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  1. Replies
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    That's a tiny shaft, Otis! Every carb is...

    That's a tiny shaft, Otis!

    Every carb is different, as sometimes the bushings are skewed because its been dropped or something. Over-torquing the flanges is the common issue (I had one customer...
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    A quality shaft would be .250", Otis,.. But...

    A quality shaft would be .250", Otis,..

    But you never know what you will get. Beware of some modern 'stainless' bushings that are already shot out to two thou over.

    Messing with the valves is...
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    You can't bubble-test with the carb installed,...

    You can't bubble-test with the carb installed, Otis...

    (Even a sweet shaft and bushings has a gap that's orders of magnitude larger than what we are looking for.}

    Please review...
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    Otis! How are you measuring the 'leakage'?; A...

    Otis!

    How are you measuring the 'leakage'?; A thou and a half is noticeable shake!

    Even NOS OEM shafts vary slightly, but repops can be a bonus if they are really fat.

    (Please believe me,...
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    If its a real problem, Eric.. I would mask off...

    If its a real problem, Eric..

    I would mask off the pretty part (electrician's tape works best),

    Then blast the threads with ALOX.

    And finish with a fine wire or ADALOX wheel.

    ....Cotten
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    I really can't tell from the pics, Bob,.. But...

    I really can't tell from the pics, Bob,..

    But the CycleRays that I have encountered that weren't motorcycle "correct" were supposedly for Jeeps.

    Hope somebody knows more...

    ...Cotten
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    I cannot tell from the photo, Shin! If it is...

    I cannot tell from the photo, Shin!

    If it is flat on top, it is most likely an intake; If domed, then it is most likely an exhaust.

    But I should never trust my memory...

    ....Cotten
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    No it ain't, George! Sure it can be messy, or...

    No it ain't, George!

    Sure it can be messy, or foul plugs,

    But horror stories of the rear jug lifted off the deck usually included extraneous factors, like somebody's 'better idea' seal,...
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    If you drain the tank into a jug, George,.. ...

    If you drain the tank into a jug, George,..

    There won't be enough oil to fill the cases.

    ....Cotten
    PS: The only way cases can fill to a dangerous level is when a positive seal has been...
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    Please beware, George,.. Motors are designed...

    Please beware, George,..

    Motors are designed to operate under load; Please don't start it unless you're gonna ride it.

    Whether idling, or worse yet, "rapped" as if to warm it up, wear is much...
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    Beware extractors expand things, Craig! For a...

    Beware extractors expand things, Craig!

    For a left-hand bit to pull that large of stud sounds like abuse of tooling, (if not your tooling budget), unless you are real, real lucky.

    Any chance...
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    Skills of course, Maxglass! But also...

    Skills of course, Maxglass!

    But also resources.

    Its always about resources.

    ....Cotten
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    You are right, Craig! Knucks had their "tins"...

    You are right, Craig!

    Knucks had their "tins" too, plus the 'Knuckles' themselves, of course...

    I'm not on a 'Coast', but just a couple of hours Northeast of you.

    Come to think of it, I...
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    Aren't "tins" a Panhead thing, Craig? The...

    Aren't "tins" a Panhead thing, Craig?

    The aluminum pumps were a '68 and later thing, (according to my Parts Book anyway).

    Leaky rockers, both Knuck and Pan, often start with a drainage issue.
    ...
  15. Thread: Birch White

    by T. Cotten
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    Sorry Eddie,... There is a whole science of...

    Sorry Eddie,...

    There is a whole science of spectroscopy that proves that not only a paint of different chemical composition can never reflect light the same, the original itself has changed over...
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    I tried teflon balls first, RCamp! But they...

    I tried teflon balls first, RCamp!

    But they didn't pass the bubble-test, even on a dressed seat. Various attempts at dressers attached.
    (Not only is it hard to imagine a rubber or plastic ball...
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    It better be a BIG valve, LRC! Might as well...

    It better be a BIG valve, LRC!

    Might as well put a solenoid on it, too.

    Face it, Folks,.. They sump when they haven't been ridden.

    If you aren't going to ride for many weeks at a time, its...
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    I can tell you what doesn't work, George! ...

    I can tell you what doesn't work, George!

    Bubble-testing of a checkvalve on the bench soon proved that all attempts at lapping, angle grinding, cutting, burnishing, or smacking with a drift only...
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    I'd try a bodacious slap-hammer, Knuckcrazy! ...

    I'd try a bodacious slap-hammer, Knuckcrazy!

    It doesn't look that permanent if its un-pinned.

    ...Cotten
  20. Some are acceptable. ....Cotten

    Some are acceptable.

    ....Cotten
  21. Golf carts are a menace. ....Cotten

    Golf carts are a menace.

    ....Cotten
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    The question Craig,... Is which were actually...

    The question Craig,...

    Is which were actually produced that way by the MOCO.

    ...Cotten
    PS: Chris!
    Your manifold in your pic #3 is what I call a silver-soldered steel manifold, for '48-'49.
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    How dearly we wish they were still available,...

    How dearly we wish they were still available, Craig!

    Modern COLONY productions were 3 9/16" I think.

    (Its been a week since I cut one.)

    ....Cotten
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    Sticky: External photohosting is not only too many hoops...

    External photohosting is not only too many hoops to jump through, Mike,

    It often costs money!

    I'm happy now with thumbnails...

    ....Cotten
    PS: Here's another pic repair I'm proud of.
    If it...
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    I only noted it was possible, Craig! I didn't...

    I only noted it was possible, Craig!

    I didn't tell how to do it.

    (It became obvious when failed mass-produced PEEK seals crossed my benches.)

    ....Cotten
    PS: You have a wide silver-soldered...
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