1967 440 hp no oil on driver side rocker arms while priming

Engine, Trans & Driveline

  1. 1carlover

    1carlover Well-Known Member

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    My 440 engine is fresh from the machine shop and I've reinstalled it in my 67 RT. With the distributor removed and with drill and priming rod in hand I began counter clockwise rotation of the oil pump. I was vey surprised to find that I have no oil going to the top side of the driver side head. I've tried searching for answers to this problem in the fbbo forum and the only thing I could come up with is the engine shop either seriously screwed up, or that by having the number 1 cylinder set at tdc, at that position has covered the hole for oil to flow to the top of the left side head. However If the engine was actually rotating the oil galley hole would only be blocked for a split second but otherwise would get oil for the rest of the cam rotation. I don't know if I misread the post but I was hoping someone could shed some light on this before I pickup the phone and start yelling at someone.
     
  2. kiwigtx

    kiwigtx International Mod Staff Member FBBO Gold Member

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    Is the rocker shaft on the correct way around - wrong way would block off the oil flow.
     
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    • dodge41969

      dodge41969 Well-Known Member

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      Try rotating the engine by hand maybe 180 degrees and try priming again. Or maybe the rocker shaft is upside down....oiling holes go down towards the exhaust.
       
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      • wedgie

        wedgie Well-Known Member

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        I always have someone running the drillmotor for priming while I turn the engine 320* in order to get one camshaft revolution. The valvetrain only oils when the oil holes line up, not all the time.
         
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        • cudajunction

          cudajunction Well-Known Member

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          Oil hole to feed the rocker shaft only lines up once per revolution of the cam. You got lucky and the right side is lined up. Rotate the crank in small incriments and youll find the left side lines up too as long as the bearing is in correctly.
           
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          • 1carlover

            1carlover Well-Known Member

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            I don't know yet but will first have to find out how to tell if it is. I'm still not getting any oil to the left side after rotating the crank 180. I'll probably contact the local engine shop I used for the rebuild and see what they have to say. Thanks
             
          • Cranky

            Cranky Banned Staff Member FBBO Gold Member

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            Rotate the engine some more and do it slowly. The cam turns half the speed of the engine so the oil holes probably haven't aligned yet for the other side to oil....and if that doesn't do it, then the cam bearing isn't in right and will have to come out. I've heard of people running a long drill bit down the head and punching a new hole in the bearing but don't think I would do that.
             
          • dryheat

            dryheat FBBO Gold Member FBBO Gold Member

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            You need to rotate the crank 2 times to get the cam to spin one full revolution.
             
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            • 67 B-body

              67 B-body Well-Known Member

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              Go 360deg....and watch the oil squirt!
               
            • 1carlover

              1carlover Well-Known Member

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              I'll give the engine shop a call tomorrow and see what they have to say. Thanks for the reply
               
            • 747mopar

              747mopar Well-Known Member

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              These guys are telling you the truth, when I primed my motor for the first time I had the same question. After some research I found that oil is fed from the bottom of the cam bearing and then has two hole at the tops (left and right rockers) the cam has an angled hole drilled threw it that will line up with two at a time "an oil pulse". It would be hard to get the alignment right without knowing where it is, having someone rotate the motor while you prime should allow you to get it feeding oil.
               
            • 68 HEMI GTS

              68 HEMI GTS Well-Known Member

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              agree, your going to have to slowly rotate it while priming. if that doesn't work then the machine shop didn't line up the cam bearing correctly.
               
            • Garys1969RR

              Garys1969RR Well-Known Member

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              My 451 had the same problem. When the engine is at TDC #1 firing, then the oil will feed to one head only. I had to rotate mine awhile while my son primed it. I even pulled the bolt out on the 4th rocker pedestal back to see if oil would come out. As I slowly rotated it, all of a sudden oil shot out clear across the room from that pedestal. Try that, it will work.
               
            • 1carlover

              1carlover Well-Known Member

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              Wow I'll be sure to have my safety glasses on if I remove that 4th pedestal. I just hope it isn't the bearing lined up incorrectly. As far as turning over the motor I will have to wait until I get the dash back in and the engine harness plugged back in otherwise I'm just wearing down my drill battery. Ill give it a try again tomorrow.
               
            • detmatt1

              detmatt1 Well-Known Member

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              Turn the engine over manually with a socket and breaker bar on the bolt on the front of the crank and as mentioned above, check to see that the rocker shaft is in properly if you still can't get oil on that side.
               
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              • 1carlover

                1carlover Well-Known Member

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                Thanks I'll give it a try
                 
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