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90 dsm the best year?

Posted by 1cleangsx, Dec 6, 2018

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  1. 1cleangsx

    1cleangsx Proven Member

    211
    111
    Joined Sep 28, 2013
    Cheyenne, Wyoming
    Just wanted everyone’s opinion. I’m a biased proud owner of a 90 gsx. I know every year had it’s pros/cons. What’s your favorite? Things about the 90’ model I like are the straight cut oil pump gears, factory oil cooler and apparently the strongest/thickest 5 speed gear set from the factory, my trans is almost 30 years old! I haven’t dyno’d my car yet or achieved an impressive time slip yet on the fp red but it’s still not grinding any gears with 50+ lb/per min airflow on the fp red! I know some people hate on the 90 models but I think mitsubishi went the extra mile on the dsm’s debut model year, what do you guys think?
     

    Street Build 1K  11

    1990 Mitsubishi Eclipse GSX
    13.2 @ 104.64 · 1G DSM
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  2. Marchev

    Marchev Proven Member

    346
    73
    Joined Jan 31, 2009
    Niles, Illinois
    90-91.5 also had a stronger steel housing transfer case, but came with the weaker 3 bolt rear diff
     

    Autocross Build 3K  5

    1990 Eagle Talon TSi AWD
    awd · manual · 1G DSM
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  3. JusMX141

    JusMX141 Moderator

    12,761
    748
    Joined Dec 13, 2005
    Greensburg, Pennsylvania
    Pros: The external air-cooled oil cooler.
    Cons: Most other things are incompatible with all other 1G's. The throttle body, coil, power transistor, throttle body, transmission, the lighter but weaker all-aluminum transfer case, intercooler piping and blow off valve location, etc.

    It doesn't necessarily mean the 90 is a "bad" car, it's just harder to find parts for on a platform that will be turning 30 next year. So if you break something and you're stranded along the road somewhere, the chances of finding the right part are much slimmer.
     

    3K  0

    1998 Mitsubishi Eclipse GST
    manual · 2G DSM

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    1997 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM

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    1992 Eagle Talon TSi
    manual · 1G DSM

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    1993 Eagle Talon TSi AWD
    manual · 1G DSM
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    ist dwa likes this.
  4. 1cleangsx

    1cleangsx Proven Member

    211
    111
    Joined Sep 28, 2013
    Cheyenne, Wyoming
    I happened to score an awesome rebuilt90 throttle body from another member on here witch fixed an idle surge issue, I guess that’s the biggest drawback of the 90 model is the lack of interchangeability with the 91-92’s. I just think the 90’s are kind of unique but most intriguing being the trans gearset.
     

    Street Build 1K  11

    1990 Mitsubishi Eclipse GSX
    13.2 @ 104.64 · 1G DSM
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  5. Kryndon

    Kryndon Proven Member

    424
    242
    Joined Jan 10, 2014
    Bulgaria, Europe
    I'm curious, is there a way to determine whether a particular '90 model DSM will definitely have the stronger gearset in its transmission? Does it necessarily have to be on a turbo model? And additionally, are those gearsets interchangeable with other 1G/2G FWD/AWD trans?
     

    Street Build 3K  12

    1997 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  6. Vegas smith

    Vegas smith Proven Member

    2,994
    1,540
    Joined Dec 2, 2002
    Houston, Texas
    It's not that the 90 cars are bad cars, it's that the people who own the 90 car are losers/deadbeats. Kidding, also keep in mind there is a difference in the ecu.
     
    Last edited: Dec 7, 2018

    Street Build 3K  10

    1993 Eagle Talon TSi AWD
    awd · manual · 1G DSM
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  7. ErikTande

    ErikTande Supporting Member

    877
    268
    Joined Dec 17, 2012
    Centennial, Colorado
    Hey, I resemble that remark!
     

