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4.56s or 4.88s?

Discussion in '4 Cylinder' started by hillbilly taco, Nov 13, 2012.

  1. Nov 13, 2012 at 5:15 PM
    #1
    hillbilly taco

    hillbilly taco [OP] Well-Known Member

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    4.56s OR 4.88s with 285s on your 2.7?Is 4.56s enough is 4.88s to much?
     
  2. Nov 13, 2012 at 5:19 PM
    #2
    Slimwood Shady

    Slimwood Shady I love your mom!

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    4.88 is WAY too much
     
  3. Nov 13, 2012 at 5:20 PM
    #3
    ColtsTRD

    ColtsTRD .....

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    4.56 would be good
     
  4. Nov 14, 2012 at 2:21 PM
    #4
    hillbilly taco

    hillbilly taco [OP] Well-Known Member

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    I had already ordered 4.88s.but I called company they said I pay 26.00 shipping and send them back.they will overnite me 4.56s for free.Sounds like this will be well worth my 26.00$.Im mostly on the blacktop anyway.
     
  5. Nov 14, 2012 at 6:14 PM
    #5
    Madmax702

    Madmax702 Well-Known Member

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    Could someone explain how/why 4.88's would be too much? just out of curiosity...

    I understand the rpms will be higher at highway speeds, and one would have to shift more often accelerating to speed, but where does the negatives come into play?

    Then, when in 4LO, the gearing would be even lower right??

    How much of a difference is there between 4.56 and 4.88?

    thanks :confused:
     
  6. Nov 14, 2012 at 6:16 PM
    #6
    MightyMouse-SCT

    MightyMouse-SCT Well-Known Member

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    4.88 are not way too much . I know a couple of people who run them with 33's and love them . Could be a bit low if you are running a lot of highway miles though .
     
  7. Nov 14, 2012 at 6:18 PM
    #7
    Max-4_Yota

    Max-4_Yota The Welfare Cadilac

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    I personally don't have either. But, talking with others has led me to say 4.88's. The guys I have talked to said 4.56's weren't enough of a jump to justify the cost of the gears. One guy even went up to 4.88's. Those trucks were 3.4's too. If I were going to regear it would be to 4.88's. Just my $0.02
     
  8. Nov 15, 2012 at 4:36 PM
    #8
    hillbilly taco

    hillbilly taco [OP] Well-Known Member

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    I run a 4ply 265 in the winter with factory wheels for more power in the snow.Pretty light combo.Would 4.88s be to much ? I run a 8ply 285 in the summer.Almost twice the weight.Would 4.56s be enough?
     
  9. Nov 15, 2012 at 4:48 PM
    #9
    maxamillion2345

    maxamillion2345 Go home if you don't like guns liquor and whores.

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    My suggestion is to look at stock RPMS with your transmission ratios (probably your OD) and stock sized tires and stock gears. Then look again with stock gears and whatever sized tire you run. Then again with 4.56s and once more with 4.88s. All for varying speeds.

    For me with 35s, 4.56s, and 6 spd MT I run 80 mph and 3000 RPMs.

    I wouldn't want higher because I do run 80 with frequency and for long durations.

    Evaluate your needs.

    Might also look at the torque curve of your engine. And see where which gears will put you where at what speeds.
     
  10. Nov 15, 2012 at 4:51 PM
    #10
    hard2kill

    hard2kill Well-Known Member

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    with the 4cyl id deff get 4.88's us 6cyl guys only need 4.56's ........keep the 4.88's will help when u tow or haul a heavy load...expecially if your wheeling.....slightly higher highway rpms are worth the extra power and offroad ability
     
  11. Nov 15, 2012 at 4:53 PM
    #11
    Spoonman

    Spoonman Granite Guru

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    Lots of highway, lots of offroad.
     
  12. Nov 15, 2012 at 4:55 PM
    #12
    maxamillion2345

    maxamillion2345 Go home if you don't like guns liquor and whores.

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    You can get away 4.88s Jamie, with that auto trans OD your RPMs will be close to mine at 80 MPH
     
  13. Nov 15, 2012 at 4:57 PM
    #13
    MightyMouse-SCT

    MightyMouse-SCT Well-Known Member

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    When I lock up I'll run 4.56 but im running 32's and drive highway miles also .
     
  14. Nov 15, 2012 at 5:00 PM
    #14
    Spoonman

    Spoonman Granite Guru

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    Alright thanks. I want 4lo to be nice and low. I don't generally go 80 either. Highest speed limit here is 65. I'll give 4:88 a try.
     
  15. Nov 15, 2012 at 5:03 PM
    #15
    maxamillion2345

    maxamillion2345 Go home if you don't like guns liquor and whores.

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    You'll be golden.
     
  16. Nov 15, 2012 at 5:06 PM
    #16
    hard2kill

    hard2kill Well-Known Member

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    agree with max
     
  17. Nov 15, 2012 at 5:13 PM
    #17
    especk

    especk Nothin' Special

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    firm believer in 4,88s here after having them for a couple years - i personally wounldnt go any other way with 33s and the 2,7.

    4.56 would work if you do a lot of flat highway driving without a lot of hills and dont offroad much.

    I get 20 mpg on the highway going 72 mph at 2700 rpm
     
  18. Nov 15, 2012 at 5:36 PM
    #18
    97yota4wd

    97yota4wd Well-Known Member

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    4.88s here with 33s and a 4 cylinder, LOVE IT. wouldnt do it any other way
     
  19. Nov 16, 2012 at 11:37 AM
    #19
    ARkansasTAco521

    ARkansasTAco521 Well-Known Member

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    On the subject of reagearing, How can I tell if my truck has been regeared??
    Per sticker on the door it came out with 225/75-r15, one of the previous owners put 31 10.5 r15s on it its a 98 2.7l 5spd originally came with 4.10 gears. How could i tell if they have been changed
     
  20. Nov 16, 2012 at 1:47 PM
    #20
    hillbilly taco

    hillbilly taco [OP] Well-Known Member

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    Thanks for all input.Thank Ill just stick with my orginal plan.And have the 4.88s installed tuesday.Just wanted some input to make sure I wasnt messing up.But I think up here in the mountains Ill be fine with 4.88s.THANKS AGAIN!!
     
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