Gas Milage

Discussion in 'Technical' started by aubman82, Sep 24, 2006.

  1. aubman82

    aubman82 Member

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    just went on a 260 mile quick trip after I have gotten my 74 mav running good. Got 29 mpg!!! Average 70 mph on the interstate.
    74 mav, 200CI I6, no A/C
     
    aubman82, Sep 24, 2006
    #1
  2. Derek 5oComet

    Derek 5oComet Tire burner

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    I went on a 160 mile trip last weekend with my Comet and averaged 26 mpg with a 302 and a 5 speed with 3.89 gears at 65 mph .Derek.
     
    Derek 5oComet, Sep 24, 2006
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  3. Tom Laskowski

    Tom Laskowski Member

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    Hmmmmmmmmmmm!
     
    Tom Laskowski, Sep 24, 2006
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  4. Jamie Miles

    Jamie Miles the road warrior

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    I get 25-26 hwy out of my 250. High teens to low 20's around town depending on traffic. C4 trans with no kickdown and mild shift kit, 2.79:1 rear, Duraspark II conversion with TFI coil.

    Hopeing to get high 20's to low 30's highway out of my '69 1/2.
     
    Last edited: Sep 24, 2006
    Jamie Miles, Sep 24, 2006
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  5. hotrodbob

    hotrodbob Member

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    Ok, what am I doing wrong. 16-18 mpg at 70 mph on a 250, c4, 2.79 gears in my 71 Grabber. About 20 mpg at 70-75 on a hot 200, 2 bbl, Isky 262 cam, 5 speed, 2.79 rear in a '63 Ranchero.
     
    hotrodbob, Sep 25, 2006
    #5
  6. Jamie Miles

    Jamie Miles the road warrior

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    I have found that haveing a good strong ignition system (not points!), well tuned carburetor and fine tuned timeing works wonders. Also, tires that are properly inflated and not too wide. I also replace my PCV valve and spark plugs every 10,000 miles and shine up the contacts of the distributor cap and rotor with scotchbrite.

    Driving style also has EVERYTHING to do with economy.
     
    Last edited: Sep 25, 2006
    Jamie Miles, Sep 25, 2006
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  7. PINKY

    PINKY .....John Ford.....

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    .7 miles to the gallon and luv it! In the PINK one :D


    The yellow one gets terrible mileage, but I know why....carb is junk.
    I am hoping to get around 20 mpg when I put the new motor in it. :)
     
    PINKY, Sep 25, 2006
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  8. Mavaholic

    Mavaholic Growing older but not up!

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    I'd get another calculator. I guess its possible but I dont see how without an overdrive.
     
    Mavaholic, Sep 25, 2006
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  9. aubman82

    aubman82 Member

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    29 mph

    257 miles, 9 gallons to refill the tank. I think my calculator is working fine.
    oh, and I have a 1bbl. carb.
     
    aubman82, Sep 25, 2006
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  10. maverick75

    maverick75 Gotta Love Mavs!

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    The mav is gone but i'm still here!
    I wish i had those numbers...when i rev up the mav i can actualy watch the gauge go down:bouncy:Good thing this isnt going to be a daily driver:)
     
    maverick75, Sep 25, 2006
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  11. Mavaholic

    Mavaholic Growing older but not up!

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    I still dont buy it. When my Sprint was new it had a 200 with a 3 speed and 3:00 gears. The best I ever got was around 24. Unless your filling up until your spilling out of the filler tube. You have no way to know if your adding the same amount of fuel each time. 257/9=28.5 You still need that calculator. :D And all Maverick 6 cyls came with a 1bbl carb.
     
    Mavaholic, Sep 25, 2006
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  12. Jamie Miles

    Jamie Miles the road warrior

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    Jamie Miles, Sep 26, 2006
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