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Discussion Starter · #1 ·
Bought a bit of equipment that I used back in my MGR days - an on-car brake disc skimming machine.

Had a Rover 600 with heavily corroded front brake discs - they weren't that old but failed an MOT.

Rather than fit new discs (which on a 600 is a big job involving new wheel bearings etc) a light skim restored them to as-new condition!



and a close-up of cutting in action....



and one refaced disc, ready for MOT. Took 40 mins for each disc.

 

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Discussion Starter · #3 ·
Corroded/scored/pitted brake discs, and it also fixes brake judder, albeit when the disc is within the parameters for minimum thickness. That's one thing you have to be mindful of.
 

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Impressive.

I guess only really of use as like your example when the cost of replacing disks makes it worthwhile. How much do they cost?
 

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Discussion Starter · #6 ·
Disc are about £20+VAt each, but it's the arse-about-face way in which they are mounted behind the hubs which gives the aggro.

9 times out of ten the wheel bearing will be destroyed when doing the job.

The machine was circa £2000 iirc back in about 1994 when we bought it.
 

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Disc are about £20+VAt each, but it's the arse-about-face way in which they are mounted behind the hubs which gives the aggro.

9 times out of ten the wheel bearing will be destroyed when doing the job.

The machine was circa £2000 iirc back in about 1994 when we bought it.
Why o why o why did they do that?

Skimming machine available for hire - PM me for details
Might just take you up on that..what sort of pennies are we talking about?
Jim
 

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Hi Dr Dave,
Viewing the tool it set me thinking.
I wondered if you have ever had a V6 or diesel clutch plate lightly skimmed in a lathe to clean it up?
I used to get mine done for around £40 for my Rover P6S of 70s vintage.

If you have, do you know the MGR recommended min thickness of plate?
Seems flywheels cost around £300 new, probably could well be refurbished & save owners a lot of cash.
There must be an awfull lot in the garage trash cans judging by the main forum comments
Buisness opportunity?
Regards M
 

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Discussion Starter · #16 ·
Never heard of clutch friction plates being 'skimmed' or cleaned up!

Clutch plates are about £75ish for a 75
 

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Nice tool.


Also useful for when the past owner fitted cheap pads that arnt quite full sweep of the disc, and I now have a pronounced lip in the edge of my discs :(
 
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