Hi everyone,

A little bit of conflicting information out there, re where the narrower and wider seals go in the calipers. See there are the two rubber seals and the metal retainer for the 7" discs.



An online video for the 8.4" disc says the narrower seal sits in the channel and the wider seal is used on the outer side, held in by the metal retainer.

The 4 pot Metro caliper how-to on Ausmini indicates that the wider seal sits in the channel and the narrower one is the "wiper" seal held by the retainer.

Anyone able to confidently clarify this for the 7" brakes by any chance?

Thanks.

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Build thread for Supercharged 1275 1967 Deluxe Resto
Build thread for Mini ute conversion 998cc Turbo

Yes I have done 7" ones before.
The wide plain section one is the fluid seal. The narrow one with the internal ribs is the dust seal.

To fit the dust seal:
Fit it into the metal retainer.
Leave piston sticking out 6 mm or more.
Slide dust seal over piston.
Ensure the retainer is sitting against the body evenly.
Press or tap it in square with a tool recessed to fit over the piston. I used nylon but alloy, steel etc will do.

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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.

Thanks very much, very much appreciated Dr Mini!

Merry Christmas

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Build thread for Supercharged 1275 1967 Deluxe Resto
Build thread for Mini ute conversion 998cc Turbo