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Old 10-20-2024, 09:34 PM   #1
RHD
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Default Oil return pipe and Tappet cover.

Oil return pipe and valve cover parts anomaly in parts book.
There were two Model 'A' oil return pipes and two valve covers each with their respective pipes.
I have a parts book dated 1st July 1932 and it covers just about all mechanical parts except some of the really early parts.
The book shows an oil return pipe A-6645 and a tappet cover A-6520.
I presume they are a matching pair.
What happened to the other oil return pipe and it's cover? They are not in the book. These parts are very common and found in just about all home workshops all around the world.
Is this an error?
Like to hear your comments. I have attached pictures from the parts book.
Attached Images
File Type: jpg A-6520 Valve cover JPG.jpg (96.5 KB, 97 views)
File Type: jpg A-6645 Pipe JPG.jpg (72.0 KB, 88 views)
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Old 10-20-2024, 09:53 PM   #2
J Franklin
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Default Re: Oil return pipe and Tappet cover.

Ford dropped selling the early version so it wouldn't be in a parts book.
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Old 10-21-2024, 10:30 AM   #3
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Default Re: Oil return pipe and Tappet cover.

Quote:
Originally Posted by RHD View Post
[B]What happened to the other oil return pipe and it's cover? They are not in the book. These parts are very common and found in just about all home workshops all around the world.k.
Ha ha ha
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Old 10-21-2024, 03:12 PM   #4
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Default Re: Oil return pipe and Tappet cover.

While we are on side covers
What is the small V cut out on the top centre of the gasket
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Old 10-21-2024, 09:38 PM   #5
Kurt in NJ
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Default Re: Oil return pipe and Tappet cover.

The gasket in the picture is upside down— the V is to seal the 2 oil dams inside the valve chamber.
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Old 10-21-2024, 09:42 PM   #6
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Default Re: Oil return pipe and Tappet cover.

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The gasket in the picture is upside down— the V is to seal the 2 oil dams inside the valve chamber.

They did that so it would match the cover which is upside down also.
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Old 10-21-2024, 10:18 PM   #7
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Default Re: Oil return pipe and Tappet cover.

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They did that so it would match the cover which is upside down also.

The OP is in New Zealand, that’s probably why all the pictures are upside down [emoji854]
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Old 10-22-2024, 12:52 AM   #8
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Default Re: Oil return pipe and Tappet cover.

not an error
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Old 10-22-2024, 01:49 AM   #9
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Default Re: Oil return pipe and Tappet cover.

I am not talking about the little knob part that is in the top in the pick,
The little vee cutout is in the top of the gasket as it sits one the engine, just under the manifold right in the area where the spring that holds the distributor drive gear in place
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Old 10-22-2024, 11:39 AM   #10
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Default Re: Oil return pipe and Tappet cover.

Quote:
Originally Posted by Lawrie View Post
I am not talking about the little knob part that is in the top in the pick,
The little vee cutout is in the top of the gasket as it sits one the engine, just under the manifold right in the area where the spring that holds the distributor drive gear in place
lawrie

What vee cutout?
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File Type: jpg A-6521-C.jpg (8.2 KB, 22 views)
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Old 10-22-2024, 12:02 PM   #11
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Default Re: Oil return pipe and Tappet cover.

Quote:
Originally Posted by Bob C View Post
What vee cutout?
Isn't there an oil dam in the valve chamber that that little whatsis seals to?
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Old 10-22-2024, 03:11 PM   #12
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Default Re: Oil return pipe and Tappet cover.

The gaskets sold here in Australia have it, I will post a photo
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Old 10-22-2024, 07:46 PM   #13
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Default Re: Oil return pipe and Tappet cover.

This is the gasket
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Attached Images
File Type: jpg 8612F099-B521-48B7-B36D-FD81F2217B16.jpg (88.0 KB, 34 views)
File Type: jpg B7A9E9A1-0452-43A4-97C7-339F95AA9975.jpg (85.9 KB, 34 views)
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Old 10-22-2024, 08:06 PM   #14
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Default Re: Oil return pipe and Tappet cover.

That's the same gasket, the tabs are for the oil dams in the valve chamber.
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File Type: jpg Valve Chamber.jpg (15.3 KB, 9 views)
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Old 10-22-2024, 10:42 PM   #15
J Franklin
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Default Re: Oil return pipe and Tappet cover.

I see the cut. Maybe just a damaged die.
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Old 10-22-2024, 11:48 PM   #16
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Default Re: Oil return pipe and Tappet cover.

It’s not the bit that seals the oil dams
It’s the little cut out vee in the top,they are a pain , as there is a relief in the block that allows the drive gear spring to seat in and unless you are very careful this vee exposes the groove where the said spring seats and will leak oil .
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Old 10-23-2024, 11:27 AM   #17
Bob C
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Default Re: Oil return pipe and Tappet cover.

OK, now I see what your talking about. I'm a little slow some times.
Attached Images
File Type: jpg valve cover gasket.jpg (88.9 KB, 25 views)
File Type: jpg valve chamber 2.jpg (20.9 KB, 26 views)
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Old 10-23-2024, 03:08 PM   #18
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Default Re: Oil return pipe and Tappet cover.

Bob, thanks for the pics, thats it
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Old 10-25-2024, 07:20 PM   #19
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Default Re: Oil return pipe and Tappet cover.

Regarding the two oil return pipes and tappet covers.
I presume the parts numbered: Oil return pipe A-6645 and a tappet cover A-6520 are reasonably early, probably 28 and part 29.
Should the later parts be A-6645-B, and A-6520-B? Just as all the other parts are numbered in the parts book - 'B' 'C', etc.
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