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Lets talk Difs.

Posted by D's GS-T, Apr 26, 2011

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  1. DJRace

    DJRace Proven Member

    75
    20
    Joined Feb 9, 2017
    Walla Walla, Washington
    GRNDSM:Weir will work on your diff. Evo 3 & 4 use the same plates but different cover.
    This is for his summit van. You're like the 3d person to get confused by that! Haha
     

    Rally Build 1K  6

    1997 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  2. ec17pse

    ec17pse Freelancer

    3,424
    1,318
    Joined Nov 1, 2008
    London, Europe
    LOL this makes alot of sense now! when he said Summit I actually just thought of Summit racing haha, thanks for clearing it up
     

    Road Race Build 8K  10  50

    1997 Mitsubishi Eclipse GST
    175 whp · 180.1 lb/ft · 2G DSM
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    TSiAWD666 and DJRace like this.
  3. DJRace

    DJRace Proven Member

    75
    20
    Joined Feb 9, 2017
    Walla Walla, Washington
    Thats too perfect! HaLOL ...also I read the whole thread this morning so it's fresh for me.
     

    Rally Build 1K  6

    1997 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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    ec17pse likes this.
  4. scotthidley

    scotthidley Proven Member

    101
    8
    Joined Nov 7, 2004
    Broad Brook, Connecticut
    Finally got my 3rd diff delivered. I'm going to be switching over to Evo3 rear, 4 spyder center, Kaaz front.

    a40.jpg

    I should send my Quaife center in for a new housing so I can finally get rid of it. Installing these is going probably going to be a slow process for me. I want to do the rear on it's own so I can notice the differences better. I'd like to get the car tuned before pulling the tranny to install the others.
     
    lglracer and DJRace like this.
  5. ViciousLord

    ViciousLord Proven Member

    394
    58
    Joined Jul 27, 2005
    Orlando, Florida
    Bump for my confusion...

    1st pic proves that I have a rear diff
    2nd pic shows both rear axles out of the diff
    3rd pic shows same axles next to the inner Evo 1-3 inner axle cups.

    Maybe I didn't notice it in this thread but I didn't see anyone else with a shorter input shaft input the diff on one side.
     

    Attached Files:

    Street Build 627  1

    1997 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM
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  6. ileagleracing

    ileagleracing Proven Member

    218
    105
    Joined Sep 27, 2007
    Midwest City, Oklahoma
    Looks just like my stuff, except I've already swapped the Evo axle cups onto the LSD axles. Forget which side had the longer OEM axle cup, got it written down somewhere. Should be installing the rear subframe and diff this weekend.
     

    Autocross Build 4K  28

    1995 Eagle Talon TSi AWD
    160 whp · 190 lb/ft · 2G DSM

    Autocross Build 6K  28

    1998 Eagle Talon TSi AWD
    313 whp · 305 lb/ft · 2G DSM
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  7. ViciousLord

    ViciousLord Proven Member

    394
    58
    Joined Jul 27, 2005
    Orlando, Florida
    Thanks I went back a few pages and confirmed.
     

    Street Build 627  1

    1997 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM
    Loading...
  8. ACM

    ACM Proven Member

    678
    55
    Joined Dec 11, 2002
    Jamaica Plain, Massachusetts
    The axle assemblies are from an OEM VC rear diff - the 'short' stub is the one catching people out, it will slot into a mechanical LSD, but it won't click into place.
     
  9. ileagleracing

    ileagleracing Proven Member

    218
    105
    Joined Sep 27, 2007
    Midwest City, Oklahoma
    Who are you? I know you don't need an operational DSM to post in these forums, but I thought you retired :p
     

    Autocross Build 4K  28

    1995 Eagle Talon TSi AWD
    160 whp · 190 lb/ft · 2G DSM

    Autocross Build 6K  28

    1998 Eagle Talon TSi AWD
    313 whp · 305 lb/ft · 2G DSM
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  10. ACM

    ACM Proven Member

    678
    55
    Joined Dec 11, 2002
    Jamaica Plain, Massachusetts
    I might be retired but I still have (a piece of) my mind :)
     
  11. gsxitement

    gsxitement Proven Member

    639
    440
    Joined Dec 9, 2002
    staten island, New York
    Just curious, seeing as how this is the Evo3 diff discussion, but for you folks that have it installed with some miles on a stock Evo3 LSD, how bad is your slow speed, tight turn, inner wheel hop/skipping? I talked to a couple folks who said it could be pretty intense. Just moving my car around the shops parking lot, It was skipping and hopping the rear pretty rough. Hoping it doesn't behave the same on track this weekend.
     

