gpp_marvin's Profile

Real Name: Manfred Berthold
Joined: August 2015

In the Garage

  • Silver Money gobler

    2000 Volkswagen Passat 4 Motion 2.8L V6 GAS Automatic 5 Speed Wagon
    Added Aug 2015 • 13 Fuel-ups

    Property of gpp_marvin

  • 25.3 Avg MPG Best In Garage


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Add air to tires during low humidity weather

The more water vapor in your tires, the more variation there... ...

by EngrPaul

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