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Thread: My little Series 2

  1. #101
    Join Date
    Jan 1970
    Central West NSW
    The dropping idle and stall is probably the rich running - mixture suits the cold engine, but is too rich when the engine is warm. If adjusting idling mixture does not fix it, then it is probably a carburettor issue. I don't remember what carbie you have, but with the Zenith this is usually the O-ring not sealing perfectly. There is a slight possibility that it is something else, such as a heat sensitive part of the ignition system, or that the engine is actually overheating.

    The base of the carburettor will normally get cold - evaporating petrol takes heat. Nothing to worry about until you get ice build up internally - never heard of that happening in this engine. That is why the exhaust manifold is attached to the inlet manifold. Early exhaust manifolds had a thermostat controlled deflector that adjusted the amount of heat, but later ones dropped this. Probably reduces maximum power slightly.

    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

  2. #102
    Join Date
    May 2011
    Warrandyte, VIC
    JDNSW - It's a Zenith Carby (new).

    I have some gaskets and o-rings on the way, so i'll replace what I can and see what happens.
    1960 SWB Series 2 UTE
    1963 LWB Series 2a UTE

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