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Thread: Head Gasket Repair

  1. #1

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    07-12-2019
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    Location

    Dayville, Ct
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    1992 Mitsubishi Mighty Max
    Engine

    4G64

    Head Gasket Repair

    I’m tuning my 4G64 and replacing gaskets. Can anyone tell me if my engine has head studs or bolts?

  2. #2

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    12-21-2013
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    Location

    Maurertown, Virginia
    Vehicle

    1990 Dodge D-50
    Engine

    4G64
    My 1990 4G64 has female hex head bolts, if I remember they're 10mm. I don't know if they changed that for '92.


    Be sure to take precautions to not drop lifters from the assembly when you remove them. Here's a helpful hint:

    http://www.mightyram50.net/vbulletin...ll=1#post26624

    Head bolts can be seen, next=to=last photo, right-hand side of photo.

    http://www.mightyram50.net/vbulletin...ll=1#post26317
    Last edited by royster; 09-20-2019 at 05:25 AM.
    The greatest gift you have to give to the world is that of your own self~transformation.

  3. #3

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    Adelaide, South Australia
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    1985 Mitsubishi L200
    Engine

    G63B
    Mitsubishi used head bolts. Be sure you know what type you will need as there are different length bolts with different diameter shoulders on them.
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  4. #4

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    Dayville, Ct
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    1992 Mitsubishi Mighty Max
    Engine

    4G64
    Should I replace them with new bolts or switch to studs and nuts?

  5. #5

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    Earth, the Solar System
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    1985 Dodge Ram 50
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    Quote Originally Posted by CtGuy93 View Post
    Should I replace them with new bolts or switch to studs and nuts?
    I don't think you can switch. Some of the head bolts are reusable. When I replaced my 1st gen head a few years ago the Mitsubishi dealer could still get them so I went with new.

  6. #6

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    1985 Mitsubishi L200
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    Quote Originally Posted by 85Ram50 View Post
    I don't think you can switch. Some of the head bolts are reusable. When I replaced my 1st gen head a few years ago the Mitsubishi dealer could still get them so I went with new.
    Companies like ARP will make them but they are not going to be cheap. A new member had an issue with finding the right head bolts for their 4G64 and ended up sourcing the correct ones for their engine from a forklift application.
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  7. #7




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    Pittsburgh, PA
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    G54B
    4g64 head bolts are reusable, no need for new ones.
    Pennyman1
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    Living the D-50 lifestyle since 1980

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