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dalbuie
Joined: 24 Dec 2007 Posts: 408 Location: Gullane
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Posted: Fri Oct 10, 2008 5:08 pm Post subject: Is it safe to clean this? |
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After much thought I decided to strip the engine in situ to allow for cleaning and painting. First time I've stripped anything this size and I'm wondering if it would be safe/sensible to gunk and wash all this before painting the covers and re-assembling.
It all looks pretty basic - thankfully - but I'm not sure if I could cause any damage by cleaning.
Removal of top and side covers...
Removal of sump to show oil squirters. The sump has a 1" layer of black gunge in the bottom which I will clean out, as well as cleaning all the squirters and checking their alignment.
Cheers |
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peter scott
Joined: 18 Dec 2007 Posts: 7118 Location: Edinburgh
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Posted: Fri Oct 10, 2008 5:38 pm Post subject: |
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For the interior it might be better to use parafin rather than Gunk. I don't think it would be nice to fill bearings and passages with wash water.
Peter _________________ http://www.nostalgiatech.co.uk
1939 SS Jaguar 2 1/2 litre saloon |
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dalbuie
Joined: 24 Dec 2007 Posts: 408 Location: Gullane
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Posted: Fri Oct 10, 2008 5:45 pm Post subject: |
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I think I have an old pressure spray from the garden that I might be able to fill with paraffin. That and a couple of soft brushes might do. |
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Rick Site Admin
Joined: 27 Apr 2005 Posts: 22439 Location: UK
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peter scott
Joined: 18 Dec 2007 Posts: 7118 Location: Edinburgh
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Posted: Fri Oct 10, 2008 6:50 pm Post subject: |
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dalbuie wrote: | That and a couple of soft brushes might do. |
Actually you may find stiffish brushes more effective. Old paint brushes where the bristles are well worn down work well.
P. _________________ http://www.nostalgiatech.co.uk
1939 SS Jaguar 2 1/2 litre saloon |
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dalbuie
Joined: 24 Dec 2007 Posts: 408 Location: Gullane
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Posted: Fri Oct 10, 2008 8:55 pm Post subject: |
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Cheers. I'll have a go over the weekend, you can always pop past with Ken on Sunday if you want to help |
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buzzy bee
Joined: 23 Nov 2007 Posts: 3382 Location: South Cheshire
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Posted: Fri Oct 10, 2008 9:14 pm Post subject: |
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Hi
They are some long push rods!
Sorry for my ignorance but what does the cover look like, as the sparking plugs seem to be under the cover?
Cheers
Dave |
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dalbuie
Joined: 24 Dec 2007 Posts: 408 Location: Gullane
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Posted: Fri Oct 10, 2008 10:15 pm Post subject: |
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Here's the engine before I removed the cover
I take lots of pictures so I can remember how it all goes back together |
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buzzy bee
Joined: 23 Nov 2007 Posts: 3382 Location: South Cheshire
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Posted: Fri Oct 10, 2008 10:42 pm Post subject: |
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Hi
Cheers, I see how it is now, pics are a good idea, phone cameras saved me at college dismantling tractors on more than one ocassion.
Cheers
Dave |
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peter scott
Joined: 18 Dec 2007 Posts: 7118 Location: Edinburgh
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Posted: Fri Oct 10, 2008 11:13 pm Post subject: |
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dalbuie wrote: | Cheers. I'll have a go over the weekend, you can always pop past with Ken on Sunday if you want to help |
On Wednesday we took the sump off Ken's Mark IV too, also with a view to cleaning it out. He's been seeing his oil pressure drop when going round right hand bends. So far we discovered that there was no sump gasket fitted but just some sealent and it looks like some bits of that sealant got into a split it the oil pump strainer.
Peter _________________ http://www.nostalgiatech.co.uk
1939 SS Jaguar 2 1/2 litre saloon |
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Jim Walker
Joined: 01 Oct 2008 Posts: 124 Location: Chesterfield, Derbys.
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Posted: Fri Oct 10, 2008 11:18 pm Post subject: |
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What engine is this? It looks vaguely Triumph, though with that side push-rod (cum everything else) cover I doubt it.
Also, what are you meaning by "squirters". It is a term I have never heard applied to an engine and I can't see anything in the pic' that looks as if it squirts.
Jim. |
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buzzy bee
Joined: 23 Nov 2007 Posts: 3382 Location: South Cheshire
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Posted: Fri Oct 10, 2008 11:33 pm Post subject: |
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Hi
A Certain Yank Pickup by any chance?
Cheers
Dave |
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peter scott
Joined: 18 Dec 2007 Posts: 7118 Location: Edinburgh
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Posted: Fri Oct 10, 2008 11:41 pm Post subject: |
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Jim Walker wrote: |
Also, what are you meaning by "squirters". |
Jim,
Look at the big end caps. (There's one just visible at the top of the picture.) Maybe dippers or scoops would be the terms we'd use this side of the pond.
Peter _________________ http://www.nostalgiatech.co.uk
1939 SS Jaguar 2 1/2 litre saloon |
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dalbuie
Joined: 24 Dec 2007 Posts: 408 Location: Gullane
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Posted: Sat Oct 11, 2008 9:07 am Post subject: |
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It's from a 1941 Chevy pickup with the original 216 low pressure engine. They are probably best called dippers and oil nozzles.
From the stovebolt forum:
There is "full-pressure" lubrication of cam and main bearings, the rocker arm assembly, and the timing gears. The "dipper" system is for rod bearing lubrication is not really a "splash-oil" system (as many people now call it).
Q. Does the "dipper" system actually collect oil as the dippers move through the oil near the bottom of the pan?
Or, do the dippers receive oil that is sprayed into them by an array of tubes that are fed by the oil pump?
A. Yes, both.
If you want to look at the manual it can be found @ http://chevy.oldcarmanualproject.com/shop/1942_47/4247csm620.htm |
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Jim Walker
Joined: 01 Oct 2008 Posts: 124 Location: Chesterfield, Derbys.
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Posted: Sat Oct 11, 2008 8:36 pm Post subject: |
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Thanks very much. I saw the oil pump and did not see the 'Dipper'. I have never before seen both on the same engine. I thought dippers had died when oil pumps were introduced.
I presume that when you remove the big-end caps you will find no oilways in the crank to feed oil from the main-bearings. I imagine that oil level is very critical on this engine. A bit archaic, but all bearings need is an adequate supply of oil. Pressurising the oil system is only the means to ensure that supply. An internal phenomenon in a rotating bearing called an "oil wedge" keeps the bearing surfaces apart.
Jim. |
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