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6 Speed Transmission

Posted by ian_maham, Jan 5, 2010

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  1. ian_maham

    ian_maham Proven Member

    259
    1
    Joined Dec 3, 2007
    O'Fallon, Illinois
    Has anyone successfully put a 6 speed transmission into a 2g DSM? I was just thinking about it the other day and was wondering if it has been done. Seems like an idea worth trying, and if it is doable I wouldn't mind looking into it. Please don't say, "just stick with a 5 speed and call it a day",.

    Thanks,
    Ian
     
  2. hubz91talontsi

    hubz91talontsi Proven Member

    988
    3
    Joined Jul 30, 2007
    bentleyville, Pennsylvania
    94-96 3000gt vr4's run 6 speeds. They are obviously a little bigger. You would probably have to shift the motor over a little bit and have custom axles made.
     

    678  0

    1992 Eagle Talon TSi AWD
    · 1G DSM
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  3. El Cuervo

    El Cuervo Proven Member

    410
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    Joined Nov 7, 2004
    Omaha, Nebraska
    Yeah. That would be something good to have. I don't really like 5th gear on the dsms. Its too big (for lack of a better work). When crussing on the interstate, it almost feels as though the engine is asking for another gear beyond 5th. I just don't like crussing at 3000rpms. What is it? like about 70 miles or so? Don't remember well. My car is down at the momemt. But its somewhere around there. I would love to do at least 2000rpms on 70miles or so. I know its too much to ask but that would be great. Having a tallier gear as the highest gear would be great! Either 6 speed or 5speed. I read that the evo3 5th gear is taller (if I'm wrong at describing the higher gear as being taller please correct me) than the dsm 5th gear but not by much. Is it possible for someone to machine, build, create a much smaller, taller 5th gear? (much lower rpms yet higher mph). If a six speed transmission is not possible, can a 6th gear be installed in place of the 5th gear on out transmissions? Still, a six speed dsm would be very interesting to see. I wonder if anybody has done it?
     
    Idylio Neto likes this.
  4. 95blackGsTurbo

    95blackGsTurbo DSM Wiseman

    3,983
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    Joined Aug 10, 2003
    Cottage Grove, Minnesota
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  5. ian_maham

    ian_maham Proven Member

    259
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    Joined Dec 3, 2007
    O'Fallon, Illinois
    Yes, I saw that one. I saw that thread, thats 5 years old and never got much attention. So I figured I'd seen if anyone has made progress since.

    Ian
     
  6. natertater

    natertater Proven Member

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    Joined Jun 26, 2008
    san diego, California
  7. boostedjay32

    boostedjay32 Proven Member

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    Joined Dec 27, 2008
    Bell, California
    Get a taller 5th gear.
     

    382  0

    1997 Mitsubishi Eclipse GST
    manual · 2G DSM
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  8. El Cuervo

    El Cuervo Proven Member

    410
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    Joined Nov 7, 2004
    Omaha, Nebraska
    Whats the tallest 5th gear available for our cars? I know that the evo3 is 10%. Does someone make a taller 5th gear than the evo3 gear thats used on these trannies?
     
  9. Savage Talon

    Savage Talon Proven Member

    291
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    Joined Oct 3, 2004
    North Bay, California
    You can get a 6 speed from either Albins or PPG, but they are race transmissions designed to be close ratio and not top end. I looked at both and the 5 speeds had a taller 5th then the 6th. Your options other then that is a taller 5th (Evo3). Once upon a time I think TRE made a even taller custom 5th for our cars but no longer sells it.
     

    519  0

    1991 Eagle Talon TSi AWD
    11.561 @ 128.830 · 1G DSM
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  10. turbo addict

    turbo addict Proven Member

    430
    1
    Joined Apr 17, 2005
    Omaha, Nebraska
    stock ratio on a awd is .666 the evo3 is .610. the old tre custom is .500. It is way taller. But they haven't made them in a few years. Maybe if we could get enough people together they could do another run of them. But I don't think that we are that organized.
     
  11. Rob10_99

    Rob10_99 Proven Member

    1,659
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    Joined May 22, 2005
    Ptown, Arizona
    *cough*

    Group buy.
     

