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Thread: Series Air Cleaner differences

  1. 18th April 2015, 02:01 PM #1
    gromit's Avatar
    gromit
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    Series Air Cleaner differences

    I'm just in the process of re-painting the air filter assembly for my Dormobile and a few 'rivet counting' questions came to mind.

    Most I've seen are painted black but the Dormobile (1965 UK production) and IIa GS (1970 Australia production) have silver, hammer finish air cleaners. Was there a point that they changed colours ?

    The picture below shows a 6-cylinder air cleaner (Series III FFR) on the left and a 4-cylinder on the right. The 6-cylinder air cleaner is taller and the top section has taller slots.




    Was this an Army 'thing' or was the 6-cylinder air cleaner bigger ?

    I've noticed in the past that the latches on the lower section changed during Series III. They switched from a latch made of pressed parts (above right) to one that uses clips made of wire (above left). Again, was there a known point when this changed ?

    You can tell I've been stuck in the shed most of the day (due to the rain), I think I need to get out more.


    Colin
    '56 Series 1 with homemade welder
    '65 Series IIa Dormobile
    '70 SIIa GS
    '76 SIII 88" (Isuzu C240)
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  2. 18th April 2015, 08:28 PM #2
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    taller inlets for more air flow due to more capacity and rpms...

    its also setup for crankcase ventilation from the body of the cleaner as opposed to the carby horn or the in trunk fitting. (although I dont think the intrunk joiner fitting was land rover standard and was fitted to only some models for emission complaince during the changeover period)
    Dave

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  3. 19th April 2015, 05:49 AM #3
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    As Dave says, bigger filter for the bigger engine. And for the other changes, including paint colour, I very much doubt that there is any specific changeover point - and it will have varied according to where the vehicle was built, anyway. All part of the "progressive improvement " policy.

    John
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  4. 19th April 2015, 10:18 AM #4
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    Quote Originally Posted by Blknight.aus View Post
    its also setup for crankcase ventilation from the body of the cleaner as opposed to the carby horn or the in trunk fitting. (although I dont think the intrunk joiner fitting was land rover standard and was fitted to only some models for emission complaince during the changeover period)

    The additional connection was blanked off when I got the vehicle, I did wonder if it was an 'in service' mod. Being blanked off maybe this aircleaner wasn't originally fitted to this vehicle.

    Colin
    '56 Series 1 with homemade welder
    '65 Series IIa Dormobile
    '70 SIIa GS
    '76 SIII 88" (Isuzu C240)
    '81 SIII FFR
    '95 Defender Tanami
    Motorcycles :-
    Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C, Suzuki SV650
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