750hpDenali's Profile

Real Name: Preston Lawrenz
Joined: December 2015

In the Garage

  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2015 • 5 Fuel-ups

    Property of 750hpDenali

  • 12.5 Avg MPG Best In Garage


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Downshifting up hills

In a manual, only downshift as much as you have to. If you c... ...

by iDanoo

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