Oil Filter Bypass
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Oil Filter Bypass

  1. #1
    Senior Member Josh@JBP's Avatar
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    Default Oil Filter Bypass

    Rex's catalog page in the oil filter routing thread got me think about this.

    I performed all my oiling system modifications to my BBF block out lined on Pauls website, but when I got down to the oil filter adapter modification at the bottom of the page it got me thinking. Admittedly, this is not a "max effort" or an "extreme racing condition" but i thought if I could enlarge the passage through the adapter but maintain structural integrity the improved oil flow couldn't hurt anything, especially if i keep a remote mount oil filter like the boat currently utilizes. So I chucked an extra adapter up in the lathe cut/bored/tapped and mated it with a 13/16 - 16 nipple I robbed from an old non bypass Chevy filter adapter. Now my ford will accept an Oldsmobile oil filter.

    The perfect plan however one small glitch that I can see is the Olds type filter has no reflief valve.

    Normally I wouldn't give much thought to running no oil filter bypass, never been a big fan of the idea, but i may have no choice unless i go back to the oem style adapter. Is this something to worry about in a non racing engine, if i run a quality filter? or is there and Olds style oil filter available with an internal bypass.

    Don't blame me for how i took the old one out, I tried double nutting it and when that didnt work i got pissed...


    Also if i do use a remote mounted filter i will perform a similar operation on the filter end, but i'm not sure if i need to go that route.
    Last edited by [email protected]; 11-25-2009 at 12:40 PM.

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  3. #2
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    Default

    very nice job!

  4. #3
    www.highflowdynamics.com LakesOnly's Avatar
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    Cool

    Radius the exit:



    This helps replenish the downstream bled-off oil in two ways:
    • When the oil races into the block cavity that the filter adaptor screws into, it needs to make a hard left turn to continue into the main passage that travels across the front the the engine block, and the radius helps it get around the corner of the filter adaptor
    • By flaring the exit, the oil flow is slowed down and prepared better for the turn, instead if slamming hard into the block cavity that accommodates the filter adaptor and getting evermore turbulent.


    LO
    High Flow Dynamics
    Performance Components for the 429/460 Engine Family


    This post © Copyright 2007-2020 Paul Kane. No copying, linking, printing or otherwise without express written permission.

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  6. #4
    www.highflowdynamics.com LakesOnly's Avatar
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    Cool

    Quote Originally Posted by [email protected] View Post

    ...my ford will accept an Oldsmobile oil filter.

    The perfect plan however one small glitch that I can see is the Olds type filter has no reflief valve. Is this something to worry about in a non racing engine, if i run a quality filter?
    Pay close attention to your temp gauge at startup; fully warm up your engine oil before stabbing the throttle.
    High Flow Dynamics
    Performance Components for the 429/460 Engine Family


    This post © Copyright 2007-2020 Paul Kane. No copying, linking, printing or otherwise without express written permission.

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