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so i did a lot of foot work

Discussion in 'Drivetrain' started by Mafix, Nov 10, 2007.

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  1. Mafix

    Mafix Owner Staff Member Administrator Donated!

    and this is what i've come up with for a trans for Nemesis

    fe
    1: 3.29:1
    2: 2.04:1
    3: 1.32:1
    4: 1.03:1
    5: 0.82:1
    Final: 4.18:1

    gts
    1: 3.29:1
    2: 2.04:1
    3: 1.32:1
    4: 1.03:1
    5: 0.82:1
    Final: 3.74:1

    at
    1: 3.58:1
    2: 2.05:1
    3: 1.33:1
    4: 0.97:1
    5: 0.73:1
    Final: 4.29:1

    mr2 na
    1: 3.285:1
    2: 1.960:1
    3: 1.322:1
    4: 1.028:1
    5: 0.820:1
    Final: 4.176

    mr2t
    1: 3.23:1
    2: 1.91:1
    3: 1.32:1
    4: 0.92:1
    5: 0.73:1
    Final: 4.29:1


    willie trans config mabye
    fe final drive 4.18 :1
    1fe 3.29 :1
    2at 165 2.05 :1
    3at 165 1.33 :1
    4fe 1.03 :1
    5at 165 0.73 :1


    now eric is going to check and see if we can actually swap the gears accordingly. i certainly hope so.

    the only gear i would like to have is mr2t first gear but that's not going to happen. worst case i may have to get a mr2t trans and go from there but i hope not. so this gear set coupled with a helical LSD should work out great. anyone who has a better/different idea please chime in.
     
    Mafix, Nov 10, 2007
    #1
  2. rye

    rye Well-Known Member Donated!

    Will the .01 make that much of a difference to swap out all those gears from the fe tranny??
     
    rye, Nov 11, 2007
    #2
  3. Mafix

    Mafix Owner Staff Member Administrator Donated!

    on 2nd and 3rd, yes it will make them longer. and with that 5th gear i should top 170mph before redline i think.
     
    Mafix, Nov 11, 2007
    #3
  4. XR Pilot

    XR Pilot Well-Known Member

    Are you sure on the ratios? Maybe aussie ones are different but 3sge ST162's here got a 4.176 final drive ratio whilst 3SFE cars got a 3.7xx ratio, both are S53 gearboxes, NA MR2's got a 4.176 S54 (we got the 3SGE version) whilst all 5SFE's got a 3.944 S54 gearbox. I have all the gear ratios written down somewhere, but from memory most of the ratios are the same its just the final drive ratio that varies due to a single tooth change either way from 3.944 on the crownwheel or pinion, I forget which.
     
    XR Pilot, Nov 12, 2007
    #4
  5. 86GTMonkey

    86GTMonkey Well-Known Member

    According to Youds' thread in the Technical Archives section, the GTS final drive is a 4.18.
     
    86GTMonkey, Nov 12, 2007
    #5
  6. CrazyAchmed

    CrazyAchmed Well-Known Member Donated!

    They probably rounded it up when Youds got the info because XR Pilot is saying 4.176...
     
    CrazyAchmed, Nov 12, 2007
    #6
  7. mephtar

    mephtar Well-Known Member

    @ 100 MPH what will the FE RPM be greater or less than a GTS (GE)?
     
    mephtar, Nov 12, 2007
    #7
  8. Mafix

    Mafix Owner Staff Member Administrator Donated!

    depends on trans, ge trans have less rpm to MPH while the fe trans has more rpm/mph. alltrac trans is the oddball due to the AWD.
     
    Mafix, Nov 13, 2007
    #8
  9. 86GTMonkey

    86GTMonkey Well-Known Member

    Well, I remember in my GT with a 2SE 110mph was getting near redline, and it uses the same tranny as the FE. Haven't gone that fast in my GTS yet, but 95mph is somewhere in the 5k range, iirc.
     
    86GTMonkey, Nov 13, 2007
    #9
  10. Mafix

    Mafix Owner Staff Member Administrator Donated!

    what?!?!? that can't be right. top speed on the fe trans with a 6400 rpm redline is 145. i KNOW the ge trans will go much farther past that.
     
    Mafix, Nov 13, 2007
    #10
  11. 86GTMonkey

    86GTMonkey Well-Known Member

    Hm. I thought the 2SE used the same tranny as the FE. Guess not, or I'm not remembering correctly.
     
    86GTMonkey, Nov 13, 2007
    #11
  12. CrazyAchmed

    CrazyAchmed Well-Known Member Donated!

    Maybe in 3rd gear? Doubt it in 5th.
     
    CrazyAchmed, Nov 13, 2007
    #12
  13. ssscorpin110

    ssscorpin110 Guest

    i could be totally wrong but i think some people are talking in miles per hour and others are talking in kilometers per hour which would screw this whole conversation up... at least thats what it looks like to an innocent bystander lol.
     
    ssscorpin110, Nov 13, 2007
    #13
  14. rye

    rye Well-Known Member Donated!

    I think he's talking about his tranny on his engine doing 95mph in 3rd hahaha
     
    rye, Nov 13, 2007
    #14
  15. 86GTMonkey

    86GTMonkey Well-Known Member

    It's been a while since I did a speed run in my GT-S, so more than likely I am remembering the RPMs wrong.

    Mike, I was in 4th going 95, but still, probably not remembering revs clearly.
     
    86GTMonkey, Nov 14, 2007
    #15
  16. Dman_23

    Dman_23 Guest

     
    Dman_23, Nov 16, 2007
    #16
  17. Mafix

    Mafix Owner Staff Member Administrator Donated!

    nope. the FE is much taller then the GTS
     
    Mafix, Nov 16, 2007
    #17
  18. Gurr

    Gurr Guest

    Wouldn't the gts final give you longer gearing?

    this shows you speeds vs your gears and rpms. Maybe this will help you more
    http://www.f-body.org/gears/
     
    Gurr, Nov 16, 2007
    #18
  19. Mafix

    Mafix Owner Staff Member Administrator Donated!

    yes a gts will give bigger gears all around but it's too much gear for the strip.
     
    Mafix, Nov 16, 2007
    #19
  20. Dman_23

    Dman_23 Guest

    Well I think I need an FE box in my race car then - that would give higher revs at a lower speed, and better acceleration right? Hmm now to calculate the difference and see if I will be hitting the fuel cut or not.
     
    Dman_23, Nov 16, 2007
    #20
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