Will this cam plug stay put?? | FerrariChat
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Will this cam plug stay put??

Discussion in 'Technical Q&A' started by chrismorse, Mar 16, 2008.

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  1. chrismorse

    chrismorse Formula 3

    Feb 16, 2004
    2,150
    way north california
    Full Name:
    chris morse
    #1 chrismorse, Mar 16, 2008
    Last edited by a moderator: Sep 7, 2017
    Here is a shot of a cam plug i found in my intake cam. I have gone to a single distributor ignition from Norwood, so i have left the old distributor in the back intake cam hopeing to ward off a masssive oil leak.

    If i pull pin that holds the rear distributor drive and remove it to properly "pin" a new plug, then i loose the sealing surface that the cam seal rides on.

    Now is the time to do this since i have all of the cams out for a belt replacement/valve adj & seal replacement.

    So, my question is, will this plug stay put if i just install a big blocking plate over the old distributor location??

    The cams are also off to replace the broken rear intake cam drive pulley with one provided by SMG, (scott - thanks).

    Am I ok to jsut install a blocking plate or do i need to do something else to secure the plug???

    inexperienced,
    chris
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  2. fatbillybob

    fatbillybob Two Time F1 World Champ
    Consultant Owner

    Aug 10, 2002
    29,252
    socal
    #2 fatbillybob, Mar 16, 2008
    dizzy shaft has a oring on it. Just make an aluninum plug and slot it and the cam shaft. put an oring on it and then a retaining clip. If you just cover plate hold the plug it can walk out and put friction and destory itself against the cover. Plug needs to be retained by itself. the cover should just be....a cover. PM luckydynes I bet he can help you. In fact he may already have a solution for you because I think he did it to his.
     
  3. chrismorse

    chrismorse Formula 3

    Feb 16, 2004
    2,150
    way north california
    Full Name:
    chris morse
    #3 chrismorse, Mar 16, 2008
    Thanks FBB,

    Sorry about the poor photo, there is already a plug in there, I just don't know how it is held in there. If it is typically a press or friction fit and that does the trick - i am cool with that - but if they sometimes pop out and put pressure on the cover plate and puke oil out on the back cv, then i really need to do something positive.

    As a side note, i noticed that the distributor drive is pinned to the cam, RIGHT in the middle of the cam bearing surface with a roll pin!!!! Is that pushing the limit???

    Still stupified - and worring about the plug,
    chris
     
  4. luckydynes

    luckydynes F1 Rookie

    Jan 25, 2004
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    #4 luckydynes, Mar 17, 2008
    Every one I've seen was pinned . . . the stubby plugs I made have threads in them for a screw . . . I had some problems with leaking o-rings and had reason to remove them hence the threads. The cross pin is really close to the o-ring groove so the thread/screw I used is pretty small . . . let me know if you want a pic.
     
  5. 308tr6

    308tr6 Formula Junior

    Dec 23, 2003
    466
    SDakota
    Full Name:
    Rico
    #5 308tr6, Mar 17, 2008
    Excuse me for jumping in here, but I am in the process of doing the same thing for an electronic setup. My question is why would you remove the distributor drive at all? If am not mistaken (big assumption), can't you just put the distributor subhousing back on (with the seal) and then plate off the opening and not be concerned about the oil flow path/plugs, etc?

    By the way, I would like to see a pic about what you are talking about if you don't mind. Maybe I need to go this route, too, though I don't quite understand yet...
     
  6. luckydynes

    luckydynes F1 Rookie

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    #6 luckydynes, Mar 17, 2008
    Last edited by a moderator: Sep 7, 2017
  7. luckydynes

    luckydynes F1 Rookie

    Jan 25, 2004
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    #7 luckydynes, Mar 17, 2008

    Correct . .. you can . .. in my case this is a spare motor without any subhousings . .. also the cams I had were out of a fire engine and the seal surface didn't get repaired by cam shop :(.
     

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