R1133 Caravelle Valve Stem Oil Seals
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  1. #1
    Tadpole
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    Default R1133 Caravelle Valve Stem Oil Seals

    Morning gentlemen,
    I need a set of Oil stem valve seals for my 1965 Caravelle fitted with an R1133 engine, but I can't seem to find a set anywhere.
    The only set I came across was part of a full engine gasket set which I don't need as I already have one minus the seals for said beast.
    So has anyone any suggestions, many thanks in advance.

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  2. #2
    Simon's Avatar
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    The reason you can't find a set of valve stem seals, is because the motor was never originally fitted with any such seals. What is the problem as to why you think you need them?
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  3. #3
    1000+ Posts geckoeng's Avatar
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    Mickris,
    You are obviously not up to date with the "Sierra" engine, as they do not have valve stem seals. Gasket manufacturers put them in sets unwittingly, and you will not find in "Pieces de Origin". People who have fitted the destroy the valve guides in about 30k km.

    If you really want. Iwill send you a set from my collection, for cost of post fron OZ.

    Ray
    Ray geckoeng

    Think Old, But Run Modern !!

  4. #4
    Tadpole
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    Ah that would explain why.
    I am getting a puff of blue smoke after she has been ticking over which then clears under normak running. It was often a sign of a bad valve oil seal.
    As I'm wrong on this diagnosis it must be something else.

  5. #5
    Too many posts! JohnW's Avatar
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    Quote Originally Posted by mickris View Post
    Ah that would explain why.
    I am getting a puff of blue smoke after she has been ticking over which then clears under normak running. It was often a sign of a bad valve oil seal.
    As I'm wrong on this diagnosis it must be something else.
    Yes, no seals were fitted! If it isn't fouling the plugs or attracting undue attention, I'd just monitor oil consumption. What oil grade are you using? Maybe a wee bit of wear here and there and you'll need a rebuild in a decade or two.

    What happens after a long downhill glide on a closed throttle? Good test of worn guides is smoke when you open the throttle.

    We've just been all over France with the Floride Caravelle Club de France and some gave the odd puff but most were clean as a whistle. My R8 has a puff of smoke when started hot sometimes but it hasn't changed in decades.

    Are you in the RCCC?

    Cheers
    JohnW

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  6. #6
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    My perhaps imperfect understanding of the history of this is that the predecessor to the Sierra engine, the Ventoux, was notorious for poor upper cylinder lubrication (I was always advised to use a lubricant for my 4CVs) & that valve stem seals were omitted in the later engine to allow some beneficial leakage of oil into the cylinders.

  7. #7
    Tadpole
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    Thanks lads for your invaluable info. Much appreciated,

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