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1G Starting my manual to auto swap.....

Posted by SasaniFab, Dec 1, 2017

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  1. SasaniFab

    SasaniFab Freelancer

    2,156
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    Joined Dec 1, 2013
    danbury, Connecticut
    So some of you may know Im converting my 1g from manual to auto. I recently picked up an entire swap, which included a 4 bolt lsd rear, transmission, mounts, shifter assembly and cable, 2 flex plates, axles and 1/2 shaft mount, oem converter and tcu. My biggest concern revolves around the tcu, I recently purchased the forced four 100.1 with handheld gauge. Because im using this doesnt this technically take the place of the tcu. Lets say I wanted to use the tcu, were does this even plug in? Is their an entire harness that I would have to find to allow me to use it?
     

    Street Build 3K  20

    1992 Eagle Talon TSi
    645 whp · 498 lb/ft · 1G DSM
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  2. donniekak

    donniekak DSM Wiseman

    4,686
    900
    Joined Mar 23, 2008
    Surprise, Arizona
    If you want to use a tcu you need an auto engine/trans harness. The shift box will also need custom wired to the trans without one (easier than it sounds).
     

    Street Build 4K  0

    1991 Eagle Talon TSi AWD
    manual · 1G DSM
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  3. SasaniFab

    SasaniFab Freelancer

    2,156
    591
    Joined Dec 1, 2013
    danbury, Connecticut
    Is the tcu mounted in the bay or in the cabin
     

    Street Build 3K  20

    1992 Eagle Talon TSi
    645 whp · 498 lb/ft · 1G DSM
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  4. donniekak

    donniekak DSM Wiseman

    4,686
    900
    Joined Mar 23, 2008
    Surprise, Arizona
    It's mounted between the ecu and firewall in the cabin, and shares the engine harness with the ecu.
     

    Street Build 4K  0

    1991 Eagle Talon TSi AWD
    manual · 1G DSM
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  5. SasaniFab

    SasaniFab Freelancer

    2,156
    591
    Joined Dec 1, 2013
    danbury, Connecticut
    The swap has begun
     

    Attached Files:

    Street Build 3K  20

    1992 Eagle Talon TSi
    645 whp · 498 lb/ft · 1G DSM
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    ChessmoDSM likes this.
  6. OH91awd

    OH91awd Proven Member

    642
    284
    Joined Sep 22, 2011
    chillicothe, Ohio
    toss the tcu if its an eprom up for sale and just run the forced four box. the tcu will cause you nothing but issues from what ive read. im running a forced four box only on my street car and it drives like a dream.
     

    Drag Race Build 2K  17

    1992 Eagle Talon TSi AWD
    10.89 @ 125.67 · 1G DSM
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  7. SasaniFab

    SasaniFab Freelancer

    2,156
    591
    Joined Dec 1, 2013
    danbury, Connecticut
    I decided with the forced four shift box. The motor is back in. Keeping it moving
     

    Attached Files:

    Street Build 3K  20

    1992 Eagle Talon TSi
    645 whp · 498 lb/ft · 1G DSM
    Loading...
  8. b00stedtalon2

    b00stedtalon2 Proven Member

    633
    504
    Joined Dec 19, 2005
    Detroit, Michigan
    Good choice with the shiftbox!
     

    1K  1

    1994 Mitsubishi Evo
    automatic · Lancer Evolution

    Street Build 3K  1

    1993 Eagle Talon TSi AWD
    9.585 @ 143.96 · 1G DSM
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  9. Dstarperformance01

    Dstarperformance01 Proven Member

    708
    130
    Joined Mar 5, 2016
    Mustang, Oklahoma

    Street Build 2K  0

    1993 Eagle Talon TSi AWD
    automatic · 1G DSM
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  10. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

    4,559
    1,997
    Joined Nov 14, 2013
    Independence, Kansas
    I have factory shift maps if using a 100.1
    Auto shift feature is cool. Time it right and work up to the shift point you want. If I had the shift maps on my phone I would post them. I do think I posted them at one time, maybe in a review Thx @Dstarperformance01. :thumb:
     

