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"spe" 1400 Mayfair ?

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#1 Matt Brighton

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Posted 12 May 2019 - 07:13 PM



Anyone know anything about an Austin Rover approved conversion by Sussex Performance Engineering ?


1987 SPE SX 1400 Mayfair  


Apparently only 28 sold and its a 1380 engine with over 100bhp...


Any information welcome as a friend has asked me to find out anything I can about such a model..


I have just seen recent post that was posted earlier this month... and the links to road tests.


Any further info welcome as Im helping a friend who has found one for sale from current owner who has had it for last 25 years 






Edited by Matt Brighton, 12 May 2019 - 07:44 PM.

#2 pdaykin


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Posted 14 May 2019 - 09:10 PM

I doubt that any high output conversion like that was AR approved. Willing to be proved wrong and would love to know more about it.

You used to get a few dealer specials, particularly around 88/89 to celebrate the 30th anniversary. A few were just decals. Others had more significant changes. The ones I looked at (Mrs and I were buying new then) came with dealer warranty not AR warranty.

#3 Matt Brighton

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Posted 15 May 2019 - 05:38 AM

Thanks for the reply







Hers a link to a contemporary article comparing it to the ERA.... about half way down


Apparently AR commissioned a few tuning companies to spice up the standard model and went with the ERA as it used more off the shelf parts than other proposals...

#4 r3k1355


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Posted 15 May 2019 - 01:21 PM

From the article it looks like the SX 1400 was just a tuner car made by a long defunct company, even by the time that article came out the company had been out of business a couple of years already.


Says nothing about it being approved or anything like that, I'm sure there were tuning companies up and down the country knocking out fast Minis.

#5 OzOAP


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Posted 16 May 2019 - 06:03 AM

Avonbar had the ZX in 1989.
Sold through Rover dealers with Avonbar warranty on engine/gearbox and Rover honouring their warranty on the rest of the car.

#6 Matt Brighton

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Posted 16 May 2019 - 08:29 PM

Thanks both


The car has original paperwork from AR and SPE from when it was bought new in '87.....


If it progresses any further I will let you know how we get on


Best and thanks for replies



#7 IslandBlue


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Posted 20 May 2019 - 01:01 PM



I remember these cars being produced in fact I still see the man behind it from time to time as believe it or not he sometimes drinks in the pub where my local Mini club meets.


In the late 80s he was selling off the standard parts he was removing from the cars he was converting, my friend had a delivery mileage 998 engine for a woody he was restoring and I had shocks, an exhaust and a steering wheel for the Mini City I was running at the time. 


He also built a storming 998 engine for a road rally car I had in the late 90s.  I well remember him showing us a Lotus Elan he was restoring over a cup of coffee in his alarmingly neat and tidy garage/workshop before we showed him the parts we we'd brought round as the basis of our engine build.  These had been collected on a rainy morning from a series of lock up garages belonging to a friend and were in stark contrast to his workshop being as the parts were not all very clean and resided in a selection of damp and tatty cardboard boxes  :highfive:  


If you've found the period road tests you probably know most of what there is to know but pm me and maybe I can help.



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