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Thread: 1977 dodge d100 360 - mpg improvement ?

  1. #1
    Junior Member
    Join Date
    Apr 2011

    1977 dodge d100 360 - mpg improvement ?

    i have a 1977 dodge d100 360 auto i picked it up in CA
    after it was sitting for about 8 years
    got it charging and drove it back to WA that week.

    I was only getting 10mpg on the way back
    it still has ac and passes CA smog and has a 2bbr carb
    is there anything i can do you improve the mpg

    Last edited by crabtruck; 04-20-2011 at 11:34 PM. Reason: title

  2. #2
    Platinum Member
    bradrhale's Avatar
    Join Date
    Apr 2006
    not very well out of that 360. the 360 was more of a powerhouse to the 318 but to gain the power, they sacrificed alot of fuel economy. afterall, gas wasnt 3.79 back in those years. best things that will have the best results is keeping everything clean, tight, and driving habits.

  3. #3
    Senior Member
    Join Date
    Jul 2009
    San Francisco
    Are you talking 10 mpg on the highway? You ought to get better than that, say at least 12 mpg highway. Carb could be set rich, bakes dragging.
    '71 Cadillac Eldorado convertible
    '71 Karmann Ghia convertible
    '89 Dodge W150 4x4
    '92 Acura Legend
    '02 Dodge Quadcab 4x4

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