Friday, July 11, 2008

Air Filters improve fuel economy

There is a connection between increased gas mileage and intake airflow restriction. The theory is simple, the harder an engine has to work to pull air into the engine, the more gas gets wasted in the process, decreasing fuel economy.

Replacing old air filters for improved mpg comes from the U.S. Department of Transportation. Replacing a dirty or clogged air filter is one of many recommendations to get the most from your gas. Many users report an increase in their fuel economy after beginning to use high flow air filters and intakes, as well as increased horsepower.

There are many elements that can be manipulated to improve gas mileage.

  • tire inflation
  • the type of fuel
  • driving speed
  • having an overdrive gear
  • acceleration
  • stopping
  • engine maintenance
  • idling
  • using cruise control
  • type of motor oil
  • air filters

High flow air filters combined with an after market intake system are less restrictive than disposable filters and are less restrictive than the factory air intake system. A high flow air filter along with regular maintenance will help increase gas mileage as high as possible.

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