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8.4 to 7.5 inch disc brake conversion
https://www.ausmini.com/forums/viewtopic.php?f=5&t=94259
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Author:  JC69 [ Sun Nov 20, 2016 2:36 pm ]
Post subject:  8.4 to 7.5 inch disc brake conversion

Hi

I would like to swop my 8.4" discs for 7.5" system so I can run 10inch rims
On my Mini K. I haven't had the car too long a few months so I didn't add the
8.4 inch brakes myself. I am considering just buying the discs, calipers and drive flanges
Does that sound sensible or should I purchase the whole 7.5 system ? Is there any
specific parts that could be worn out on the old system that I should be careful of ?
If I go down the part replacement route have I missed any parts from my shopping list ?
Thanks
Jason

Author:  andrew9 [ Sun Nov 20, 2016 3:05 pm ]
Post subject:  Re: 8.4 to 7.5 inch disc brake conversion

I think you can machine down your current rotors and use certain calipers, not sure if Cooper S caliper would work.
KAD 4 spots for 10" wheels are are based on vented 8.4 disks machined down with their calipers, but I'm not sure what other calipers might work

Or:

http://www.minispares.com/product/Class ... 013MS.aspx

Author:  1071 S [ Sun Nov 20, 2016 6:15 pm ]
Post subject:  Re: 8.4 to 7.5 inch disc brake conversion

Do I read that correctly :shock: MS calipers are UKP150 odd cheaper than the "genuine" (???) S version?

Cheers, Ian

Author:  simon k [ Sun Nov 20, 2016 7:34 pm ]
Post subject:  Re: 8.4 to 7.5 inch disc brake conversion

JC69 wrote:
discs, calipers and drive flanges


that's all you need, and pads obviously

edit: here's the kit, up to you whether it's best to replace everything... the upside of that is that everything is new, but $$ may be better spent elsewhere

http://minispares.com/product/Classic/B ... 0to%20shop

edit: oops, sorry Andrew, I saw the link in your post but forgot...

Author:  Phil 850 [ Sun Nov 20, 2016 8:23 pm ]
Post subject:  Re: 8.4 to 7.5 inch disc brake conversion

I got my kit from Karcraft, but I'm sure any mini parts suppliers can do a kit for you.
I only replaced the bits I needed to.

Author:  JC69 [ Mon Nov 21, 2016 12:16 pm ]
Post subject:  Re: 8.4 to 7.5 inch disc brake conversion

Thanks for the advice guys

Author:  peterb [ Mon Nov 21, 2016 5:24 pm ]
Post subject:  Re: 8.4 to 7.5 inch disc brake conversion

dont forget rear cylinders.

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