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Thread: Racing carby

  1. 26th January 2020, 08:23 PM #1
    Mustlust's Avatar
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    Racing carby

    Having bought a replacement carby late last year, and having the little landie scooting all over the farm, I have a new puzzlement to contend with for 2020.
    Sometimes at idle the engine revs really high, usually after driving for a bit. Sometimes a tap on the pedal will bring it down again, although this is working less often now. Even under the bonnet when I flick the throttle arm it may not decrease the revs, and sometimes it does.
    I am thinking that something in the carby is sticking. All the external levers and springs are fine with the issue apparently directly with the carby. I’ve probably driven 5 kms since putting it in and initially all way well.
    Could there be dirt interfering with the jet???
    Mustlust

    1950 Series 1 80in lights behind grill
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  2. 26th January 2020, 08:41 PM #2
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    choke and a vac leak post butterfly.

    it might also be the butterflys pivot bushes.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

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  3. 26th January 2020, 08:50 PM #3
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    On a brand new carby?
    Mustlust

    1950 Series 1 80in lights behind grill
    1950 Series 1 80in rolling chassis looking for a body
    1956 Series 1 86in
    1956 Series 1 107
    1957 Series 1 88in
    1967 Mustang coupe 347 stroker
    2011 Discovery 4 3.0
    2009 110 utility 2.4tdci
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  4. 27th January 2020, 12:59 PM #4
    LR1953
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    Quote Originally Posted by Mustlust View Post
    On a brand new carby?
    If it's not correctly secured to the inlet manifold, ie no leaks.
    Cheers Rob S
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  5. 27th January 2020, 03:52 PM #5
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    Quote Originally Posted by Mustlust View Post
    On a brand new carby?
    Ive had them (not all at the same time or same brand or supplier delivered brand new with quality check stickers without

    The float, the needle, a jet, the butterfly, the emulsion tube, the acc pump, the spring that retains the float pivot, the top gasket, screws and sealing plugs.

    Ive had the wrong jets, the wrong butterfly the wrong choke plate, with the linkages built onto the wrong side of the carbie.

    As much as Ron seems to be able to buy broken stuff, I seem to be able to buy stuff thats incomplete.

    I have tell of a bloke who got a brand new carby for a Saracen that had broken bits inside it with new bits stuffed on top.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


    If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
    If you think you're in front on the deal, pay it forwards.
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  6. 27th January 2020, 04:09 PM #6
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    ...and here I was hoping to read about someone racing their S1 and looking for an appropriate racing carby.....
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  7. 27th January 2020, 06:19 PM #7
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    Quote Originally Posted by ramblingboy42 View Post
    ...and here I was hoping to read about someone racing their S1 and looking for an appropriate racing carby.....
    no the idea of that went out when it was realised that the inherent accuracy of using a calendar to time the results was too subject to variation based on the vagaries of human error
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


    If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
    If you think you're in front on the deal, pay it forwards.
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  8. 28th January 2020, 07:22 AM #8
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    ...always get a good reply from you Dave.
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  9. 7th February 2020, 02:26 PM #9
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    Still working through this issue.
    Is there a screw missing here? I see a threaded opening without an attachment.
    Mustlust

    1950 Series 1 80in lights behind grill
    1950 Series 1 80in rolling chassis looking for a body
    1956 Series 1 86in
    1956 Series 1 107
    1957 Series 1 88in
    1967 Mustang coupe 347 stroker
    2011 Discovery 4 3.0
    2009 110 utility 2.4tdci
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  10. 7th February 2020, 02:41 PM #10
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    Vac adv.....
    Stupid me
    Mustlust

    1950 Series 1 80in lights behind grill
    1950 Series 1 80in rolling chassis looking for a body
    1956 Series 1 86in
    1956 Series 1 107
    1957 Series 1 88in
    1967 Mustang coupe 347 stroker
    2011 Discovery 4 3.0
    2009 110 utility 2.4tdci
    Reply With Quote Reply With Quote
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