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Old 01-16-2021, 07:08 PM   #19 (permalink)
Aero Wannabe
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Join Date: Dec 2007
Location: NW Colo
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TDi - '04 VW Golf
90 day: 51.96 mpg (US)
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I have to agree with JSH and skyking. I believe these engines are more efficient when they are getting some boost from the turbo. There is no need to dawdle going through the gears. Occasionally do the “Italian tune up” but only after the engine is fully warmed up.

If you are new to the TDI you may find my how-to thread useful.
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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