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cam bearings clocked?

Discussion in 'Modified Alpine' started by roger, Jul 30, 2020 at 5:54 PM.

  1. roger

    roger Silver Level Sponsor

    ok , got my v6 2.8 sv alpine together to start and no oil pressure to rocker shafts both sides. ran for 5 mins, lots of assembly lube. head gasket on right.no oil in passages from rocker shaft , head or into block towards cam. all opinions appreciated.Roger
     
  2. 260Alpine

    260Alpine Silver Level Sponsor

    Rocker shafts upside down blocking oil holes?
     
  3. Fergusonic

    Fergusonic Donation Time

    Cam Bearings installed incorrectly?
     
  4. roger

    roger Silver Level Sponsor

    shaft holes top and bottom at each rocker,centered
     
  5. roger

    roger Silver Level Sponsor

    guess i have to pull camshaft and see. anyone got an oil circuit diagram for a ford 2.8 v6, are there any oil galley plugs that maybe im missing. guess ill be pulling engine and then camshaft..
     
  6. 260Alpine

    260Alpine Silver Level Sponsor

    Galley plugs in? The better cam bearings have a slot or groove on the backside incase of mialignment.
     
  7. roger

    roger Silver Level Sponsor

    where are the galley plugs?
     
  8. 260Alpine

    260Alpine Silver Level Sponsor

    Upper front and rear of block about level with the lifters.
     
  9. roger

    roger Silver Level Sponsor

    on the v6 would the galley plugs be covered by my transmission and in front bywater pump? i dont see any in the valley below intake.
     
  10. 260Alpine

    260Alpine Silver Level Sponsor

    Front probably, if rear you would have a mess in the bellhousing and floor. The rear pic is of unknown 60 degree V6. The front is a Buick V6. Shows typical locations front buick V6.jpg . rear.jpg
     
  11. roger

    roger Silver Level Sponsor

    ok, thanks jim. i have no oil leaks but thought maybe a galley plug missing could be reason i have no oil flow to rockers on both sides. must be cam bearings not in position. Do you know who makes slotted bearings for the v6? thanks for your help.roger
     
  12. 260Alpine

    260Alpine Silver Level Sponsor

    Roger, there are 2 sizes of 2.8 cam bearings. Smaller 74-79 Mustang II and first year of Fox Mustang. Larger 83-86 Ranger, Bronco II and Aerostar. I think the newer ones are grooved. You don't have a Mustang II cam in the later block do you? What oil pressure did the gauge show?
     
    Last edited: Jul 30, 2020 at 11:47 PM
  13. 260Alpine

    260Alpine Silver Level Sponsor

    Pics of early smaller bearings and later larger bearings with grooves: 74-79 cam bearings.jpg 83-86 cam bearings with grooves.jpg
     
    Last edited: Jul 30, 2020 at 11:48 PM
  14. Fergusonic

    Fergusonic Donation Time

    It sounds like you did not prime the engine..... so, with that in mind let me issue (another) crazy thought: Did you install the Oil Pump Shaft?
     
  15. roger

    roger Silver Level Sponsor

    i did prime engine and got 60 psi oil press., no oil to rockers.oil pump shaft installed.I have v6 jose cam in 1974 mustand2 block, compatable?
     
  16. 260Alpine

    260Alpine Silver Level Sponsor

    Head gaskets backwards blocking oil holes?
     
    Last edited: Jul 31, 2020 at 12:05 PM
  17. 260Alpine

    260Alpine Silver Level Sponsor

    Did you install the cam bearings or a machine shop?
    Check out this video:

     
  18. roger

    roger Silver Level Sponsor

    head gaskets on right
     
  19. roger

    roger Silver Level Sponsor

    machine shop installed cam bearings
     
  20. roger

    roger Silver Level Sponsor

    delta cams in seattle got cam, supposed to be '83-'85 bronco 2 cam which they supplied. my invoice says part#765-sp-hp cant find that # anywhere.heads off engine on floor, taking cam out tomorrow .where and what make bearings with that updated oil groove?
     

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