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Thread: 7/8 or 13/16 cylinder

  1. #1
    skyc110 skyc110's Avatar
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    Default 7/8 or 13/16 cylinder

    Hi enthusiasts
    for long time ago I thought that the rear cylinder assy.
    is 13/16" dia , as what is written on it ( My 240K is 1976 )
    I opened the cylinder from another 240K ( in my junk ) surprisingly
    I found the cylider 7/8" !!!!!!!! so which is the original ? the 240K
    which I have in my scrap collection run for two years only ( 1977-1979 )
    as the scrap owner told me so I believe every thing on it is original ..
    if any one can check his 240K ??

    [IMG][/IMG]
    the C110 240k is a not normal car

  2. #2
    Registered User aarc240's Avatar
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    Default

    It all depends on the FRONT brakes you have!

    If you have the correct brakes for a long wheel base car then the front brake calipers have two pistons (one one either side of the disk) and you would be using the 7/8" cylinders in the back. Tokico was the usual supplier of this combination.

    On the other hand, if you have the 'ANNETTE' type calipers on the front with a piston on one side only and a sliding frame then you would have 13/16" cylinders in the rear brakes. Nabco appears to have been the usual supplier of this combination.

    The 'ANNETTE' brakes and 13/16" rear cylinders are supposedly only used on the short wheel base four cylinder cars but I have found them on two 6 cylinder sedans in Australia.

    Same caution is needed re the manufacturer of the cylinder and the locking plates.

  3. #3
    skyc110 skyc110's Avatar
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    Default

    unfortunately I missed the parts manual which shows each and every
    thing .....
    generaly I don not like ANNETTE , ( pushing the rotor from one side may
    bend it ( even slightly ) especially when it is hot ...
    while pushing it from two sides ( with the same strength simultaneously )
    keep him in balance and stability.!!!!!! whose that stupid engineer who
    design the single piston ( ANNETTE ) ( actually it is not stupidity rather than
    reducing quality ( some thing well known after 1974 up to today !!!!) )
    any way 13/16 = 20.6375 mm while 7/8 = 22.225 mm so I will use the 7/8
    TOKICO which I think it is stronger to stop our six cylider car !!
    hope to find the repair kit ( 7/8" rubber and 126 dust cover locally )
    Last edited by skyc110; 05-19-2007 at 07:35 PM.
    the C110 240k is a not normal car

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