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Thread: Big Block Oil Passage Mods

  1. #1
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    Big Block Oil Passage Mods

    here is work that should be done any time you do a full rebuild on a 400 / 430 / 455 or if you are having oil pressure issues:
    Jim Weise's block mods
    http://www.trishieldperf.com/455_block_mods.htm

    Timing Cover
    http://www.buickperformance.com/OilingMods.htm

    Block Passages
    http://www.buickperformance.com/oilflow.htm



    Optional

    Neoprene Main Seals
    Front: National Part # 450446 or Federal-Mogul #470543 or National Oil Seals #450446
    Rear: Fel-Pro #BS30135 or National Oil Seals #5068


    Checking for Oil Pump Wear; a definite must for pressure issues
    http://www.buickperformance.com/oilpumpwear.htm

    Plumb for a rear mounted Oil Pressure Gauge, much better than the front mounted stock sending unit
    http://www.buickperformance.com/Oilmods.htm

    Strengthen the Lifter Valley; some are very leery of using Ti putties/epoxies inside their rotating assemblies, use at your own risk
    http://www.buickperformance.com/455LV.htm
    The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
    Vladimir Lenin

    Government schooling is about "the perfect organization of the hive."
    H.H. Goddard, Human Efficiency (1920)

  2. #2
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    Thanks for all the good info!

  3. #3
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    Jim Weise has finished his Oil mod page:
    http://www.v8buick.com/showthread.php?t=214613
    The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
    Vladimir Lenin

    Government schooling is about "the perfect organization of the hive."
    H.H. Goddard, Human Efficiency (1920)

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