    1K  0

    1998 Eagle Talon TSi AWD
    29.320 @ 55.000 · 2G DSM
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  12. AndrewD5418

    AndrewD5418 Proven Member

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    West Bend, Wisconsin
    .500? That would be awesome to have!
     
  13. natertater

    natertater Proven Member

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    Joined Jun 26, 2008
    san diego, California
    you would be in boost heaven with that cruising the hiway...
     
  14. Savage Talon

    Savage Talon Proven Member

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    Joined Oct 3, 2004
    North Bay, California
    Scratch that I think I was wrong about PPG making a 6 speed. Just Albins makes them. No harm no foul.
     

    519  0

    1991 Eagle Talon TSi AWD
    11.561 @ 128.830 · 1G DSM
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  15. ian_maham

    ian_maham Proven Member

    259
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    Joined Dec 3, 2007
    O'Fallon, Illinois
    Ya I checked out tres site. I didnt even see a section for eclipse/talons anymore. Only Evos and 3000gt. Bummer. I will look into a taller 5th.

    At .500 what rpm do you think you would be cruising at around 70mph?
     
  16. reardrv

    reardrv Proven Member

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    Joined Oct 11, 2008
    Rochester, New Hampshire
    Forget PPG's unless your ballin, PPG's are a fortune (it would cost me over $5k to put PPG's in my WRX). I doubt the 3000GT tranny would work at all cause I'm pretty sure it has a wider bell housing. Another thing to take into account is that if you could get a six speed into a DSM the gears would have to be narrower (re: weaker). If you really want a six speed you could get a 4th gen. I've had one before, really nice Aisin 6-speed and very cheap to mod.
     
  17. boostedjay32

    boostedjay32 Proven Member

    325
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    Joined Dec 27, 2008
    Bell, California
    70mph @ 1k (35MPG) = heaven haha I WISH!
     

    382  0

    1997 Mitsubishi Eclipse GST
    manual · 2G DSM
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  18. El Cuervo

    El Cuervo Proven Member

    410
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    Joined Nov 7, 2004
    Omaha, Nebraska
    .500!! That would be one hell of a 5th gear!! LOL. I'd love that. To hell with a 6th speed. This would be great. Imagine having a much taller 5th gear! We need to have some form of a group buy. Something like a one time only. Have TRE fabricate one big batch for those that are interested and thats it. No more! Or do you guys think that shepard transmissions or jacks transmissions would do it? This should be a new option on their transmissions.
     
  19. red_devil

    red_devil Proven Member

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    Joined Jul 13, 2005
    Richmond, Virginia
    wouldnt a .555 ratio just turn our cars into a 4 speed with a eco gear like an older corvette? :nono:Id like a slightly taller 5th but not to the point were its useless other than mpg.
     

    2K  9

    1995 Mitsubishi Eclipse GSX
    manual · 2G DSM
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  20. El Cuervo

    El Cuervo Proven Member

    410
    6
    Joined Nov 7, 2004
    Omaha, Nebraska
    I personally don't shift into 5th gear unless I'm at interstate speeds. So this would be great for me.
     
  21. turbo addict

    turbo addict Proven Member

    430
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    Joined Apr 17, 2005
    Omaha, Nebraska
    On a 2gawd with evo size tires (235/45/17) at 70mph you would be between (2280 and 2300) I came up with 2289 if my numbers were correct.
     
  22. Boost_Addict_88

    Boost_Addict_88 Proven Member

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    Joined Dec 29, 2008
    Brazil, BC, Canada
    I'd like to have a taller 5th gear as well. Group buys for the win!

    I do a decent amount of highway driving myself, so this would be nice to have.
     
  23. viperlp01

    viperlp01 Proven Member

    2,148
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    Joined Oct 9, 2006
    Kalamazoo, Michigan
    The fwds have a different ratio. I cruise way lower with my 1g at 70 then with my 2g...
     

    2K  0

    1997 Eagle Talon TSi AWD
    9.737 @ 140.310 · 2G DSM
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