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Thread: Brake Drums

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    Brake Drums

    I need some 11 inch drums for my current project.
    All that seems to be available are the S3 type with the larger stud size.
    Would there be a problem using those along with only one countersunk screw instead of three.?
    I could swap to S3 hubs I suppose but I dont like the look of the big nuts.
    Any suggestions?

    Keith

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    JDNSW's Avatar
    JDNSW is offline RoverLord Silver Subscriber
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    The braking and driving torque is taken on the wheel studs, all the countersunk screws do is keep the drum from falling off when you remove a wheel. What I would do is turn up five steel rings to go round each stud to prevent movement on the hub. these need to be a push fit in the holes on the drum, and a clearance fit on the studs.

    John
    John

    JDNSW
    1986 110 County 3.9 diesel
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    Quote Originally Posted by 123rover50 View Post
    I need some 11 inch drums for my current project.
    All that seems to be available are the S3 type with the larger stud size.
    Would there be a problem using those along with only one countersunk screw instead of three.?
    I could swap to S3 hubs I suppose but I dont like the look of the big nuts.
    Any suggestions?

    Keith
    Someone must supply Series II/IIa LWB drums with the correct hole size. Not sure who though......

    Just checked & Paddocks list them http://www.paddockspares.com/516599-...yl-s2-s2a.html
    Freight would add a fair bit and they are probably britpart.


    Colin
    Last edited by pop058; 1st July 2016 at 12:14 PM. Reason: edited filter dodge
    '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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    Quote Originally Posted by gromit View Post
    Someone must supply Series II/IIa LWB drums with the correct hole size. Not sure who though......

    Just checked & Paddocks list them 516599 | Brake drum-LWB front and rear 4cyl S2/S2A - Paddock Spares
    Freight would add a fair bit and they are probably britpart.


    Colin
    I bought a set of chrome swivel housings off them last month. They were blue box as well. I think I can see little rust spots coming through the chrome and I only bolted them up yesterday.
    That link for the drums says s2 and 2a then on a bit also s3 so I am not sure they dont have the holes for the bigger studs as well. I shot them off a query to confirm it.
    Last edited by pop058; 1st July 2016 at 12:15 PM. Reason: edited quoted filter dodge

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    Quote Originally Posted by 123rover50 View Post
    I bought a set of chrome swivel housings off them last month. They were blue box as well. I think I can see little rust spots coming through the chrome and I only bolted them up yesterday.
    That link for the drums says s2 and 2a then on a bit also s3 so I am not sure they dont have the holes for the bigger studs as well. I shot them off a query to confirm it.
    They listed Series III drums separately so I'd hope those were the right ones.
    It means that they are definitely supplied by britpart/ Bearmach so you should be able to get them locally from one of the usual suspects.

    My local brake supplier did manage to track some down for me from Europe, he quoted about $60 each but I found some good s/h ones so didn't buy them.

    Regarding swivels.......I was deliberating over sourcing britpart ones but then managed to buy an axle with reasonable chrome on the swivels. It seems like local re-chroming could be a better option if you can find someone who knows what they are doing......


    Colin
    Last edited by pop058; 1st July 2016 at 12:16 PM. Reason: edited filter dodge
    '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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    Quote Originally Posted by 123rover50 View Post
    I bought a set of chrome swivel housings off them last month. They were blue box as well. I think I can see little rust spots coming through the chrome and I only bolted them up yesterday.
    I had the same experience in a dry shed!

    I have covered them with very sticky grease to stop them rusting more and hopefully if I ever get the car running, the oil inside will hold the rust at bay.

    Next time I will do what I did on the S3 and fill the de-rusted pits with epoxy filler,

    Cheers Charlie

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    I sent Paddocks an email asking for confirmation on the stud size but so far no answer.
    I think I may be too anal and will fit these S3 drums anyway. If there seems to be a problem I will swap the hubs out for S3 hubs,and use the big nuts. No big deal as I have more of them than S1 anyway, its just that I like the look of the small nuts more.
    This is not a resto anyway, but a bitsa 1957 88" with a 200 tdi,LT77 and SW type body.

    Keith

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    ROVER PARTS PLUS in Ballarat have got some listed on their site. Part no 516599. Is that what you're after?.
    .W.

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    Quote Originally Posted by B.S.F. View Post
    ROVER PARTS PLUS in Ballarat have got some listed on their site. Part no 516599. Is that what you're after?.
    .W.
    Thanks Wally, I have not heard of that mob before.
    Thats the drum OK but I have already bought the metric ones.
    Never mind, I will keep them in mind for next time.
    K

  10. #10
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    Quote Originally Posted by 123rover50 View Post
    Thanks Wally, I have not heard of that mob before.
    Thats the drum OK but I have already bought the metric ones.
    Never mind, I will keep them in mind for next time.
    K
    Same part number as the Paddocks link I posted, probably from the same supplier.

    Are you going to make up rings to fit round the studs to match the holes in the drum as John suggested ? Otherwise, as he pointed out, the braking force will be carried by the three countersunk screws and friction between the drum & hub.

    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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