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Turbo upgrade

Posted by EVTBernie, May 30, 2020

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  1. EVTBernie

    EVTBernie Proven Member

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    Joined May 4, 2006
    South Burlingto, Vermont
    Ok so im upgrading my turbo from straight oil feed to oil/water. There was a plug bolt (bolt on left) i removed that bolt and bought the bolt/banjo bolt and crush washers to install the inline filter. Issue that im having is when putting it together correctly the bolt snugs up but wont tighten down, seems like its stripped. But when i remove the banjo bolt and thread just the bolt itself it seems to thread in nice. Im confused as to WTF LOL seems like the bolt is a tad too short. Anyone know whats up with this? received_993492827733451.jpeg
     

    Attached Files:

    206  0

    1992 Mitsubishi Eclipse GSX
    manual · 1G DSM
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  2. 95_gsx_2g

    95_gsx_2g Supporting VIP

    123
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    Joined Apr 26, 2010
    washington, Pennsylvania
    I had a similar issue but mine was leaking from the filter restrictor not in the correct orientation or tightened down enough before hand. Luckily I had the correct fittings to locate it to the head for my new turbo! The bolt/banjo is fairly short on mine as well but it snugged up enough to not leak anymore. Small crack in the bolt or flat washer possibly?
     

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    2011 Infiniti G37xs
    awd · automatic · Misc Vehicles

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    1995 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM
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  3. EVTBernie

    EVTBernie Proven Member

    85
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    Joined May 4, 2006
    South Burlingto, Vermont
    The issue is it will start to thread in but once snug wont tighten down with a socket. Seems the bolt isnt long enough.
     

    206  0

    1992 Mitsubishi Eclipse GSX
    manual · 1G DSM
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  4. lasershark

    lasershark Proven Member

    1,167
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    Joined May 17, 2013
    over yander, Idaho
    how to the threads look at the head? i have had to heli-coil those before.

    you could feed from the OFH
     

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    1995 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  5. TK's9d2TSi

    TK's9d2TSi Supporting Member

    3,075
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    Joined Sep 11, 2017
    Cincinnati, Ohio
    Measure that banjo. I have the stocker and it’s 13.5mm of threads.

    EDIT: the pic is the banjo for turbo side. I can’t find the head banjo.

    image.jpg
     
    Last edited: May 31, 2020

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    2000 Jeep Cherokee Sport - Classic
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    93 Civic 4 Door -sold-
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    1992 Eagle Talon TSi AWD
    12.2 @ 120 · 1G DSM
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    lasershark likes this.
  6. TK's9d2TSi

    TK's9d2TSi Supporting Member

    3,075
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    Joined Sep 11, 2017
    Cincinnati, Ohio
    Have you tried using the stock banjo bolt?
     

    379  3

    2000 Jeep Cherokee Sport - Classic
    awd · automatic · Misc Vehicles

    409  4

    93 Civic 4 Door -sold-
    fwd · manual · Misc Vehicles

    Street Build 3K  6

    1992 Eagle Talon TSi AWD
    12.2 @ 120 · 1G DSM
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  7. 95_gsx_2g

    95_gsx_2g Supporting VIP

    123
    24
    Joined Apr 26, 2010
    washington, Pennsylvania

    Got ya, sounds like possibly some stripping going on hopefully not in the head or just too short like you said. Mine doesn't thread in much just a couple threads but I didn't go that tight with it. I did tighten the restrictor filter down alot though.
     

    92  3

    2011 Infiniti G37xs
    awd · automatic · Misc Vehicles

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    1995 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM
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  8. miguelmcv

    miguelmcv Supporting Member

    2,327
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    Joined May 3, 2009
    Fresno, California
    A longer bolt is better but if you really want to make it work, try to use a thinner crash washer, and don’t go crazy when tightening the bolt.
     

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

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    1995 Mitsubishi Eclipse GST
    manual · 2G DSM
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  9. 91talonts1

    91talonts1 Proven Member

    617
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    Joined Dec 29, 2008
    Spencer, North Carolina
    Definitely sounds like it's stripped. A longer banjo might work by grabbing more threads, but you have to be careful that you don't use one that's too long. There's an oil passage right inside there that I believe feeds oil to the exhaust cam, definitely don't want that to be blocked.
     

    Drag Race Build 4K  15

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