases as the cube of the velocity. Mechanical friction increases as the square, so increasing speed requires progressively more power.
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