Bearing clearances?

Discussion in 'Mazdaspeed 3/6 Engine' started by cam1391, Sep 12, 2018.

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  1. cam1391

    cam1391 Gold Member

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    Does anyone have the main and rod bearing clearances handy? seems to be unattainable information. i believe oem spec states 0.0013" to 0.0020" for rod bearings.

    Edit:
    Main bearing clearance
    0.0007" to 0.0015"
    Maximum 0.0039"

    Rod bearing clearance
    0.0011" to 0.0020"
    Maximum 0.0039"
     
    Last edited: Sep 12, 2018
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  2. Raider

    Raider Administraider Administrator Platinum Member

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    Manley recommends .002 minimum and .003 maximum. Information should be in the paper with your specific rods. Basically if it specs out to factory bearing spec it will be good.

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    Raider, via a mobile device, Sep 12, 2018
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  3. cam1391

    cam1391 Gold Member

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    I saw that as well. If anyone has main bearing spec that's the one I'm most in need of.
    Figured it might also help others at some point
     
    cam1391, via a mobile device, Sep 12, 2018
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  4. Raider

    Raider Administraider Administrator Platinum Member

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    Journal size 2.04650 is the minimum size for journal with standard size bearing
     
    Raider, via a mobile device, Sep 12, 2018
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  5. cam1391

    cam1391 Gold Member

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    I'm running 1 thousandth undersize. my journal mic'd to 2.0464
     
    Last edited: Sep 12, 2018
    cam1391, via a mobile device, Sep 12, 2018
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