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Thread: 4AGE Build - 4age Experts Please Comment!

  1. #11
    Junior Member
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    May 2013
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    Pro
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    Victoria
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    I really hope it's a 4ac crank. If it is it will be a testament to its strength, this motor has been flogged to the limitier every drive of its life since I've had it, including many Winton track days! Can't wait to open her up for inspection and reveal what it has :-D

  2. #12
    Senior Member
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    Jun 2011
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    james
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    Agree with this.

  3. #13
    Senior Member
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    james
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    Always look on the bright side ! lol

  4. #14
    Moderator Sam-Q's Avatar
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    Dec 2008
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    Sam
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    Endeavour Hills
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    I suggest fitting a later model oil pump:



    Not because I sell them but because the early pumps are prone to fail from fatigue and flow less due to the narrower gears.


    Another option to help with the piston choice is using 4afe rods, I have been told they have the same smaller diameter big end size as the bigport cranks but have a 20mm Gudgen pin instead of 18mm. This gives you much more piston options to choose from.
    My website: SQ Engineering - 4AGE and 3SGE upgrade/replacement parts

    - SQ Engineering on facebook -

    Please e-mail to contact me instead of sending a private message on here.

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