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  1. #1
    Fellow Frogger!
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    Default weber query.

    Ive just cleaned the weber off my daughters R12 1.4 and noticed the choke butterfly on the secondary side has been removed, Can anyone tell me is there a specific reason for this or has it just been forgotten?
    secondly how long does a tadpole have to swim in the aussiefrogs pond to become a frog?
    peter .

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  2. #2
    Simon's Avatar
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    That wouldn’t be the first one I’ve seen like that, probably a PO attempt to cure some perceived problem. The original fitting screws seem peened over so would be unlikely to fall out by themselves.

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    Tadpole minigordini's Avatar
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    As far as my understanding goes the "rating" we are given goes by number of posts and not amount of time that you hav been a member.

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    1000+ Posts alan moore's Avatar
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    Not that I have done this "mod", but the I would expect the car probably works fine without it.
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    1000+ Posts Fordman's Avatar
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    As starting and low speed driving only uses the primary it is quite normal not to have choke on secondary throats, this omission may be from original?

  7. #7
    1000+ Posts Frans's Avatar
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    Fordman is right. On the Renaults you have a PROGRESSIVE action twin choke Weber. That means that the 2nd choke is used only when you exceed 5o% travel on the linkage, then the 2nd opens progressively a 100% the last 50% of the travel. When the car is cold and needs choking it happens on the primary only. You are not supposed to use 2nd choke on a cold engine.
    On the older Ford V6 engines you had a SIMULTANEOUS action twin choke Weber where both chokes had choke butterflies. Both chokes worked same time, 1 feeding left bank cylinders and the other feeding right bank. So both chokes were choked.
    Frans
    Old enough to know better
    Young enough to do it anyway.

  8. #8
    Simon's Avatar
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    Quote Originally Posted by Frans
    When the car is cold and needs choking it happens on the primary only. You are not supposed to use 2nd choke on a cold engine.
    A majority of the Weber equipped 12's and 16's I've seen though have butterflies to both chokes. I'm just wondering if it was a dealer fix to remove one butterfly when people flooded the things after pulling the choke right out instead of just using half choke?

  9. #9
    1000+ Posts Europa's Avatar
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    All my past weber equipped Renaults have had two chokes.
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  10. #10
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    Both of mine have two, too. Will its presence, or lack thereof, affect the vacuum choke release?

    Stuey


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    1000+ Posts catshamlet's Avatar
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    [QUOTE=Peter J Kent] secondly how long does a tadpole have to swim in the aussiefrogs pond to become a frog?
    peter .


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  12. #12
    Fellow Frogger!
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    Default only one choke b/fly.

    Thanks all for your wealth of wisdom. Its back together and running fine.
    I was aware of progressive linkages frans hence calling it the secondary side.
    It was just the first time i had seen one removed.
    Thanks again all.
    Peter.

  13. #13
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    Quote Originally Posted by Peter J Kent
    Thanks all for your wealth of wisdom. Its back together and running fine.
    I was aware of progressive linkages frans hence calling it the secondary side.
    It was just the first time i had seen one removed.
    Thanks again all.
    Peter.
    Hi Peter,

    For what its worth, I've found that the earlier Weber R12s tend to have both choke flaps, but that almost invariably those from the later 1.4 versions only have the one on the primary. As Simon suggested, it may have been a dealer mod, as I have found no sign of butchery as one might expect from a PO etc trying to do a fix. As a factory mod by Renault & Weber it would save money - perhaps it was .

    Renpete

  14. #14
    Fellow Frogger! Westair's Avatar
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    Many progressive choke Webers had only one barrel with choke.
    The second barrel does not open at starting revs so no need for choke flap.
    28/36 DCD from GT Cortina was like this in most versions.
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  15. #15
    1000+ Posts Wildebeest's Avatar
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    Default Weber choke..

    Quote Originally Posted by Westair
    Many progressive choke Webers had only one barrel with choke.
    The second barrel does not open at starting revs so no need for choke flap.
    28/36 DCD from GT Cortina was like this in most versions.
    I removed the secondary choke flap on my Weber 504 conversion in order to gain those elusive KW's. Only joking !

    I had to convert the Weber to manual choke, this meant doing away with the fast idle linkage. I had visions of being surrounded in black smoke with a two choke cold startup.

    Even with the idle jet cut back in size cold starts are no problem. Well maybe a little "Fred Astaire" work with the throttle now and then.

    Westy, The Weber DCD I have in store,[wrapped in swaddling cloth], doesn't have butterfly chokes. It uses an enrichening device for cold starts.

  16. #16
    Member leigh's Avatar
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    Icon11 Choked

    Just waying in on the end of a thread... I have had the pleasure of playing with a few DIR 32's in the past but haven't come across one with the flap missing.

    But this is not the real reason why I write this reply - in truth, I am just trying to get my post count up. I used to be known as a Fellow Frogger but now? Can't help being a little offended by being called a 'member'.

    Might have to start a Catch up to Europa & Kenfuego thread. Might take a while to think up 2000+ posts, even if they are mindless.

  17. #17
    Member leigh's Avatar
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    Default Correction

    That would be weighing in not waying in.

    One more post closer to global domination!

  18. #18
    Real cars have hydraulics DoubleChevron's Avatar
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    I doubt it's been removed from the secondary side of the carby .... Due to the simple fact, it's not required there ... After all who starts a car cold with full choke and the 2nd barrel of the carby wide open

    It probably hasn't been there since the car left the factory !!

    seeya,
    Shane L.
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  19. #19
    Member leigh's Avatar
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    Yeah I know, but the #58 hasto count for something.

    Saw your post about slugomatics... Distinctly remeber you saying that you liked my Goon (Laguna)

    (and another post - I'm on a roll)

  20. #20
    Member leigh's Avatar
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    even if my spelling doesn't

  21. #21
    Real cars have hydraulics DoubleChevron's Avatar
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    Quote Originally Posted by leigh
    Yeah I know, but the #58 hasto count for something.

    Saw your post about slugomatics... Distinctly remeber you saying that you liked my Goon (Laguna)

    (and another post - I'm on a roll)
    I do like Laguna's .... Can I have the seats out of yours

    seeya,
    Shane L.
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    '78 GS1220 pallas
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  22. #22
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    Quote Originally Posted by leigh
    But this is not the real reason why I write this reply - in truth, I am just trying to get my post count up. I used to be known as a Fellow Frogger but now? Can't help being a little offended by being called a 'member'.
    Trouble is, Leigh, that when you get to 30 posts, you're called a 'complete member'.


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  23. #23
    Member leigh's Avatar
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    Icon7 Sometimes the truth hurts

    Big member?

  24. #24
    1000+ Posts Europa's Avatar
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    Quote Originally Posted by leigh
    Might have to start a Catch up to Europa & Kenfuego thread. Might take a while to think up 2000+ posts, even if they are mindless.
    We are mere minnows in the Aussiefrogs sea of postings. Danielsydney should be your target!
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  25. #25
    Fellow Frogger! Ren25's Avatar
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    Cross Member?
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