    1K  9

    1998 Mitsubishi Eclipse GSX
    11.930 @ 119.000 · 2G DSM
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  12. TSiAWD666

    TSiAWD666 Freelancer

    2,149
    559
    Joined Aug 15, 2003
    Herndon, Virginia
    Were you really skipping and hopping or was the diff just making loud clacking noises?
     

    Road Race Build 14K  12  371

    1999 Mitsubishi Eclipse GSX
    377 whp · 416 lb/ft · 2G DSM
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  13. gsxitement

    gsxitement Proven Member

    639
    440
    Joined Dec 9, 2002
    staten island, New York
    Skipping and hopping.
     

    1K  9

    1998 Mitsubishi Eclipse GSX
    11.930 @ 119.000 · 2G DSM
    Loading...
  14. gsxitement

    gsxitement Proven Member

    639
    440
    Joined Dec 9, 2002
    staten island, New York

    I am on Toyo RRs, maybe that has something to do with it?
     

    1K  9

    1998 Mitsubishi Eclipse GSX
    11.930 @ 119.000 · 2G DSM
    Loading...
  15. Scott McIntyre

    Scott McIntyre DSM Wiseman

    287
    38
    Joined Mar 15, 2002
    Halifax, NS, Canada
    I have EVO8 innards in my rear diff and it drives like stock in low speed tight turns.
     

    2K  0

    1997 Eagle Talon TSi AWD
    manual · 2G DSM
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  16. gsxitement

    gsxitement Proven Member

    639
    440
    Joined Dec 9, 2002
    staten island, New York

    Is it a USDM Evo8 diff? If it is, did you rearrange the plates? The USDM diff has the plates arranged in a way that makes it less harsh.
     

    1K  9

    1998 Mitsubishi Eclipse GSX
    11.930 @ 119.000 · 2G DSM
    Loading...
  17. Canadian_CD9A

    Canadian_CD9A Proven Member

    452
    156
    Joined Feb 10, 2012
    Winnipeg, MB, Canada
    I do think something is very wrong in that diff. Change out the fluid for something else that's known to work, it's one step you can eliminate. I do think that it's going to pack itself in like mine did if you don't address it. Usage made mine worse, not better. If it is still on break-in, try doing figure 8s for a few minutes - does it get any better?
     
  18. gsxitement

    gsxitement Proven Member

    639
    440
    Joined Dec 9, 2002
    staten island, New York
    I'm using DiaQueen gear oil. That's what TRE and most other people recommend. Haven't really had a chance to do figure 8's. It's a track only car so I'll have to wait till I'm at the track this Saturday to go in the paddock and do a few. Only place I have enough room.
     

    1K  9

    1998 Mitsubishi Eclipse GSX
    11.930 @ 119.000 · 2G DSM
    Loading...
  19. TSiAWD666

    TSiAWD666 Freelancer

    2,149
    559
    Joined Aug 15, 2003
    Herndon, Virginia
    It should not be doing that. I think something's wrong.
     

    Road Race Build 14K  12  371

    1999 Mitsubishi Eclipse GSX
    377 whp · 416 lb/ft · 2G DSM
    Loading...
  20. gsxitement

    gsxitement Proven Member

    639
    440
    Joined Dec 9, 2002
    staten island, New York
    I'm gonna do some figure 8's when I get to the track Saturday morning. Hopefully it improves. We're going to turn some laps with it and see how it does. If it's not right or unsafe, we'll pack up and try to fix it before the next event at Pocono at the end of the month .
     

    1K  9

    1998 Mitsubishi Eclipse GSX
    11.930 @ 119.000 · 2G DSM
    Loading...
  21. Scott McIntyre

    Scott McIntyre DSM Wiseman

    287
    38
    Joined Mar 15, 2002
    Halifax, NS, Canada
    Yes, stock USDM Evo8 diff.
     

    2K  0

    1997 Eagle Talon TSi AWD
    manual · 2G DSM
    Loading...
  22. gsxitement

    gsxitement Proven Member

    639
    440
    Joined Dec 9, 2002
    staten island, New York
    I put 4 miles of figure 8's and circles on the car yesterday at a big parking lot. Definitely seemed to do the trick. MVIMG_20180409_174245.jpg
     

    1K  9

    1998 Mitsubishi Eclipse GSX
    11.930 @ 119.000 · 2G DSM
    Loading...
    Black95TSIawd likes this.

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