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Old 08-26-2012, 12:32 PM   #6 (permalink)
Drive less save more
ecomodded's Avatar
Join Date: Jul 2011
Location: Vancouver Island, Canada
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Dusty - '98 VOLKSWAGEN Beetle TDI
90 day: 60.42 mpg (US)
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I suspect the leaning out of the mixture will raise the exhaust temperatures significantly.
I would use less throttle in your daily driving and more coasting, you will see a 5 mpg increase, without toasting your motor, like Daox suggested you would.

Not long ago i was thinking on restricting the actual airflow to de-tune the motor to make less horsepower.
What i had to do was tune my driving habits not de-tune the car.
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