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Thread: 4age big port head work

  1. #1
    Junior Member Too Much Toyota
    Join Date
    Sep 2005
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    Qld
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    Default 4age big port head work

    thought the 4age nerds here might be interested...

    found this on PF, bigport head being ported and generally improved.

    Sample pic only, see the rest in the thread on PF.
    ------------------------------
    ST185 road barge / MZ11 forest barge / RA65 garage barge

  2. #2
    Olde mechanic Carport Converter oldeskewltoy's Avatar
    Join Date
    Oct 2006
    Location
    oregon
    Posts
    1,417

    Default Re: 4age big port head work

    my current porting project.......

    http://forums.club4ag.com/zerothread?id=79187


    for those who don't want to read....

    How to fit these......



    and run them on stock AFM type AE86 management

    Those pistons and rods save over 675 grams, or 1.7#s over OEM parts



    Lets say chamber volume needs to be increased....

    here, by 9+%




    Here are my exhaust ports, 1 through 4.... before, and after......
    #1


    #2


    #3


    #4




    and other than the bowl work, this was the extent of me working the intake ports....



    For complete detail.... see the thread @ the top of this post
    Information is POWER... learn the facts!!

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