I've just changed to new disc pads. The old ones where fitted with thin metal shims, they may have originally been bonded to the pads I'm not sure ( one seemed stuck) and one has always been missing.

Are these necessary? I assume they are anti squeal but they don't seem to act as any kind of slight spring as I would expect.

If they are worth fitting where do I get them for standard 7.5 discs.

Cheers

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68 Morris Cooper S Mk1 (*ex 78 1275 LS 4th last built, 70 Morris 1500 OHC & 70 MiniMatic)

They stop your pads from squealing, which doesn't seem to be such a problem anymore. I go without, but I have a set of four here in case I need them. I haven't in a dozen years however.

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SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.

When you say sqealing I assume you mean when the brakes are applied. The only problem I ever had was sometimes a faint squeak - squeak - squeak - squeak - squeak - squeak - as you drove with the brakes off which would disappear if you lightly touched the brakes.

Hopefully not a problem with the new pads.

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68 Morris Cooper S Mk1 (*ex 78 1275 LS 4th last built, 70 Morris 1500 OHC & 70 MiniMatic)

Many pads sold now have a coating on the back to prevent squealing.
If the pads don't come with shims (usual now) they should not need them.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Ok cheers.

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68 Morris Cooper S Mk1 (*ex 78 1275 LS 4th last built, 70 Morris 1500 OHC & 70 MiniMatic)