    Street Build 956  1

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

    4K  7

    1990 Mitsubishi Eclipse GSX
    13.2 @ 105 · 1G DSM
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    Vegas smith likes this.
  8. pauleyman

    pauleyman DSM Wiseman

    5,230
    1,068
    Joined Nov 19, 2011
    oklahoma city, Oklahoma
    The early transfer cases were aluminum not steel. Only the front housing. AFter 90 The front case on tcase was steel. 90-92 had 3 bolt rear ends
     

    Street Build 3K  1

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

    pauleyman DSM Wiseman

    5,230
    1,068
    Joined Nov 19, 2011
    oklahoma city, Oklahoma
    I had a 90 as my first dsm and I always hated that so many things were 90 only. Personally I preferred something a little newer and adding things that were improved. For instance a 91 or 92 car but add 93 up brakes and rear end. Transmission I don't care about as every car I've owned I've had to rebuild and when I do I just select the parts I want. 90 trans is easily not the best unit. 91 also for that matter. Differences are numerous inside the case. Intermediate shaft, center diff, 3rd gear pitch, 1/2 gears and hub/synchros. I scrapped half the inside of my 90 trans and upgraded it but kept the 90 shift levers and 22 spline output.
     

    Street Build 3K  1

    1997 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  10. 1cleangsx

    1cleangsx Proven Member

    211
    111
    Joined Sep 28, 2013
    Cheyenne, Wyoming
    I’ve ditched a couple of 1990 factory things that bugged me such as the goofy cruise control box, upgraded to a new non cruise cable and a pair of 1gb dual piston calipers, those single piston brakes were horrible LOL. Those were an easy swap tho. I guess there really are a lot of reasons not to get a 90 model LOL. I just started this thread because despite all of its year specific quirks I still love my car:hellyeah:
     

    Street Build 1K  11

    1990 Mitsubishi Eclipse GSX
    13.2 @ 104.64 · 1G DSM
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  11. ThunderChild

    ThunderChild Supporting VIP

    2,639
    783
    Joined Jan 5, 2012
    Rathdrum, Idaho
    Personally I like the 1gb style, and 92 versions with 6 bolt/4 bolt combos would he up there on my list (like mine :D). Only thing I would have asked for now is an auto, but I'll stick with a 5 speed till it blows!
     

    Street Build 402  3

    1990 Plymouth Laser N/T
    fwd · manual · 1G DSM

    502  8

    1987 Toyota Pickup/Hilux
    awd · manual · Misc Vehicles

    Street Build 1K  7

    1997 Mitsubishi Eclipse Spyder GST
    fwd · manual · 2G DSM

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    1992 Eagle Talon TSi AWD
    manual · 1G DSM

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    1992 Eagle Talon TSi AWD
    awd · manual · 1G DSM
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  12. 007jimmy

    007jimmy Proven Member

    1,472
    100
    Joined Feb 27, 2012
    Levittown, Pennsylvania
    90 was a bastard child but it was the inaugural year and it’s where all the madness began! Almost 30 years now
     

    Street Build 1K  25

    1997 Mitsubishi Eclipse GSX
    awd · automatic · 2G DSM
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  13. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

    5,044
    2,381
    Joined Nov 14, 2013
    Independence, Kansas
    Lets see, I have 5 I think.
    1990 Red Talon (profile car)
    1990 Red Laser (sister to Talon)
    1990 Black GSX donor
    1990 Maroon Talon donor, running
    1990 Blue GSX
    I have converted a few things with adaptor wiring to work with 91+ stuff.
    I grabbed up 3 of those for $300 or less each and see the value in PARTS since they are bastard children. I also have the 92 6/4 Auto car so I can see first hand the differences. I love my 90's! :thumb:
     

    Street Build 4K  28

    1992 Eagle Talon TSi AWD
    14.74 @ 117.04 · 1G DSM

    863  14

    1990 Mitsubishi Eclipse GSX
    awd · manual · 1G DSM

    622  18

    1967 Chevrolet Camaro RS
    rwd · automatic · Misc Vehicles

    Street Build 845  7

    1998 Eagle Talon TSi
    fwd · manual · 2G DSM

    Street Build 6K  13  25

    1990 Eagle Talon TSi AWD
    13.620 @ 108.460 · 1G DSM
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  14. 1cleangsx