    Street Build 3K  27

    1992 Eagle Talon TSi AWD
    awd · automatic · 1G DSM

    528  14

    1990 Mitsubishi Eclipse GSX
    awd · manual · 1G DSM

    446  18

    1967 Chevrolet Camaro RS
    rwd · automatic · Misc Vehicles

    Street Build 642  4

    1998 Eagle Talon TSi
    fwd · manual · 2G DSM

    Street Build 5K  11  25

    1990 Eagle Talon TSi AWD
    13.620 @ 108.460 · 1G DSM
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    Dstarperformance01 likes this.
  11. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

    4,559
    1,997
    Joined Nov 14, 2013
    Independence, Kansas

    Street Build 3K  27

    1992 Eagle Talon TSi AWD
    awd · automatic · 1G DSM

    528  14

    1990 Mitsubishi Eclipse GSX
    awd · manual · 1G DSM

    446  18

    1967 Chevrolet Camaro RS
    rwd · automatic · Misc Vehicles

    Street Build 642  4

    1998 Eagle Talon TSi
    fwd · manual · 2G DSM

    Street Build 5K  11  25

    1990 Eagle Talon TSi AWD
    13.620 @ 108.460 · 1G DSM
    Loading...
    Dstarperformance01 likes this.
  12. SasaniFab

    SasaniFab Freelancer

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    danbury, Connecticut
    Lil update guys.... the engine bay cleanup is complete. The auto swap continues, I cleaned up the lsd auto rear diff and sprayed the case. I got the flex plate mounted.I couldnt get the crankdowel out so I had grind it flush. Just waiting for the torque conv and tranny.
     

    Attached Files:

    Street Build 3K  20

    1992 Eagle Talon TSi
    645 whp · 498 lb/ft · 1G DSM
    Loading...
  13. SasaniFab

    SasaniFab Freelancer

    2,156
    591
    Joined Dec 1, 2013
    danbury, Connecticut

    Street Build 3K  20

    1992 Eagle Talon TSi
    645 whp · 498 lb/ft · 1G DSM
    Loading...
  14. SasaniFab

    SasaniFab Freelancer

    2,156
    591
    Joined Dec 1, 2013
    danbury, Connecticut
    So im making some progress boys. I had to change the rear and front mounts as i forgot. I ran the shift cable through the manual tunnel and mounted the shifter. The rewire is almost complete. I just need to mount the j1h rear diff and rewire the car for the battert in the rear .
     

    Attached Files:

    Street Build 3K  20

    1992 Eagle Talon TSi
    645 whp · 498 lb/ft · 1G DSM
    Loading...
  15. blk91tsiawd

    blk91tsiawd Proven Member

    108
    0
    Joined Dec 5, 2003
    Concord, North Carolina
    Not sure if you are past this point yet but when I did mine last year there was a couple bolts different lengths that I needed. I believe it was one starter bolt was different and 2-3 transfer case bolts. I can did up exact sizes if you need them, every auto swap article I read never mentioned about those bolts being different.
     

    Street Build 957  3

    1992 Mitsubishi Eclipse GSX
    awd · automatic · 1G DSM
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  16. SasaniFab

    SasaniFab Freelancer

    2,156
    591
    Joined Dec 1, 2013
    danbury, Connecticut
    Any info would be appreciated
     

    Street Build 3K  20

    1992 Eagle Talon TSi
    645 whp · 498 lb/ft · 1G DSM
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  17. blk91tsiawd

    blk91tsiawd Proven Member

    108
    0
    Joined Dec 5, 2003
    Concord, North Carolina
    This is what I had wrote down when I did swap...

    One longer bolt for starter because trans housing thicker where starter connects and tcase is alil different. You need two more of the shorter bolts. So it’s 4 short and two long bolts for Auto tcase.

    Good luck on it.
     

    Street Build 957  3

    1992 Mitsubishi Eclipse GSX
    awd · automatic · 1G DSM
    Loading...
  18. SasaniFab

    SasaniFab Freelancer

    2,156
    591
    Joined Dec 1, 2013
    danbury, Connecticut
    Auto diff is in...
     

