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Old 04-18-2014, 11:24 AM   #4 (permalink)
Aero Wannabe
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Join Date: Dec 2007
Location: NW Colo
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TDi - '04 VW Golf
90 day: 55.78 mpg (US)
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In the second photo, I have since covered the cat/con from the skid plate to the coroplast with aluminum flashing with no heat problems over the past three years. The pipe insulation on the lower and the intercooler grills on the last photo are only used in the coldest months.
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.

Last edited by COcyclist; 04-18-2014 at 12:01 PM..
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