    1cleangsx Proven Member

    211
    111
    Joined Sep 28, 2013
    Cheyenne, Wyoming
    I remember back in 06 my buddy had a 92 6bolt/4bolt talon. It had a big 16g and was the fastest car I had ever been in at the time, I think it ran like low 14’s at bandimere but it still beat up on some cars in town:thumb: that car is what got me into turbo cars and eventually the adoption of my bastard child in 2013 LOL, been a dsm junkie ever since :D
     

    Street Build 1K  11

    1990 Mitsubishi Eclipse GSX
    13.2 @ 104.64 · 1G DSM
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  15. pauleyman

    pauleyman DSM Wiseman

    5,230
    1,068
    Joined Nov 19, 2011
    oklahoma city, Oklahoma
    It's easy to get hooked. My first one was a 90 in 1992. I killed a ton of cars at the stoplights bone stock in 1992. My first shootout in 96. Hooked ever since.
     

    Street Build 3K  1

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

    steve DSM Wiseman

    12,800
    574
    Joined Feb 3, 2002
    St. Charles, Illinois
    I hated the 1Gb headlights. So I picked one of the 91's when I bought my GSX off the lot in Aug 91. IIRC there were about half a dozen to pick from when the 92's started rolling onto the dealership.
     

    4K  0

    1991 Mitsubishi Eclipse GSX
    manual · 1G DSM
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  17. motomattx

    motomattx Proven Member

    2,200
    844
    Joined Dec 9, 2010
    wampum, Pennsylvania
    Lets not forget the horsecock shifter and the tach that works with the 90'.
     

    Drag Race Build 3K  24

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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    90'AWDTalonFroggy likes this.
  18. steve

    steve DSM Wiseman

    12,800
    574
    Joined Feb 3, 2002
    St. Charles, Illinois
    IIRC, The shifter changed with the intro of the 2G's. Not sure what about the tach your calling out?
     

    4K  0

    1991 Mitsubishi Eclipse GSX
    manual · 1G DSM
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  19. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

    5,044
    2,381
    Joined Nov 14, 2013
    Independence, Kansas
    I bet its the stupid tach adaptor.....but if you wire it right all still works.
     

    Street Build 4K  28

    1992 Eagle Talon TSi AWD
    14.74 @ 117.04 · 1G DSM

    863  14

    1990 Mitsubishi Eclipse GSX
    awd · manual · 1G DSM

    622  18

    1967 Chevrolet Camaro RS
    rwd · automatic · Misc Vehicles

    Street Build 845  7

    1998 Eagle Talon TSi
    fwd · manual · 2G DSM

    Street Build 6K  13  25

    1990 Eagle Talon TSi AWD
    13.620 @ 108.460 · 1G DSM
    Loading...
  20. motomattx

    motomattx Proven Member

    2,200
    844
    Joined Dec 9, 2010
    wampum, Pennsylvania
    Last edited: Dec 9, 2018

    Drag Race Build 3K  24

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  21. mitsubishikid

    mitsubishikid Proven Member

    836
    184
    Joined Jun 8, 2009
    Turlock, California
    The "90 is actually a good year to start with because you get the 6 bolt and the air oil cooler and you can change most all the electrical nonsense to 91-94 sensors and harness, then get the 92.5-94 4 bolt rear, 2g exhaust manifold or go with an fp unit, i like stainless brake lines, and the outlander rotors, and caliper brackets, with the dual piston calipers mod, along with the evo brake booster and master cylinder a 7th gen or auto dsm 90 amp alternator with 100amp fuse too is also nice mod, along with the fuel pump rewire, and evo fuel pump or go walbro 190lph at the least.
     

    1K  0

    1990 Eagle Talon TSi AWD
    manual · 1G DSM
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