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4.56

Discussion in '4 Cylinder' started by Bachenstien, Dec 16, 2009.

  1. Dec 16, 2009 at 11:40 PM
    #1
    Bachenstien

    Bachenstien [OP] Well-Known Member

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    3" Fabtech coil overs/rear block, Front and rear diff locked.
    Im putting in my 4.56 gear from a 4.30 ratio. Can anyone tell me if I will notice a huge fuel decrease?
     
  2. Dec 16, 2009 at 11:44 PM
    #2
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the old Taco's.... new Tundra is pretty stock
    if you are doing it because of oversized tires straining your 4 banger (as i'd imagine you are) then there shouldnt be a decrease, if anything i'd say you may see an increase! :)
     
  3. Dec 16, 2009 at 11:45 PM
    #3
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Eastern side of the Sierras: Sparks, NV
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    Had tons on the old Taco's.... new Tundra is pretty stock
    hey, saw your location.... want to go 'wheelin up in the TSF on sunday with me and a few other guys off here? Saturday we'll be working on Chickenmungas truck- installing a lift and sliders, and then sunday we'll be going wheelin.
     
  4. Dec 16, 2009 at 11:47 PM
    #4
    Bachenstien

    Bachenstien [OP] Well-Known Member

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    My truck is up on blocks lol. I am working sun. Where is TSF?
     
  5. Dec 16, 2009 at 11:52 PM
    #5
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the old Taco's.... new Tundra is pretty stock
    ah, well thats too bad. TSF= Tillmook State Forest. Maybe you've heard of Browns camp? Thats in the Tillamook State Forest, and probably where we'll be out wheelin.:cool:
     
  6. Dec 16, 2009 at 11:53 PM
    #6
    Bachenstien

    Bachenstien [OP] Well-Known Member

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    yeah hearda browns camp. Isnt there a bunch o snow up there?
     
  7. Dec 17, 2009 at 12:00 AM
    #7
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the old Taco's.... new Tundra is pretty stock
    dont know... guess we'll find out! :p

    Although i'd have to say, if there was a bunch of snow, a lot has probably melted since the weather has warmed so much over the last few days.
     
  8. Dec 17, 2009 at 1:59 AM
    #8
    Bachenstien

    Bachenstien [OP] Well-Known Member

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  9. Dec 17, 2009 at 2:25 AM
    #9
    Janster

    Janster Old & Forgetful

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    Are you doing the install yourself?

    If not....then I wouldn't bother with the 4.56gears. Hardly worth the $$ for installation versus any gains you'll get. Go with something higher (numerically) to make it really worth the difference.
     
  10. Dec 17, 2009 at 2:42 AM
    #10
    WhatThePho?

    WhatThePho? Greg Graffin 2016

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    Going form 4.30 to 4.56 wouldn't make much of a difference, I would go with 4.88.
     
  11. Dec 17, 2009 at 11:11 PM
    #11
    08pretaco

    08pretaco Almost there

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    how would the 4.88's play out on gas for instance with some 33's?
     
  12. Dec 18, 2009 at 4:08 AM
    #12
    Janster

    Janster Old & Forgetful

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    I would venture to say it's really hard to say how the gas mileage will be affected. Every situation is different...... When you start lifting, adding modifications, different wheels/tires, other mods - you really can't compare from one person/truck to the other.

    Are you more concerned with stomping on the gas and the truck actually accelerating quickly? Or are you more concerned about gas mileage?

    And if you offroad at all and crawl in 4lo - the 4.88's will be a benefit in slower crawl speeds.
     
  13. Dec 18, 2009 at 6:12 AM
    #13
    Tacoyota

    Tacoyota senile member

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    This is a generalization here:
    the gears wont really change mpg if they put the r.p.ms back to stock based on bigger tires, the bigger tires / knobbier tires and the larger rotation mass do decrease mpg. Assuming you went to 4.88 my guess would be -2 mpg, thats based on an old dodge w regeared back in the early 90s and not a real accurate comparison.
     
  14. Dec 19, 2009 at 7:26 AM
    #14
    08pretaco

    08pretaco Almost there

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