Oil filter

for those with Series MM sidevalve cars produced between September 1948 and February 1953
Johnno
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Oil filter

Postby Johnno » Mon Jun 29, 2020 9:01 am

Hi guys,just picked up this oil filter housing.Question is will it fit straight on to my engine and work correctly?
Thanks,Johnny.
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3876B53F-60DF-495A-8C4B-0D4B53A23028.jpeg
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Power to your Pistons,Johnnydoome.

jagnut66
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Re: Oil filter

Postby jagnut66 » Mon Jun 29, 2020 10:43 am

Hi,
It looks like it would but can we see a picture of the side that mates to the engine block to be sure.
It also looks nice and shiny but you may want to paint the housing body to protect it from the elements and stop it rusting.
Best wishes,
Mike.
1954 Series 2 on axle stands needing more welding......

philthehill
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Re: Oil filter

Postby philthehill » Mon Jun 29, 2020 10:45 am

What engine is the filter assembly intended to be fitted to?

Having now looked at the AC web site - the AC filter housing assy FF21 is intended for oil filtration.

As above we need to see the face that attaches to the block.

I oil filter assy pictured was originally fitted to the SV Morris Minor engine.
Last edited by philthehill on Mon Jun 29, 2020 11:04 am, edited 2 times in total.


MikeNash
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Re: Oil filter

Postby MikeNash » Mon Jun 29, 2020 10:57 am

See here https://www.ebay.co.uk/c/3018138953 which offers oil filter elements for this AC body and says they fit a Morris Minor. So (with luck) it should be a goer.
MikeN.
Morris Minor, the car of the future. One day they will all look like this!

jagnut66
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Re: Oil filter

Postby jagnut66 » Mon Jun 29, 2020 11:06 am

Ahhh, assuming Phil is correct and that is a fuel filter, I have attached a couple of links to original Morris Minor oil filters below for you.
Best wishes,
Mike.


https://www.ebay.co.uk/itm/Morris-Minor ... SwE25e23eb

https://www.ebay.co.uk/itm/Morris-Minor ... SwrQ9e46Gg
1954 Series 2 on axle stands needing more welding......

philthehill
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Re: Oil filter

Postby philthehill » Mon Jun 29, 2020 11:13 am

Further to above:-

The SV Minor engine has two apertures/oilways in its rear face that mates to the block whereas the 'A' Series filter head only has one large apertures/oilway in its rear face as shown in jagnut's links above.

If the filter has two apertures in its rear face it will not fit the 'A' Series engine only the SV engine.

Phil
Last edited by philthehill on Mon Jun 29, 2020 11:15 am, edited 1 time in total.


Johnno
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Re: Oil filter

Postby Johnno » Mon Jun 29, 2020 11:15 am

I should have mentioned I have the side valve engine.Its a ‘52 model.
Power to your Pistons,Johnnydoome.

philthehill
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Re: Oil filter

Postby philthehill » Mon Jun 29, 2020 11:16 am

In that case it will fit provided you have the later SV engine with water pump, external oil filter and possibly car heater equipment.

See BMC wksp man illustration A4 for details.


MikeNash
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Re: Oil filter

Postby MikeNash » Mon Jun 29, 2020 1:28 pm

Phil,
Is that the early "by-pass" style of filter? If so, do we need to make the questioner aware of the restrictor orifice thingy that needs to be fitted that limits the oil flow?
Regards from MikeN.
Morris Minor, the car of the future. One day they will all look like this!

philthehill
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Re: Oil filter

Postby philthehill » Mon Jun 29, 2020 2:39 pm

Mike
The oil filter in question is for the later USHM2 918cc side valve engine. The restrictor you mention is for the APHM 803cc overhead valve engine (small 'A' Series).
See first picture in the link below:-

https://www.google.co.uk/search?q=image ... 0JHvDdqSJM


Johnno
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Re: Oil filter

Postby Johnno » Mon Jun 29, 2020 2:46 pm

This has a built in PRV,my existing one does not have this.
Power to your Pistons,Johnnydoome.

philthehill
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Re: Oil filter

Postby philthehill » Mon Jun 29, 2020 4:10 pm

The oil pressure relief valve for your SV engine is situated in the oil pump body.
By PRV i suspect you mean the blocked filter bypass valve that allows oil to bypass the oil filter element and still keep the bearings lubricated.
Your existing oil filter should have the blocked filter bypass which is located in the filter head. See illustration A4 items No: 151 - 154

The problem with the blocked filter bypass valve is that it does allow a certain amount of unfiltered oil to the engine. On some 'A' Series filter heads the valve can be blocked so only allowing fully filtered oil to the engine.


RobThomas
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Re: Oil filter

Postby RobThomas » Tue Jun 30, 2020 7:39 am

Not tempted to fit the screw on filter conversion?
filterhead1.png
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Cardiff, UK

RobThomas
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Re: Oil filter

Postby RobThomas » Tue Jun 30, 2020 7:42 am

purol3.png
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Cardiff, UK

philthehill
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Re: Oil filter

Postby philthehill » Tue Jun 30, 2020 8:20 am



RobThomas
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Re: Oil filter

Postby RobThomas » Tue Jun 30, 2020 5:48 pm

It was a Halfords HOF 205 or 250. I can't recall which and it's turned so I can't see it. :D
Cardiff, UK

philthehill
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Re: Oil filter

Postby philthehill » Tue Jun 30, 2020 8:53 pm

Rob
Thank you but neither number pops up on the Halfords oil filter web site.
If I recollect correctly you mentioned in an earlier post regarding the spin on oil filter conversion that you had to fit a shorter bodied oil filter and that is why I asked for the number for reference.
Phil


RobThomas
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Re: Oil filter

Postby RobThomas » Wed Jul 01, 2020 8:38 am

Sent one of the kids under the car. :D "HOF250W"

Not showing on Halfords, as you say. This might work. https://www.ebay.co.uk/itm/114227594114?var=


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Item specifics
Condition:
New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read more
about the condition
Custom Bundle: No
Reference OE/OEM Number: WL7071, 06A115561B, B006EM0Y7C, 184317 Oil Filter Type: Primary
Brand: Halfords Manufacturer Part Number: HOF250
EAN: 5015025501116
Cardiff, UK

philthehill
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Re: Oil filter

Postby philthehill » Wed Jul 01, 2020 2:05 pm

Rob
Thank you and special thanks to your kid for getting under the car.
Phil


Trickydicky
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Re: Oil filter

Postby Trickydicky » Sat Jul 04, 2020 4:55 pm

The Halfords part number for the oil filter is HOF203 for the spin on filter. Used them many times on my 948.
Richard

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