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Old 11-21-2021, 08:27 PM   #1
doug.nichols
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Question Head Label

Does anyone have a guess as the origin of the head shown in the attached picture? One stamping/label says "MADE N U.S.A" and the other one says "2-28-33".

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Old 11-21-2021, 08:39 PM   #2
ursus
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Default Re: Head Label

Could be any one of the various after-market foundries making replacement heads for the Model-A during the 1930's. Sears Roebuck, Montgomery Wards, Western Auto, etc. sold Model-A parts well into the 1960's.
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Old 11-21-2021, 11:38 PM   #3
Gary WA
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Default Re: Head Label

Usually heads made after 1931 had these types of markings.
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Old 11-22-2021, 12:29 PM   #4
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Default Re: Head Label

Just curious if it’s a high compression head?
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Old 11-22-2021, 03:14 PM   #5
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Default Re: Head Label

my indication would be no as far as picture goes, But??
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Old 11-22-2021, 03:54 PM   #6
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Default Re: Head Label

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I don't actually know...never been off the engine during my ownership.
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Old 11-23-2021, 10:01 AM   #7
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Default Re: Head Label

A compression check will let you know if the head is high compression or not. Add a little oil to the cylinders first to remove the rings from the picture. The stock head will produce about 50 psi and a high compression head about 90 psi.
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Old 11-23-2021, 11:24 AM   #8
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Default Re: Head Label

Look at the front of the head, on the lip below the water outlet. Is there any markings on there?
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Old 11-23-2021, 01:41 PM   #9
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Default Re: Head Label

No markings on the lip below the water jacket. Compression is around 50. So, unlikely that this is a high compression head.
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Old 11-23-2021, 07:29 PM   #10
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Default Re: Head Label

Ford outsourced casting for the model A after regular production stopped and same with cylinder blocks. This is where the diamond blocks came in. They kept building the model A engines on a separate line till 1941 for agricultural products and industrial applications. The late B engines had the C head but even they eventually went out of regular production.

Most aftermarket heads were for higher compression applications.
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Old 11-23-2021, 10:39 PM   #11
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Default Re: Head Label

I have one just like it except mine says 43 I think instead of 33. It is a low compression stock model A head.

Mike
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Old 11-24-2021, 09:01 AM   #12
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Default Re: Head Label

I had one of those, very similar looks & date. My Dad had told me once it was a higher compression head because the chambers were more heart shaped than round? I didn't really need it so I let it go.
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