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Old 10-01-2008, 10:08 AM   #15 (permalink)
tasdrouille
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Join Date: Jan 2008
Location: Quebec City
Posts: 812

The Truck (Retired) - '99 A3 Jetta TDI
90 day: 62.27 mpg (US)

The Guzzler - '08 Elantra GL
90 day: 33.09 mpg (US)

The Green Machine - '00 A4 Jetta TDI
Quote:
BTW the majority of the particulates (dirt) that you find in the oil are attributed to your air filter not catching them. If you can, get a filter with a larger surface area, this will reduce face velocity of the intake air and the particles will be trapped easier by the filter. If you acquire a filter that is larger than your vehicle takes, see if it will fit under the hood with some modifications. A bigger filter really is better.
To elaborate on that, people usually change their air filters way too early. As air filters accumulate dirt, they also filter better. So do yourself a favor, get an air filter service indicator and only change your filter when you need to.
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