No oil through passenger rocker arms

Engine, Trans & Driveline

  1. 69Bee

    69Bee FBBO Gold Member FBBO Gold Member

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    The shaft oil hole will be towards the valve in relation the shaft hold down bolts. If there are notches on the end of the shaft, the driver side shaft will be to the front of the engine, and to the rear of the passenger side.

    IMG_3847.jpg IMG_3848.jpg
     
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    • oldbee

      oldbee FBBO Gold Member FBBO Gold Member

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      Like miller says, straighten a coat hanger; lay it between the pushrods and pedestals. That'll keep the pushrods halfway lined up when you put rockers/shaft back on.
       
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      • 1968rt

        1968rt Well-Known Member

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        If its bone dry it could be the cam bearing. Either installed wrong or it spun!
         
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        • wyrmrider

          wyrmrider Well-Known Member

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          a BTW
          rotating the engine while priming will also load up the lifters if they were dry or bleed them down if they were loaded with oil (which can bend things)
           
        • 69Bee

          69Bee FBBO Gold Member FBBO Gold Member

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          Trick I learned and it might have been in the service manual, use the oil dipstick.
           
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          • dadsbee

            dadsbee FBBO Gold Member FBBO Gold Member

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            Length of .063 TIG filler wire works perfect.

            beerestoration2017 054.JPG
             
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            • Yeahrightgreer

              Yeahrightgreer Well-Known Member

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              Plugs are indeed on each end of the shaft

              Yes, and only driver side head would Oil once per revolution
               
            • Yeahrightgreer

              Yeahrightgreer Well-Known Member

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              I got a chance to quickly look the car after work but the sun is down and I got rained out so limited

              I started by just double checking I didn’t miss the hole while priming, so I slowly turned the crankshaft while priming. 3 full revolutions for the camshaft, driver side oiled every time and nothing on the passenger. I then removed the shaft assembly and did it again and still nothing out the passenger side.

              I didn’t have a pipe brush small enough to fit down the oil gallery so will have to try tomorrow or use a small wire to see if there’s debris etc in the way. I’m hoping it’s that and not a cam bearing.

              F771B48E-2E5B-46AB-A448-6815ABAFB2D8.jpeg
               
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              • 69L48Z27

                69L48Z27 Well-Known Member

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                When you poke the wire down through have someone turn the engine over. If the filler rod never finds the hole in the cam you’ll know what the problem is. If you find the hole on the cam then it’s a head scratcher.
                 
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                • 69Bee

                  69Bee FBBO Gold Member FBBO Gold Member

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                  1) Head gasket is symmetrical, so can not be an issue
                  2) Crap in the passage is possible.
                  3) Spun or misaligned cam bearing is also a possibility.

                  One thing to think about is the heads are drilled on both ends so that the heads can go on either bank, as well as the gasket. A head that was together for many years can build up a gross grey sludge from years of the OLD oil. The sludge forms because the head gasket blocks the hole at the head level, and oil yurns to sludge over time in this blind hole. When I clean these heads, and blow out the rocker bolt holes, the grey sludge comes out thick as tar. Push a rid in the passage, and if it is covered in a grey sludge, that might be your issue. Carb cleaner and an air gun can clean it up. The carb cleaner straw does a good job of conforming to a shaft the is not straight. Wear eye protection, trust me and don't ask how I know.
                   
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                  • miller

                    miller Well-Known Member

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                    Sounds like you've found your problem. A good thing, since running it like that would have gotten bad.
                    Okay, find out why?
                    When the cam bearings are installed, there's two holes in #4 bearing. IF the bearing is right, the bearing holes will be lined up with the two block ports. Yeah, run a stiff length of wire through that hole, to see if any junk comes back out with it. A little harder, push the wire in 'til it bottoms...turn the engine by hand, to see if you can feel the wire end, moving along the cam journal.

                    Bottom line...if the cam bearing is NOT right, cam needs to be pulled, and cam bearings re-done.
                    Toss a handful of common sense at it all, and go from there. Good find, before things went south!
                     
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                    • Yeahrightgreer

                      Yeahrightgreer Well-Known Member

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                      There is supposed to be a shaft that the oil passes through correct? So in other words this specific hole on the second to last bolt hole should be deeper than the other 4?


                      Feeding a wire through feels as if its not even protruding down and that it’s hitting something solid. Intuitively it doesn’t feel deep enough to be the cam or bearings. Maybe halfway down the cylinder head. I measured and it has the same depth as the other holes. Am I missing something?

                      A5DC38CA-7F54-4DA8-AE7C-627B3B51FC9D.jpeg
                       
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                      • khryslerkid

                        khryslerkid FBBO Gold Member FBBO Gold Member

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                        Can you look in that bolt hole with a good flashlight? A stiff straight wire should go down to the cam bearing.
                         
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                        • Fran Blacker

                          Fran Blacker FBBO Gold Member FBBO Gold Member

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                          Haven't done wedges but does the oil hole enter the at an slight angle not straight down, just asking.
                           
                          Last edited: Jan 14, 2020
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                          • MarPar

                            MarPar If it weighs, it pays FBBO Gold Member

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                            Greer buddy! Welcome to the madness that is FBBO!

                            I hope you get yer oiling situation all figured out.
                             
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                            • 69Bee

                              69Bee FBBO Gold Member FBBO Gold Member

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                              Rocker bolt goes straight down, and the oil passage angles towards the intake side of the hole.

                              IMG_3855.jpg
                               
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                              • wyrmrider

                                wyrmrider Well-Known Member

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                                old fuzzy here but the oil passage is off the bolt hole not straight down
                                borescope?
                                you pulled the bolt from the back of the engine or the front
                                that pic on the previous page looks wrong- maybe BBM
                                //sbm pump is at the rear
                                 
                              • Fran Blacker

                                Fran Blacker FBBO Gold Member FBBO Gold Member

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                                Think intake ports facing down in picture. So hole is hard to with heads on in engine compartment.
                                 
                              • HALIFAXHOPS

                                HALIFAXHOPS hops farmer and MOPAR only distributor rebuilder! FBBO Gold Member

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                                @MoparMitch had a good one the oil passage in the on one side of the cam was blocked same issue. Look at how the oil goes through the cam, it will make sense just something to check.
                                 
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                                • khryslerkid

                                  khryslerkid FBBO Gold Member FBBO Gold Member

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                                  I thought I had read that on another website.

                                  If the cam bearing had spun, you wouldn't think that one side was still getting oil. It should block off both sides unless you were lucky enough for one of the two holes to stop just right.

                                  Upon my initial oil priming with a drill (fresh rebuild) I couldn't get oil on the passenger side. So I pulled that rocker shaft bolt and tried again, same result. So I used a stiff wire and sent it down the passage. (I don't remember going at an angle, thought it went straight, but I'm old too!) When I pulled it out I had break in lube on it. Turned the priming drill again and had oil. So I'm guessing it doesn't take much to block the small cam bearing hole.
                                   
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