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PostPosted: Sun Oct 14, 2018 10:14 am 
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coopersean wrote:


:lol: :lol: must put those bald tyres and used oil filters on ebay- genuine mk1 coopers, Downton of course :mrgreen:

On ebay, need to tab down to 2nd picture


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PostPosted: Sun Oct 14, 2018 11:47 am 
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This might be worth watching. I wonder where it will finish?

https://www.ebay.co.uk/itm/BMC-Austin-M ... 0010.m2109


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PostPosted: Sun Oct 14, 2018 5:55 pm 
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Location: Bromley
https://www.ebay.co.uk/itm/1974-Austin- ... SwYcBbwg1U

looks quite tidy shame about the wheels


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PostPosted: Sun Oct 14, 2018 7:33 pm 
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Joined: Thu Jun 24, 2010 5:37 pm
Posts: 529
Location: Saskatchewan, CA
jeffsky wrote:
https://www.ebay.co.uk/itm/1974-Austin-1300GT-MOT-and-Tax-exempt/323497833933?hash=item4b51f935cd:g:dYMAAOSwYcBbwg1U

looks quite tidy shame about the wheels


" Its an Austin 1300GT which is a 1275 twin carb unit, as used in the Mk3 Mini Cooper S 1275"

Did the MkIII S use the same engine? Thought the ado16 GT used the 1275GT engine


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PostPosted: Sun Oct 14, 2018 10:46 pm 
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The 1300GT had a stated 70hp. (Same as 1071S and the Riley Kestrel.

The 1275S made 76hp.

So back in the day, the 1300GT was the best engine to swap to if the real thing was unattainable.

However many of the internals were less exotic than those of the S. Such as crank and rod materials, journal sizes, rockers, nimonic alloy 80A valves etc. Although some of this quality had been dropped by the time of the mark 3 S and the similarities between the two were more notable. Adding to the confusion was the fact that 1300 GTs were given the 11 stud head. (But not the removable tappet covers).
There is some debate as to whether some late S motors left the factory with solid wall blocks to add to the potential blurring.

It would be wrong to say that the 1300GT had an S engine but it was certainly more powerful than the contemporary detuned 1275GT.


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PostPosted: Mon Oct 15, 2018 8:05 am 
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jeffsky wrote:
https://www.ebay.co.uk/itm/1974-Austin-1300GT-MOT-and-Tax-exempt/323497833933?hash=item4b51f935cd:g:dYMAAOSwYcBbwg1U

looks quite tidy shame about the wheels


That's been doing the rounds in the trade since March when it sold for £3400 at a Brightwells auction. I recall it was not a particularly good example and thought it overpriced then - although it was better than the yellow one at the same sale.
I agree, the wheels are horrible.


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PostPosted: Mon Oct 15, 2018 9:48 am 
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If I remember rightly it isn't black tulip inside the boot.


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PostPosted: Mon Oct 15, 2018 11:06 am 
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'S'-type wrote:
There is some debate as to whether some late S motors left the factory with solid wall blocks to add to the potential blurring.



No debate - they didn't. The last Mark 3 S built had the correct original engine with the S block. Apparently some had an EN16T crank with S rods but that's about as far as it went. The Mark 3 was a run out model to use up stocks of engines - the mid seventies you could still buy new S engines complete from BL dealers. A mate of mine bought one in 1974/5 and said that the new ones were often given a lick of paint and sold as Goldseal units.


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PostPosted: Mon Oct 15, 2018 11:13 am 
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Yep I’d file that particular myth of GT engines in late Mk3 Ss alongside the early 1275GTs having S engines!


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PostPosted: Mon Oct 15, 2018 12:07 pm 
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Joined: Fri Mar 20, 2015 5:25 pm
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Over here there is a Mk3 Cooper S one of the last ten built. It has never had the engine out of it and it has the tappet chest covers just like my early Mk3 Cooper S.

There is also an Australian Mini Clubman GT over here with Mk1 body, quarter light front windows and it has a Cooper S engine from the factory. Perhaps that is why people say some Clubman GTs had S type engines. We all know the UK cars never had the S type engine fitted as standard. :D


Alan


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