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2G My Crankwalk suspicions were true

Posted by Waco4g63, Jun 23, 2019

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  1. Waco4g63

    Waco4g63 Probationary Member

    9
    2
    Joined Aug 14, 2018
    Philipsburg, Montana
    So I had some issues with smoking after idling for a bit so I did a comp test and had 90 across the board dry and wet so I decided to yank the head. I found some leaky valves and the composite headgasket was a mess, which was what I thought. I figured while I was here I would fresh up the bottom end, cylinder walls looked ok, nothing a hone wouldn't fix. I pulled the TC and dropped the oil pan, pulled the pistons and rods to check everything then the crank girdle. FML! I have had some of the signs, clutch issues on hard left turns, rpm drop when clutch is engaged etc but always chalked it up to a TOB or hydraulic issue but became more convinced it was CW as time went by. I bought the car last year and have only put on 800 - 1k miles so the previous maintenance and such is a mystery. This is my 5th dsm but first bout with CW. ☹ Guess I'm starting a 6 bolt build. Just wanted to share my story. Pics attached.....
     

    Attached Files:

    270  1

    1999 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM
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  2. motomattx

    motomattx Proven Member

    1,562
    419
    Joined Dec 9, 2010
    wampum, Pennsylvania
    That thing didn't walk, it ran a crank marathon...
     

    Drag Race Build 2K  16

    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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    Kryndon and ThunderChild like this.
  3. curt-s

    curt-s Proven Member

    705
    181
    Joined Dec 21, 2008
    Winterville, MB, Canada
    Holy crap.
    I think that may be one of the few sightings of crankrun ever documented in the wild.

    Just out of curiosity I wonder what the oil filter looks like inside
     
    Last edited: Jun 23, 2019

    2K  1

    1991 Eagle Talon TSi
    fwd · manual · 1G DSM
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  4. Strm Trpr

    Strm Trpr Proven Member

    1,581
    72
    Joined Jan 20, 2004
    Lodi, California
    Just curious, has the bottom-end ever been apart?
    I assume this is your 99 split thrust 7-bolt, correct?
     

    1K  0

    1997 Mitsubishi Eclipse GSX
    manual · 2G DSM
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  5. Waco4g63

    Waco4g63 Probationary Member

    9
    2
    Joined Aug 14, 2018
    Philipsburg, Montana
    Not by me, not sure what the previous owner had done, its stock bore and pistons which weren't too bad but 177k miles I bet somebody got in it before and just did a stock overhaul. It almost looks like there was a saddle bearing used buts hard to tell because of how hard that crank tore up that thrust groove.
     

    270  1

    1999 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM
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  6. Strm Trpr

    Strm Trpr Proven Member

    1,581
    72
    Joined Jan 20, 2004
    Lodi, California
    Is the 1st pic of your girdle?
    There should only be 1 main bearing on the girdle, 1 main bearing on the block and 2 thrust washer half moons on both sides of the block center bearing and no thrust washers on the girdle, only a main bearing.
     
    Last edited: Jun 24, 2019

    1K  0

    1997 Mitsubishi Eclipse GSX
    manual · 2G DSM
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