I want to confirm that the cooper S had an oil canister to hold oil filter
not the spin on or off oil filter

Yes it did and it was slightly different to the standard canister. Takes an R2053P filter.

aluminium canister (?)

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did I tell you that I won a trophy?

The Cooper S takes a filter that is slightly smaller in height.
I went through this with my car over ten years ago so my memory is not that fresh on the matter.
My car has an extra plate attached under the Purolator head that I believe was designed for the felt filter. I will see if I can find a photo of it.

No longer required

I think these are the separate part numbers. Bowl 17H1169, Bolt 37H689 , Collar 17H1172, Seal 508380
http://www.somerfordmini.co.uk/eshop/in ... age&id=120

Or take a chance on these non Purolator ones for parts.
http://www.ebay.com.au/itm/Morris-mini- ... SwRH5XLFVo
http://www.ebay.com.au/itm/MORRIS-MINI- ... Swr0ZXOALX

As you said that your engine was a 9FXEY I was trying to work out when the pressure switch was deleted. The parts catalogue for Somerford Mini says 1969. I was going through a few photos and it looks like the switch in the filter head was deleted sometime in the MK2 S range.

There are some photos in Ben McCafferty's resto that shows the Purolator Head without a switch. Engine number is 9FXEY55369. viewtopic.php?f=3&t=68927

I ha e plenty of 2nd hand ones here
All types
Matt
0407135656

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No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.

not looking to buy an oil filter no longer required

To gtogreen1969

is there two different harmonic balancers for morris mini and morris cooper s
as per above photograph

There is a 2 piece for the early cooper S and a 1 piece for the later cars. I am not sure of the changeover point for Aust cars.
Here is an exploded view.
http://www.somerfordmini.co.uk/eshop/in ... age&id=114

So does the photo above have an early harmonic balancer on a 9F/Xe/Y engine

Yes it does.
The later 1 piece one was same as used on Morris 1100 and 1100S.

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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 don't have an Aust parts manual to pin point the changeover.
The Somerfordmini site says 69 but most of the time the UK was ahead of us in the dates they quote.