    Attached Files:

    Street Build 3K  20

    1992 Eagle Talon TSi
    645 whp · 498 lb/ft · 1G DSM
    Loading...
    buddahboost likes this.
  19. brian9397gsx

    brian9397gsx Proven Member

    1,153
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    Joined Apr 28, 2008
    sioux city, Iowa
    Nice axle stock. I'm rocking a 3 bolt auto when it pops I'll rebuild my manual 4 bolt with the ring and pinion from the 3. I doubt that it will be any time soon.
     
    brian9397gsx

    2K  0

    1993 Mitsubishi Eclipse GSX
    awd · automatic · 1G DSM
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  20. SasaniFab

    SasaniFab Freelancer

    2,156
    591
    Joined Dec 1, 2013
    danbury, Connecticut
    I have another 4 bolt auto on the way and another set of axles LOL
     

    Street Build 3K  20

    1992 Eagle Talon TSi
    645 whp · 498 lb/ft · 1G DSM
    Loading...
  21. BoostedTalonTS

    BoostedTalonTS Proven Member

    628
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    Joined Mar 21, 2002
    Bay Area, California
    Just an FYI here, coming from a factory 94 AT AWD car...

    a) The factory AT shifter cable runs through a small grommet in the drivetrain tunnel. It might not reach and/or connect at the right angle if you used the MT cable pass-through provision in the firewall.

    b) The factory AT AWD fore & aft motor mount brackets can accept the AWD MT motor mounts. It's a tight fit, but they do work with the Prothane full insert MT mounts.

    c) I made a few extra modifications to the Kiggly NSS / Diode Shift Mod (found here), that retains the factory starter interrupt and the reverse light functionality. As an extra precaution, I also bound 4th gear (formerly OD) to third gear's NSS output, to correct any accidental miss shifts. If you want a full stand-alone, manually shifted AT, then this is your mod. It cost me around $8 in diodes & one extra Mitsu 4 pin relay to wire up. No shift points to consider... whatever gear is selected is what gear you'll be in. Nice & simple. -I thought that I'd throw that in, in the event that you were still on the fence over running the TCU vs the Shift box... this was the best of both worlds, in my case.

    Hope this helps:thumb:
     

    2K  22

    1994 Eagle Talon TSi AWD
    12.760 @ 112.400 · 1G DSM
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  22. SasaniFab

    SasaniFab Freelancer

    2,156
    591
    Joined Dec 1, 2013
    danbury, Connecticut
    My buddy ran his cable this way and had no difficulty? Can u show me the location the shifter mount location on the firewall
     

    Street Build 3K  20

    1992 Eagle Talon TSi
    645 whp · 498 lb/ft · 1G DSM
    Loading...
  23. brian9397gsx

    brian9397gsx Proven Member

    1,153
    90
    Joined Apr 28, 2008
    sioux city, Iowa
    Yeah I first ran mine through the manual shift hole and I didn't like it. I pulled the dash and made a template, cut the hole in the floor and used riv nuts through the floor to attach the cable like it would of been factory. It was a lot of extra screwing around but I'm happy with it. I'm anal with small details like that. I'll have to update my build thread.
     
    brian9397gsx

    2K  0

    1993 Mitsubishi Eclipse GSX
    awd · automatic · 1G DSM
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  24. Pulids27

    Pulids27 Probationary Member

    11
    1
    Joined Jun 27, 2017
    Ventura, California
    Stay as much detailed as you can please. My AT is getting built as we speak and I have a MT dsm that i will also convert into a AT. When i bought the drivetrain of the AT the wiring on the trans is all jacked up (cut up, spliced, etc) hope it doesnt become a problem. Im also well concerned about the motor mounts/Transmission mounts. No one makes any or dont even mention it but many say that they fit and many say that they dont and if they make them fit the degrees of everything that has to be angled is off by so much and in reality that could be a problem for the drivetrain with time. Thanks for the thread!
     
  25. SasaniFab

    SasaniFab Freelancer

    2,156
    591
    Joined Dec 1, 2013
    danbury, Connecticut
    Motor mounts are simple. U need the rear, front and passenger side mount from the auto. U can use the manual mount mount for the driver side and front and rear. You need the auto mounts that bolts to the block. The mounts that bolt to the crossmember dont matter. I purchased the transmission mount from rock auto.
     

    Street Build 3K  20

    1992 Eagle Talon TSi
    645 whp · 498 lb/ft · 1G DSM
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