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  1. #1
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    Default shovelhead build no oil flow

    OK so just got my bottom end back from getting rebuilt new ultima cases flywheels rebuilt new oil pump new cam new breather gear new tappet rollers everything is new and my top end just got done also new pistons rings valve Job new valves valve guides springs ect rocker boxes been rebuilt also and I got everything together and loosens the oil line feeding the rockers to check for oil flow and nothing after about 20 kicks I disconnected the line from the bottom end to the rockers to see if any oil was pushing up threw and nothing at all not even little spits of oil I'm stumped also no clogged lines I've checked them all any help would be much appreciated

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    These are from early evo Harley manual. Same cases and oil pump. different bore and stroke.

  3. #3
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    (correct orientation)

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    ?? Sorry but I don't get what your trying to say

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    That is how the oil flows through the engine. Did you bleed the oil down to the pump? Could be air locked. Was the pump wet or dry when you put it together?

  6. #6
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    Sorry not trying to be a dick but that's not how the oil flows In a shovelClick image for larger version. 

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  7. #7
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    All I had. I referenced the haynes I got. My old one had it in there... Thanks though! Learn something every day. But just make sure its got something to pull beside air. Can be air locked like any liquid system (brake, coolant, oil) if there is air trapped between 2 sides.. Pump will just turn the air. Good luck.

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    One, make sure all your oil lines are correct
    Two, pull all the caps, two on the pump and the tappet as well (yes, you have to pull the fitting above the check ball cap)
    Three, gravity should bleed that shit for you, pull the springs, ball,and plunger. You can leave the screen and it's spring in.
    Four, as oil reaches each cavity, cap it off. First the check ball,l then the relief plunger, and finally the tappet screen.
    Don't forget to put the ball and plunger plus springs back in.
    Start that thing and watch for oil at the return into the tank.
    Good luck
    Last edited by Sky; 03-23-2015 at 11:18 AM. Reason: spelling and auto-correct

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    god forbid you use a oil press gauge.........

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    Could pressure bleed the air out of the tappets.....

    That done by taking off the cap and spring off of the relief and with it running stick a rod down into the hole pushing hard down on the plunger.... Make sure that you take off any oil gauges or sending units ...

    By doing this, the pump will be putting out about 400 psi...

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    Davestune, Gauges or sending units only tell you press is getting as far as the gauge or sensor. And not necessary with hydro tappets anyway. You'll hear it before you glance at the gauge or light going down the road. Furthermore. only a nice big calibrated handheld gauge is going to give you any sort of accuracy. What about the return side of the pump?

    Dragstews, That would work if the feed gears aren't air locked. And no way just kicking it. You would need a starter motor of some sort.

    Gravestate, Checking for flow at the rocker lines is a good idea, but you won't see much till it's running.
    Good luck and let us know how it goes

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    Quote Originally Posted by Sky View Post

    Dragstews, That would work if the feed gears aren't air locked. And no way just kicking it. You would need a starter motor of some sort.

    That's why I said running....

    For sure it won't make that kind of pressure kicking....

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    That you did Sir.
    Still I would gravity bleed that sucker before attempting to start it. Kicking or otherwise.

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    I have a wonder about those A/F cases....

    Seems to me that the oil route may not be the same design as OEM cases....????

    The oil screen plug may be to long and could be blocking the new oil path to the lifters...
    Think the ultima cases did move that path to under the plug....

    Something to check out anyway....

    Click image for larger version. 

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    Last edited by Dragstews; 03-23-2015 at 1:08 PM.

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    OK forgot to state that I got it started but only for a quick min cause I still didn't see any oil flow so I didn't want to fuck up all my new shit also thank you so much for the reply I just towed it back to the mechanic today who did the bottom and he's gonna take a look and fix it I'll let every one know how it goes

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    Click image for larger version. 

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ID:	58125here's a pic of the Ole girl

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    Just curious being you haven't answered the question yet and three people have suggested (I'll be the fourth).


    Did you prime the oil pump or not? You need to bleed the air out of it and prime it. Air trapped in the pump will prevent flow.

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    Quote Originally Posted by boomboomthump View Post
    Just curious being you haven't answered the question yet and three people have suggested (I'll be the fourth).


    Did you prime the oil pump or not? You need to bleed the air out of it and prime it. Air trapped in the pump will prevent flow.
    You kidding.....????

    Look where that front pipe runs.....

    I wouldn't like working on that oil pump....!!!
    Would be putting a diff. pipe on it till I got the problems worked out....
    Last edited by Dragstews; 03-23-2015 at 9:11 PM.

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    Quote Originally Posted by Dragstews View Post
    You kidding.....????

    Look where that front pipe runs.....

    I wouldn't like working on that oil pump....!!!
    Would be putting a diff. pipe on it till I got the problems worked out....

    LOL I'm with you jesse..... That's like my FXS. You can't get to the pump without removing the exhaust....

  20. #20
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    Why did someone post an EVO diagram for a Shovel?

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