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420A Stock MT Specs

Posted by BLACK'98DSM, Oct 17, 2019

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  1. BLACK'98DSM

    BLACK'98DSM Proven Member

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    I think the PO screwed around with my trans. The gearing seems improper and sloppy. And it also doesn't agree with anything I've read about a stock trans. It's not the trans that came in the car, so I'm wondering what it did come out of, and has it been built, or attempted to.

    What I'm looking for is:
    - top speed per gear
    - gear ratios
    - any other useful info pertaining to 420a MT
     

    Road Race Build 2K  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    334  3

    2012 Murray Explorer Dune
    rwd · automatic · Misc Vehicles

    250  6

    2009 Troy Bilt Bronco
    rwd · automatic · Misc Vehicles
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  2. Mello

    Mello Proven Member

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  3. Dhan

    Dhan Supporting Member

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    I don’t know a lot about the 420a motors, but what numbers are stamped into the transmission housing? Should be able to look those up and see what it is.
     

    2K  4

    1992 Eagle Talon TSi AWD
    awd · manual · 1G DSM
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  4. BLACK'98DSM

    BLACK'98DSM Proven Member

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    None that I can see. I might have to get under the car to find them.
     

    Road Race Build 2K  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    334  3

    2012 Murray Explorer Dune
    rwd · automatic · Misc Vehicles

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  5. silvreclips

    silvreclips Proven Member

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    Lots of other cars came with the same trans. Neon trans will fit right in if you find one with a hydraulic bell housing. They had a taller final drive gear. 3.55 vs the eclipse 3.94. Depending on the year of neon trans other gears were slightly different to.

    If i remember right my stock trans did somewhere around 62mph in 2nd gear. I run a neon trans now and can get up to ab 72mph in 2nd.

    You can always calculate your gear ratio from your speed rpm and tire size. You will have to check both final drives and see which one makes sense.
     

    Autocross Build 161  1

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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  6. BLACK'98DSM

    BLACK'98DSM Proven Member

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    Rev limiter at 70mph for me. 16 inch wheels and 55's for tires. My tach is slightly behind. Possibly I have a Neon trans.

    If you don't mind, what markings are on your trans, and where are they?
     

    Road Race Build 2K  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    334  3

    2012 Murray Explorer Dune
    rwd · automatic · Misc Vehicles

    250  6

    2009 Troy Bilt Bronco
    rwd · automatic · Misc Vehicles
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  7. silvreclips

    silvreclips Proven Member

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    There is an ID tag located on the driver side of the transmission. It's on the metal end cap on the side. You may have to remove the wheel to see if. It will have the production part number on it.
     

    Autocross Build 161  1

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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  8. BLACK'98DSM

    BLACK'98DSM Proven Member

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    I still have all those stock plastic covers under there. Will those need to be moved?

    And what I'm really asking for is what letters/numbers I should be looking for.
     

    Road Race Build 2K  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    334  3

    2012 Murray Explorer Dune
    rwd · automatic · Misc Vehicles

    250  6

    2009 Troy Bilt Bronco
    rwd · automatic · Misc Vehicles
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  9. silvreclips

    silvreclips Proven Member

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    You can see the id tag at the top of the pic.

    SDC10165.jpeg
     

    Autocross Build 161  1

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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  10. BLACK'98DSM

    BLACK'98DSM Proven Member

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    Hey man, I appreciate it. I'll take a look when I get off work. Might do a few pulls to test it out too.
     

    Road Race Build 2K  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    334  3

    2012 Murray Explorer Dune
    rwd · automatic · Misc Vehicles

    250  6

    2009 Troy Bilt Bronco
    rwd · automatic · Misc Vehicles
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  11. silvreclips

    silvreclips Proven Member

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    Take a picture and post the number, or Google the part number. There were multiple versions made
     

    Autocross Build 161  1

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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  12. BLACK'98DSM

    BLACK'98DSM Proven Member

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    Will do.
     

    Road Race Build 2K  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    334  3

    2012 Murray Explorer Dune
    rwd · automatic · Misc Vehicles

    250  6

    2009 Troy Bilt Bronco
    rwd · automatic · Misc Vehicles
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  13. BLACK'98DSM

    BLACK'98DSM Proven Member

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    That's the best I could get.
     

    Attached Files:

    Road Race Build 2K  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    334  3

    2012 Murray Explorer Dune
    rwd · automatic · Misc Vehicles

    250  6

    2009 Troy Bilt Bronco
    rwd · automatic · Misc Vehicles
    Loading...
  14. BLACK'98DSM

    BLACK'98DSM Proven Member

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    Joined Feb 9, 2019
    Hoover, Alabama
    New Venture Gear
    NV-T350 4668310
    N 310 3218 0092
     

    Road Race Build 2K  25

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM

    334  3

    2012 Murray Explorer Dune
    rwd · automatic · Misc Vehicles

    250  6

    2009 Troy Bilt Bronco
    rwd · automatic · Misc Vehicles
    Loading...

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