what rpm gets the best mpg?

Discussion in '6 cylinder' started by Zack93Ranger, Oct 26, 2011.

  1. Zack93Ranger

    Zack93Ranger THE POWER RANGER

    i have a 93 ranger with a v6 4.0 its 4x4 got 3.73 gears what rpm should i keep it at to get the best mpg? anyone no?
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  3. klinger86

    klinger86 Moderator

    i have heard right around 2500
  4. Hooligan

    Hooligan Rangerholic!!

    I have no clue....I have a lead foot lol
  5. OP

    Zack93Ranger THE POWER RANGER

    X2 lol
  6. Hurley

    Hurley Superultramegalurker

    I would say 2400-2600
  7. rango88

    rango88 Chuck Norris Drove a Ram

    my truck with 3.55 rear gets the best mileage around 2,000-2,300 RPM (65 MPH)
  8. BisketFx4

    BisketFx4 New Member

    With mine its below 2,000. Which is 60mph.
  9. I get an average of 17 mpg (city/highway), around 1900-2400 rpm's. Overdrive on the highway kicks them way down, which helps a lot.
  10. Racing2Fast

    Racing2Fast New Member

    my mileage depends on my mood. lol. if my day is awful i have a heavy foot but if im in good mood i drive 60-65 mph and get a good mileage. i get like what everybody gets in here 17-18 mpg. it also depends on the maintenance of your auto parts
    Last edited: Jan 28, 2012
  11. pooleo

    pooleo New Member

    really depends on your final drive ratio. This is including trans type, gear ratio and tire size. For my 96, it likes the higher RPM's, so with 235's and 3.73 gears, 2600-3100 is optimum range. Have not driven the 99 enough to determine yet :p
  12. rango88

    rango88 Chuck Norris Drove a Ram

    2,000 RPM- 2,200 RPM or about 65 MPH for my 3.55
  13. TurdFX4

    TurdFX4 Schuylkill Countys Finest

    Honestly I would say that 0 RPM would give you the best mileage
  14. Brinker88

    Brinker88 Black sheep o' the family

    My 2.3 loves higher rpm's. It shifts smoother at around 3500 RPMs

  15. Agree, the lowest rpm will give the best mileage
  16. DPG3

    DPG3 Member

    probably between 2k to 2.5k. but honestly its the accerlating that kills the mpg. if you hop of the freeway, you can be at 3k, 3.5k, and get 20mpg. obvisouly lower rpm will give you better, but constant rpm is the best.
  17. henryford

    henryford New Member

    ive heard the 1500 rpm but ive found a 4L,std trans will lug a bit in 5th gear at 1500 so IMO id try for 1700 rpm and monitor
  18. henryford

    henryford New Member

  19. henryford

    henryford New Member

    hi I'm told run at 1500 rpm =I have a 5speed and this rpm is in 5th gear and 80 kms per hour =all factory ,,no mods,,==I do get 28miles per gal { Canadian gallons ) not to forget =4L 5std ranger 2010
    Last edited: Dec 7, 2017

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