I saw this posted of a Facebook site and the responses were very confusing. The owner said it was one of the first wind down window minis in the country. I am thinking a late 850 that has had an engine transplant, re registered 3 years after originally sold and badged as a deluxe.

YMA2S1-5-3093 = a late Mini 850 YMA2S1 53093 around Oct 1964?
9WRUH 16075 = 998cc engine from a Wolseley Hornet or Riley Elf?
ETU064 = NSW rego from 1968?

G'day GTOGreen, this one is a tin of worms, but I'm pretty sure the ETU rego is from 1967, as I recall us buying two cars in early 1968 where the plate numerals went back to starting with an "A", & in 1966 my Mum bought a new car ENT, so 1967 seems to fit?

My 68 deluxe was aef270

My 68 HR was ERC (wollongong area)

66 deluxe in Sydney was ANM...

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"Show me the Mini!"

I wonder sometimes if the was registered at low turn around registry the sequence may not correspond with high turn over offices

Any ideas on what the car is? I am presuming a late 850. Badged as a deluxe with a Hornet/Elf motor.

The motor is a mystery into why

After 50+ years anything is possible. I once bought a deseamed Deluxe with a 998A+ Rover motor in.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

I think they said the rego receipt is from the late 60's.

The strange thing is it has a motor in it from a car we never had over here

If we assume the build number is correct at YMA2S1 53093 this would make it September 64 model. The correct engine should have been around 8Y/U/H 12600.
The current engine, at the date of the rego papers, number 9WR/U/H is interesting in that 9WR is definitely a 998cc Rilet Elf engine, someone has updated the 848cc to 998cc.
I replaced the plates on my first car early in 1969 and they were ARW, a chap I went to school with had an Anglia which was registered ESS in 1968

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John Sneddon
0408 431 807
1963 Morris Cooper
1965 Morris 850
1968 Morris Cooper S

could the engine have been a spare part one back then?

Back then if you bought a NEW block or motor from BMC it had NO stamped numbers. I bought 2, a 997 block, and a Morris 1100S 1275 short motor.
I'd say someone's fitted a S/H Riley elf motor sometime after original registration., before 1967.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

NZ engine?

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67 Deluxe
Dry suspension
1293cc, 11:1 comp, RE 282 camshaft, 45 Weber, extractors etc
4 synchro close ratio gbox
Cooper S brakes, no booster
Stealth box, as Doc says "goes harder and idles!"
RH tank cos I needed it crossing the Nullarbor etc..