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JohnMcD's Profile

Real Name: John McDermett
Joined: September 2016

In the Garage

  • Silverado 1500

    2014 Chevrolet Silverado 1500 LT 5.3L V8 FLEX Automatic 6 Speed
    Added Jan 2019 • 18 Fuel-ups

    Property of JohnMcD

  • 15.4 Avg MPG
  • Tahoe

    2016 Chevrolet Tahoe Z71 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 284 Fuel-ups

    Property of JohnMcD

  • 16.6 Avg MPG
  • 2015 Corvette

    2015 Chevrolet Corvette Z51 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 76 Fuel-ups

    Property of JohnMcD

  • 21.9 Avg MPG Best In Garage

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Tips

ethanol treatment

i use sta-bil marine formula ethanol treatment. 1oz. per 10... ...

by JBW

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