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Oil Pump Priming

Discussion in 'Early CJ5 and CJ6 Tech' started by FinoCJ, Feb 23, 2017.

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  1. Feb 23, 2017
    FinoCJ

    FinoCJ 1970 CJ5 Staff Member

    Bozeman, MT
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    Got a question about priming the oil pump using a drill down the distributor access....Its pretty much impossible to get a proper tool for priming the oil pump around here, so its either buy one or make one.

    I think a lot of people use a regular screwdriver or the like (with rubber hosing around it etc) , but I was wondering if the lack of the bushing/housing around the shaft would cause any problems. I guess on SBCs the bushing closes off some oil galleys that forces oil up to the rockers. Maybe this isn't a problem on the Buick V6?

    The bushing certainly helps hold everything in place and prevents damage in case of a slip...so that may still be a good reason to buy one. I don't have an extra distributor that I can cannibalize to make one that way so its either completely homebuilt with screwdriver and such or order one. Anyone have a specific model one to buy that works - do any of the GM v6 or v8 compatible ones work...

    The first two here are for SBC that I think would be compatible based on some other cross-references
    Oil Pump Shafts And Primers | JEGS

    Also, I have packed the pump gears with vasoline...
     
    FinoCJ, Feb 23, 2017
    #1
  2. Feb 23, 2017
    FinoCJ

    FinoCJ 1970 CJ5 Staff Member

    Bozeman, MT
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    looks like the normal SBC tools will work - the BuickV8 page suggests using the moroso 62200 - no housing or bushing to control depth or side to side movement, but if used carefully will probably do the trick.

    Moroso 62200: Chevy V8 | JEGS
     
    FinoCJ, Feb 23, 2017
    #2
  3. Feb 23, 2017
    Focker

    Focker That's a terrible idea...What time? Staff Member

    WA
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    Is this absolutely necessary?

    The reason I'm asking is...When you drain the oil you don't have to prime anything. I'm not smart enough to know the difference? :oops:
     
    Focker, Feb 23, 2017
    #3
  4. Feb 24, 2017
    sterlclan

    sterlclan Member 2022 Sponsor

    exploring the...
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    with a dry engine(ie rebuilt) its a good idea to prime the block before starting it.sometimes the pump wont pick up oil good to check it before you install the engine. Fino as long as you dont push down too hard that will probably work fine it will make a lot of drag so it may be tough to hold onto. i have an old dist i cut up willing to send it to you if you pay the round trip shipping.
     
    sterlclan, Feb 24, 2017
    #4
  5. Feb 24, 2017
    Twin2

    Twin2 not him 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    the V6 pump must be packed with petroleum jelly . that's all that's really needed before start up
     
    Twin2, Feb 24, 2017
    #5
  6. Feb 24, 2017
    Mcruff

    Mcruff Earlycj5 Machinist

    Albertville, AL
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    I made mine just like the Moroso unit.
     
    Mcruff, Feb 24, 2017
    #6
  7. Feb 24, 2017
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

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    How long does the priming tool for the 225 need to be? I have seen them made from long plastic handled screwdrivers - break the plastic handle off and chuck it in your drill.

    You can rely on vaseline or assembly lube in the oil pump to make prime, but priming with a tool seems easy enough.
     
    timgr, Feb 24, 2017
    #7
  8. Feb 24, 2017
    FinoCJ

    FinoCJ 1970 CJ5 Staff Member

    Bozeman, MT
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    I packed the pump with vasoline, and assembly lube was used during rebuild. I mostly want to ensure I installed the oil pump correctly and that it will flow oil properly. If for some reason I don't have the oiling system correct, I'd like to know that before I start it. For a reasonable cheap tool that I can either buy or make...seems like good insurance to avoid the worst case scenario of no oil circulation after start-up.

    While waiting on the tool to ship I can continue installing that pesky pilot bushing and slide the transmission back in place.
     
