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Anyone added a 2nd gas tank?

Discussion in 'Prius c Accessories and Modifications' started by garm, Jun 8, 2013.

  1. mahout

    mahout Active Member

    Joined:
    Nov 29, 2010
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    Location:
    NC
    Vehicle:
    2012 Prius c
    Model:
    Two

    Gas weighs 6.5 pounds per gallon and our 4 gallon race tank with foam weighs 5.28 pounds with lines. The tools in my trunk weigh 112 lb and I still get 48 mpg without trying.
     
  2. mahout

    mahout Active Member

    Joined:
    Nov 29, 2010
    655
    116
    0
    Location:
    NC
    Vehicle:
    2012 Prius c
    Model:
    Two

    That's why you tie into the return line to the tank with check valve. And lightly pressurize the second tank. Course you need to increase your fire insurance but then racers never had enough anyway.