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Old 01-28-2015, 01:59 PM   #38 (permalink)
COcyclist
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Join Date: Dec 2007
Location: NW Colo
Posts: 738

TDi - '04 VW Golf
TEAM VW AUDI Group
90 day: 52.55 mpg (US)
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I thought I would provide an update and revive an old thread. I am very happy with the "dynamic EGR" tune. I installed it in early fall of 2013 so last summer was the first summer tanks using no EGR after the engine reaches 150 F. On a route I have driven for years my ScanGuage showed 70 mpg "current" on the flat at 60 mph. This is higher than I have seen in the past and I have gotten close to 1,000 miles on a tank and 60 plus mpg for the whole tank. In my experience deleting EGR has not hurt my mileage and may have helped.
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https://ecomodder.com/forum/showthre...tml#post621801


Quote:
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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