gas engine questions

Discussion in 'Dodge Gas Engine Rigs' started by RJF's Red Cummins, Feb 18, 2005.

  1. RJF's Red Cummins

    RJF's Red Cummins TRC Staff Moderator

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    What kind of mileage are you 360 and V10 guys getting? Manual or Auto? Do you prefer your gas engine? If so why? Any mods done to your engine?
     
  2. MTMike

    MTMike Well-Known Member

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    We get 11 empty around town, 11-12 on the highway empty, and 6 towing the 8500lb trailer. Auto trans here.

    The Dodge is my wife's DD, and she's just as much of a leadfoot as I am, so it could be better, and the highway could be better if we could pull overdrive on the interstate. At 80mph, the slightest hill or headwind will kick the trans down to Direct due to 33" tires and 3.55 gears.

    -Mike
     
  3. Tim

    Tim Guest

    Wow, you tow 8500 lbs in a truck with 33s and 3.55 gears? You should seriously consider changing to 4.56s or so. It'd make a drastic improvement in your fuel economy across the board.
     
  4. MTMike

    MTMike Well-Known Member

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    ...and a small block gasser, in mountainous Montana.

    Lets just say I spend a LOT of time in 2nd gear.....It's quite painful, but it does the trick until I can get my CTD.
     
  5. Stoney

    Stoney Member

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    Mine (see sig) gets 15-17 in the highway with the cap on the bed.

    Pullin' the 5er it gets 9-11. Never bothered to check city driving mpg.
     
  6. mudskipper

    mudskipper Member

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    I got about 11 overall and could get 14.5 hwy if I kept it at 65mph for long trips for a 1998 reg cab, 4x4, V10 auto that I use to have.
     
  7. RJF's Red Cummins

    RJF's Red Cummins TRC Staff Moderator

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    Wow, thats impressive with the V10.
     
  8. opcruzer

    opcruzer Member

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    I get about 11-13 on the highway and about 9-10 in town, I have replaced everything I can think of to help, plugs, wires, cap, rotor, air filter, synthetics in the diffs and new trans fluid and I keep up on my regular maint. It just is not the most econonmical engine dodge made.
     
  9. 81dodgepower

    81dodgepower Member

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    my old dodge gets about 9 mpg on the highway empty and about 5mpg towing but it could haul just about anything i hook up to it its a 360 with edelbrock intake and 750 cfm edelbrock carb and a set of open headers
     
  10. ramcat

    ramcat Member

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    My got 8mpg driving with an empty trailer down the highway and 5mph with a loaded trailer. It's a stock 360 with an auto tranny. He prefers his third gen CTD without a doubt. ;)
     
  11. binksman

    binksman Member

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    96 1500 5.9 auto 4x4 3.55's and 33's
    EMPTY: 11-12 city, 15-17 hwy
    LOADED BED (400-1000 lbs kept below roofline): 11 city, 13-15 hwy
    LOADED TRAILER (22 ft tagalong car trailer up <3000lbs): 10 city, 12-13 hwy
    LOADED TRAILER (same trailer loaded over bedline or >3000 lbs): 7-11 hwy

    Except for the heaviest loads, the engine pulls fine, but the trans is the definite weak spot. Can't tune it right for towing and even with a large cooler and electric fans it likes to heat up.
     
  12. LOUDandPROUD

    LOUDandPROUD Well-Known Member

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    Gears man, I would look at something to replace those 3.55's. Their just too tall for towing.
     
  13. rocknbronco

    rocknbronco Well-Known Member

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    I would say to find a deep sump for the transmission and find a full synthetic transfluid that can take the abuse.
    Yeah and those gears would help to get lost as well.... Find a 4.10:1
     

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