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Home > Help Needed / General Tech Chat > Metro/Mini inner cv/pot joint differences? | |||||||
4619 Posts Member #: 20 My sister is so fit I won't show anyone her picture Lake District |
22nd Jan, 2021 at 09:49:38pm
I’ve just discovered a brand new set of pot joints while tidying out a cupboard in the workshop.
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2618 Posts Member #: 1246 Post Whore Lowestoft, Suffolk. |
22nd Jan, 2021 at 10:02:57pm
I've a metro and a mini engine in the garage with the pots in the box still, I can have a look tomorrow and see if there is anything obvious.
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4619 Posts Member #: 20 My sister is so fit I won't show anyone her picture Lake District |
22nd Jan, 2021 at 11:06:58pm
Cheers mate.
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806 Posts Member #: 989 Post Whore North Yorkshire |
23rd Jan, 2021 at 10:29:58am
There is a bit of info here that might help.
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55 Posts Member #: 11761 Advanced Member Worcestershire |
23rd Jan, 2021 at 12:33:21pm
I have mixed and matched and never noticed a difference. Drive shafts are obviously different in length, but otherwise similar. My 998 is stock from a late model mini with its inners, running metro outers. The older 1275 was straight out of a metro, from a pick your own scrap yard, so I would have taken everything that could be seen as part of the engine and box . There might be internal differences or improvements, but I can't see rover not using what was already in the parts bin. (Unless someone decided to metricate them!!!!)
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55 Posts Member #: 11761 Advanced Member Worcestershire |
23rd Jan, 2021 at 12:33:31pm
I have mixed and matched and never noticed a difference. Drive shafts are obviously different in length, but otherwise similar. My 998 is stock from a late model mini with its inners, running metro outers. The older 1275 was straight out of a metro, from a pick your own scrap yard, so I would have taken everything that could be seen as part of the engine and box . There might be internal differences or improvements, but I can't see rover not using what was already in the parts bin. (Unless someone decided to metricate them!!!!)
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4619 Posts Member #: 20 My sister is so fit I won't show anyone her picture Lake District |
23rd Jan, 2021 at 01:15:39pm
Cheers for the replies. The boots must be good quality as I’ve had the joints for 20+ years and the rubber hadn’t dissolved yet.
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5988 Posts Member #: 2024 Formally Retired Rural Suffolk |
23rd Jan, 2021 at 06:50:53pm
From memory, when I sent a set of shafts over to the USA (as per the thread linked earlier) the pot joints themselves are essentially the same.
Edited by Rod S on 23rd Jan, 2021. Schrödinger's cat - so which one am I ??? |
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2618 Posts Member #: 1246 Post Whore Lowestoft, Suffolk. |
23rd Jan, 2021 at 11:26:01pm
I dug out what I had in the garage this afternoon but the Metro joints I've got have no inners to provide complete comparison.
Edited by shane on 23rd Jan, 2021. |
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4619 Posts Member #: 20 My sister is so fit I won't show anyone her picture Lake District |
26th Jan, 2021 at 12:03:22am
Thanks for that Shane, top effort.
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940 Posts Member #: 1424 Post Whore Carnforth, Lancs |
9th Feb, 2021 at 02:30:32pm
Phil,
Edited by graemec on 9th Feb, 2021. |
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5417 Posts Member #: 6181 Double hard bastard brookwood woking |
11th Feb, 2021 at 12:10:18am
On 9th Feb, 2021 graemec said:
Phil, There were some Metro 'heavy duty' ones which are what Rod is describing I think, these aren't that common. The Metro did also use one the same as the Mini. The heavy duty Metro ones are like this: If the ones you have 'found' are like these then I would gladly buy them from you - I use them on my rally car. I have started posting on Instagram also my name on there is turbomk1golf
On 1st Nov, 2007 Ben H said:
There is no such thing as 'insignificant weight saving', it all adds up. |
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108 Posts Member #: 9182 Advanced Member |
21st Feb, 2021 at 11:50:17am
There are two sizes.Years ago when doing a swap I had inners two big for the outers. Can't remember the source of the parts but had to use them as matched sets.The big problem would be if you put a small inner in a big outer and didn't notice. |
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108 Posts Member #: 9182 Advanced Member |
23rd Feb, 2021 at 12:25:46am
I found two of the odd CV in the workshop today.As per Shanes photo the difference on the outside is the width of the boot retainer ring.The difference in the outer part is the thickness of the wall between the ball bearings. The difference in the inner is the external diameter of the cage. Big cage will only fit thin wall but small cage will fit both. |
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108 Posts Member #: 9182 Advanced Member |
23rd Feb, 2021 at 12:33:03am
Photo of large cage sitting on thickwall outer. The thicker wall would increase the contact area with the ball bearing |
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