Classic cars forum & vehicle restoration.
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ukdave2002
Joined: 23 Nov 2007 Posts: 3631 Location: South Cheshire
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Posted: Thu Oct 29, 2020 4:12 pm Post subject: |
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Result
They were originally negative earth, oil pressure release should be 60lb so assuming the gauge is correct its looking good. |
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Rick Site Admin

Joined: 27 Apr 2005 Posts: 21622 Location: UK
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Posted: Thu Oct 29, 2020 4:34 pm Post subject: |
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ukdave2002 wrote: | Result
They were originally negative earth, oil pressure release should be 60lb so assuming the gauge is correct its looking good. |
Phew!
RJ _________________ Rick (OCC Admin)
Various 1920s-1960s - Austin, Morris, Commer, Dodge etc. |
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bjacko
Joined: 28 Oct 2013 Posts: 126 Location: Melbourne Australia
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Posted: Fri Oct 30, 2020 6:49 am Post subject: Morris 8 video |
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The oil pressure is controlled by the relief valve in the oil pump. The length of the spring should be about one inch to give 60psi which is recommended maximum. |
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old iron
Joined: 22 Mar 2016 Posts: 116
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Posted: Fri Oct 30, 2020 11:45 am Post subject: |
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An enjoyable vid’ not many pre war in such good unrestored condition, nice find.  |
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peter scott

Joined: 18 Dec 2007 Posts: 6472 Location: Edinburgh
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Posted: Fri Oct 30, 2020 12:05 pm Post subject: |
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You'll have it out on the road in no time!
Peter _________________ http://www.nostalgiatech.co.uk
1939 SS Jaguar 2½ litre saloon |
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Rick Site Admin

Joined: 27 Apr 2005 Posts: 21622 Location: UK
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Posted: Wed Nov 04, 2020 1:04 pm Post subject: |
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More progress on the Morris 8 over the last few days.
The next job was to establish a reliable supply of fuel from the tank. So I drained the latter, cleaned the filter, blew the front/back line through then set to work re-awakening the electric pump.
With that done it was time to try the gears and clutch, so out of the garage for a few cautious test drives. The basics appear to work ok, maybe the clutch could be adjusted as it bites a little lower than I think it should (is it adjustable?), but so far the signs are positive.
Junior also had a few brief goes behind the wheel to try it out for size.
There's a bit of blue smoke from the exhaust. This could be tired rings, worn valve guides, or it could be a combination of them plus old engine oil, gummed-up rings, and the remnants of the diesel I poured into each cylinder before getting it to run. We'll see! Does anyone know if rings can be replaced in-situ, or is it an engine-out job?
A video cataloguing these latest exploits, and junior's "driving lessons", is now on YT: https://youtu.be/TR9w0qrharI
RJ _________________ Rick (OCC Admin)
Various 1920s-1960s - Austin, Morris, Commer, Dodge etc. |
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kevin2306
Joined: 01 Jul 2013 Posts: 1350 Location: nr Llangollen, north wales
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Posted: Wed Nov 04, 2020 5:39 pm Post subject: |
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That car is a gem Rick |
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Ray White

Joined: 02 Dec 2014 Posts: 4086 Location: Derby
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Posted: Wed Nov 04, 2020 8:27 pm Post subject: |
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I believe you can do the job without taking the engine out but I think it is easier if you do. I would do the valves and timing chain at the same time. I always replace the big end bolts as a matter course and take care to remove the cylinder ridges.
You know all that stuff anyway so it's your call. |
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Rick Site Admin

Joined: 27 Apr 2005 Posts: 21622 Location: UK
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Posted: Wed Nov 04, 2020 9:46 pm Post subject: |
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Ray White wrote: | I believe you can do the job without taking the engine out but I think it is easier if you do. I would do the valves and timing chain at the same time. I always replace the big end bolts as a matter course and take care to remove the cylinder ridges.
You know all that stuff anyway so it's your call. |
I just wondered whether it was physically possible to do it with the engine in-situ. Years ago I had to do the rings on my green Ford pickup, and was able to do it this way. I've no plans to do the Morris yet, not until it's had some lengthy runs and further checks/TLC.
RJ _________________ Rick (OCC Admin)
Various 1920s-1960s - Austin, Morris, Commer, Dodge etc. |
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goneps
Joined: 18 Jun 2013 Posts: 602 Location: Auckland, New Zealand
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Posted: Wed Nov 04, 2020 10:05 pm Post subject: |
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Rick,
Referring to your video, the diff looks like a Morris 8 item, and (lucky you) it's the later cast steel housing rather than the early aluminium one that was very weak. You should be able to find the part no. 81969 on the casting.
The diff. ratio was changed at chassis no. 183066 from 8/43 to 7/37. For all practical purposes the gearing is the same.
Oh, and by the way, "they" don't say "The proof is in the pudding", or at least they shouldn't because it doesn't make sense. The saying is, "The proof of the pudding is in the eating".
Might as well offer advice on English proverbs as well as M8 detail!
Richard |
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Rick Site Admin

Joined: 27 Apr 2005 Posts: 21622 Location: UK
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Posted: Wed Nov 04, 2020 11:33 pm Post subject: |
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goneps wrote: | Rick,
Referring to your video, the diff looks like a Morris 8 item, and (lucky you) it's the later cast steel housing rather than the early aluminium one that was very weak. You should be able to find the part no. 81969 on the casting.
The diff. ratio was changed at chassis no. 183066 from 8/43 to 7/37. For all practical purposes the gearing is the same.
Oh, and by the way, "they" don't say "The proof is in the pudding", or at least they shouldn't because it doesn't make sense. The saying is, "The proof of the pudding is in the eating".
Might as well offer advice on English proverbs as well as M8 detail!
Richard |
Fair enough, I just make all this up on the fly so the occasional (ahemm) verbal hiccup may creep in. That's my excuse
RJ _________________ Rick (OCC Admin)
Various 1920s-1960s - Austin, Morris, Commer, Dodge etc. |
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Ray White

Joined: 02 Dec 2014 Posts: 4086 Location: Derby
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Posted: Thu Nov 05, 2020 12:24 am Post subject: |
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I think you have the right idea, Rick. I am sure this is one of those cars that is just crying out to be used. The more it gets driven, the better it will get.
Cross a bridge when you come to it.
(I replaced the rings on my GT6 with the engine in situ. It was all going so well until the strop from the rafters holding the engine snapped. It resulted in a bent prop shaft! You can imagine the expletives )  |
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bjacko
Joined: 28 Oct 2013 Posts: 126 Location: Melbourne Australia
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Posted: Thu Nov 05, 2020 8:04 am Post subject: Morris 8 |
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Certainly looks like a Morris 8 Ser I, II and E diff.
The fuel hose is not the correct type, it should be metal braided type.
To loosen up the rings the first thing to try is a dose of Redex in each cylinder overnight then should be Ok. Expect a lot of smoke. Don't put more than a teaspoonful in each cylinder or it may "hydraulic" and damage a conrod(s). |
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ukdave2002
Joined: 23 Nov 2007 Posts: 3631 Location: South Cheshire
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peter scott

Joined: 18 Dec 2007 Posts: 6472 Location: Edinburgh
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Posted: Thu Nov 05, 2020 10:52 am Post subject: |
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https://hosting.photobucket.com/images/o180/ukdave2002/diff1.jpg[img][/img] _________________ http://www.nostalgiatech.co.uk
1939 SS Jaguar 2½ litre saloon |
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