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Old 01-01-2020, 09:36 PM   #1
Flathead Youngin'
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Default Pressure Test Plate Patterns/Drawings

Does anyone have the drawings or files for, say, a 59a style head gasket and water pump? I'm not wanting to make gaskets, I may have access to a water jet and would like to maybe have some pressure testing plates cut out. I don't have access to good drawing software any longer....
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File Type: jpg Flathead Pressure Test Plates.jpg (20.4 KB, 21 views)
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Old 01-01-2020, 10:12 PM   #2
JSeery
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Default Re: Pressure Test Plate Patterns/Drawings

Can you use a head gasket & water pump gasket for a pattern?
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Old 01-01-2020, 10:13 PM   #3
Pete
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Default Re: Pressure Test Plate Patterns/Drawings

Quote:
Originally Posted by Flathead Youngin' View Post
Does anyone have the drawings or files for, say, a 59a style head gasket and water pump? I'm not wanting to make gaskets, I may have access to a water jet and would like to maybe have some pressure testing plates cut out. I don't have access to good drawing software any longer....
Several ways to do that.
1- Get some used or new gaskets for patterns.

2- Rub trace the areas to paper. Make sure the paper is fastened tight so it
doesn't move during rubbing.

3- Try some of the free drawing programs available for download.
I have not used this one but it looks like it might work.

http://www.inkscape.org/en/

While you are machining the head plate you can install holes for installing dowel pins to locate heads.
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Old 01-02-2020, 12:54 AM   #4
JSeery
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Default Re: Pressure Test Plate Patterns/Drawings

Pete, where is the best general location for the pins?
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Old 01-02-2020, 05:48 AM   #5
Mart
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Default Re: Pressure Test Plate Patterns/Drawings

I've been using QCAD it seems pretty good.
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Old 01-02-2020, 06:33 AM   #6
GOSFAST
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Default Re: Pressure Test Plate Patterns/Drawings

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Originally Posted by JSeery View Post
Pete, where is the best general location for the pins?
Hi J, the best position we've found is just outside the 2 end head bolts, we use SBC timing cover dowel pins (.250"). One or two will hit water so we seal the pins just as a precaution even though the press-fit won't allow a leak.

We use our honing plate as the template to locate the holes. We drill the block holes with a letter "D" drill and the head and gasket holes .250".

Began doing this procedure about 20 years or so back!

Thanks, Gary in N.Y.

P.S. Wishing all here a very Happy New Year!
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File Type: jpg Flathead Block Deck-Pinning Fixture.JPG (95.1 KB, 64 views)
File Type: jpg Flathead Ford Block-Pinned B.JPG (80.4 KB, 60 views)
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Old 01-02-2020, 12:22 PM   #7
Pete
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Default Re: Pressure Test Plate Patterns/Drawings

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Pete, where is the best general location for the pins?
I do them similar to Gary but down in the corners. It is not critical.
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