Koolman's Profile

Real Name: Johnny K
Location: Liberty Lake, WA
Joined: October 2014

In the Garage

  • Sierra 2500HD

    2007 GMC Sierra 2500 HD SLE 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
    Added Oct 2014 • 54 Fuel-ups

    Property of Koolman

  • 14.6 Avg MPG Best In Garage


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Think about adding a partial/full grill block for the winter

If you have a way to gauge your temperature then adding a gr... ...

by Mikes1992

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