    FinoCJ, Feb 24, 2017
    #8
  9. Feb 24, 2017
    Rich M.

    Rich M. Shoe salesman 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    This. However my engines been sitting a few years since rebuild. I have an undesirable prestolite dist I plan on sacrificing to circulate before start up.
     
    Rich M., Feb 24, 2017
    #9
  10. Feb 24, 2017
    Focker

    Focker That's a terrible idea...What time? Staff Member

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    Thanks for the answers.
    When I pulled my motor for painting, I removed the pan and valve covers...There must be oil trapped somewhere? I never thought about priming. :shock:
    I do remember being very alert when I first fired it back up. I checked to make sure oil was flowing through the motor before I let it run too long.
    That seems like a great idea if you have an old one to sacrifice.
     
    Focker, Feb 24, 2017
    #10
  11. Feb 24, 2017
    tarry99

    tarry99 Member

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    Always a good Idea to prime the oil pump manually while it's still on the stand after a rebuild when all oil galleys are dry................even a good Idea on a motor that has not been fired up for a long period of time....as the bearings and galleys can leak away the oil...........yes there will probably be a little oil left there. But why take the chance?
     
    tarry99, Feb 24, 2017
    #11
  12. Feb 24, 2017
    Focker

    Focker That's a terrible idea...What time? Staff Member

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    Inexperience is to blame in my case. :worry:
     
    Focker, Feb 24, 2017
    #12
  13. Feb 24, 2017
    PieLut

    PieLut Member

    Glendale, Arizona
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    You can get the right tool from TA Performance. Part # TA_1509. $25
     
    PieLut, Feb 24, 2017
    #13
  14. Feb 24, 2017
    ITLKSEZ

    ITLKSEZ Hope for the best, prepare for the worst

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    Edit: Never mind. I saw you referenced my response in your initial post. :oops:
     
    ITLKSEZ, Feb 24, 2017
    #14
  15. Feb 24, 2017
    Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

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    I took an old dull 3/4" wood paddle bit and ground the point off. Have used it sever times. Just have to make sure you hold the drill motor steady and semi centered. When the pump grabs oil it will put a lot of drag on the drill so be ready for the twist.
     
    Walt Couch, Feb 24, 2017
    #15
  16. Feb 24, 2017
    tarry99

    tarry99 Member

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    tarry99, Feb 24, 2017
    #16
    FinoCJ likes this.
  17. Feb 24, 2017
    Focker

    Focker That's a terrible idea...What time? Staff Member

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    Thanks...^

    I re-read your blueprint thread to see how I had missed that post. I've learned a lot from you guys. (y)
     
    Focker, Feb 24, 2017
    #17
    tarry99 likes this.
  18. Feb 24, 2017
    termin8ed

    termin8ed I didn't do it Staff Member

    Mason, MI
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    When i rebuilt mine i used assembly lube on everything but dont remember packing oil pump or priming the pump. Guess i like to live dangerously
    :ninja:
     
    termin8ed, Feb 24, 2017
    #18
  19. Feb 25, 2017
    FinoCJ

    FinoCJ 1970 CJ5 Staff Member

    Bozeman, MT
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    thanks all. The one Tarry shows was one of the two I was initially looking at in the first post - so its ordered and see how it works.
     
    FinoCJ, Feb 25, 2017
    #19
  20. Feb 25, 2017
    tarry99

    tarry99 Member

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    Make sure you have the lifters in the bores.......Oil Pan and plug in with at least a few quarts of oil in it ( don't forget to add the balance along with some break in additive )........oil filter should also be partially filled before you screw it on. Heads on with rockers arms installed. Make sure you plug off your oil pressure port......and either install the fuel pump or a plate to block off that cavity.

    Put a drill motor on the priming tool and slowly turn it over at medium speed , you should feel a drag on the motor in a few seconds as it starts to pick-up oil and send it throughout the motor...........make sure you see oil getting to your rockers.
     
    tarry99, Feb 25, 2017
    #20
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