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Thread: How to run 2g Aluminum/Stock radiator with a SOHC head

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  1. #1
    Moderator mko's Avatar
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    How to run 2g Aluminum/Stock radiator with a SOHC head

    Review:

    The difference between 7g and 2g radiators is the coolant filler neck (and minor size differences). The filler neck on 7g is part of the radiator while on 2g its part of the thermostat housing.

    7g radiator



    2g radiator



    Making this work is very simple. You'll need 2g thermostat housing (just the upper part of it) and 2g radiator (aluminum or stock)

    All you do is swap the upper part of the 7g thermostat housing with the 2g one. Its a bolt on, no modifications needed. Use some permatex (I have MItsubishi OEM grey kind) to seal the surfaces. Now its a good time to replace the old radiator hoses with brand new ones.

    Here's the 7g thermostat assembly:



    and the 2g upper thermostat housing



    The swap:



    Make sure you grab the 2g cap, because its not compatible with the 7g radiator cap.


    Installation pics will be posted later
    God created turbo lag to give the v8's a brief moment of hope.



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  2. #2
    TGC Super Hero evil-G-nius's Avatar
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    why? I mean it looks good but....why? Is the 2G radiator more eficient or hold more coolant than ours?


    "Why fart and waste it when you can burp and taste it!"

  3. #3
    Moderator mko's Avatar
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    The aluminum does, stock one does not
    God created turbo lag to give the v8's a brief moment of hope.



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  4. #4
    You are here entirely tooo much!! peanotation's Avatar
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    aluminum > crappy plastic, for strength and heat dissipation
    http://socallifestyle.com/

    1994 Galant GS 5spd

  5. #5
    TGC Super Hero evil-G-nius's Avatar
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    Jeebus...SPAM!


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  6. #6
    TGC Regular 98mgalant's Avatar
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    any news on this? I need a new radiator and I was thinking about geting an aluminum one. I was just looking at the pics and I was thinking that it might put the hose in a bad bind.

    Quote Originally Posted by wetamup2k3g View Post
    Oh, and sometimes the fat guy can lay the pipe. Just saying.....

  7. #7
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    And youd be able to route your intake pipe around the radiator hoses. 7g radiator and hoses dont allow to much room.

  8. #8
    TGC Regular 98mgalant's Avatar
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    Ok I think I'm going to get a 2g aluminum radiator but the thermostat housing at autozone does not look like that. It looks like it would stick straight up. What year and trim is that off of?

    Quote Originally Posted by wetamup2k3g View Post
    Oh, and sometimes the fat guy can lay the pipe. Just saying.....

  9. #9
    Moderator mko's Avatar
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    95 -99 gst and gsx
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  10. #10
    You are here entirely tooo much!! Galanttuner10's Avatar
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    is the bolt style of the lower portion different as the angle it would be at is really awkward. we use the same thermostat as the turbo cars and i think it would be best, if possible as i havent compared them, to swap both lower and upper portions of the thermostat housing then using stock 2g hoses and the minty fresh aluminum radiator, or else is is such a critical angle on the hose and u may have to make it work with something custom
    Last edited by Galanttuner10; 01-30-2011 at 11:07 PM
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  11. #11
    Moderator mko's Avatar
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    the lower housing although it looks similar it is very different. 7g thermostat sit at the front of the head, and the 2g housing sits on the side.

    Both housings point slightly upward, but since the 2g is little longer due to the filling neck, it looks kind of odd, but it still fits and will work.
    God created turbo lag to give the v8's a brief moment of hope.



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  12. #12
    You are here entirely tooo much!! Galanttuner10's Avatar
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    main issue for people will be making the upper hose reach as the entrance to the radiator is directly in the middle unlike ours that is more torwards the passenger side so i wonder if the stock hose would reach
    2014 Lancer Evo GSR
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  13. #13
    Moderator mko's Avatar
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    it will be necessary to put together 2 hoses which is very easy by the way.
    God created turbo lag to give the v8's a brief moment of hope.



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  14. #14
    You are here entirely tooo much!! Galanttuner10's Avatar
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    Quote Originally Posted by mko View Post
    it will be necessary to put together 2 hoses which is very easy by the way.
    i figured, just figured get that out there so they know when they attempt to do this. i wont be as im going DOHC but its great for the people who are SOHC turbo or looking for the bling factor in the bay
    2014 Lancer Evo GSR
    1996 Galant S 5 Speed Turbo
    Need a Turbo rebuilt or upgraded--> http://www.thegalantcenter.org/showt...ebuild-Service

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