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09-06-2020, 08:57 PM | #1 |
Senior Member
Join Date: May 2010
Posts: 203
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A head question
I'm overhauling a model A engine I acquired this summer. The serial number is not the regular number used on cars and trucks, so I assume it was a commercial engine. The numbers look to be factory correct. But the main thing that puzzles me is the head. It looks like a standard head but on the top, just behind the water outlet it has the letters "Model A" cast on it. Not added but cast with the head. Have any of you run across such a thing? I haven't. The combustion chambers look a little different, too. Your thoughts about what it is and/or who made it?
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09-06-2020, 09:13 PM | #2 |
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Join Date: Sep 2010
Location: Danville, CA
Posts: 1,550
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Re: A head question
Can you send pictures? Might get better response.
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09-06-2020, 09:27 PM | #3 |
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Join Date: Sep 2017
Location: Mint Hill, North Carolina
Posts: 386
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Re: A head question
I saw one of those last year at an auto swap meet in Charlotte NC. I believe it would be an after-market high compression head.
Attach pics of the combustion chamber side as well |
09-06-2020, 09:55 PM | #4 |
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Join Date: May 2010
Location: So Cal
Posts: 8,713
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Re: A head question
Vince's site says it's a copy of the police head.
http://www.fordgarage.com/pages/head...ssionratio.htm |
09-07-2020, 12:40 PM | #5 |
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Join Date: May 2010
Posts: 203
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Re: A head question
Bob, thanks for the info. It is indeed a copy of the Police head (5.2:1). No maker listed. This engine was very well worn but still had compression readings of:
#1-70 #2-75 #3-80 #4-80 lbs at 6,000 foot elevation. It should come up a little after I get the head surfaced. Sorry I can't post pictures. This computer is missing some of its' programs. |
09-07-2020, 12:50 PM | #6 |
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Location: Alberta
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Re: A head question
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09-07-2020, 01:33 PM | #7 | |
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Location: So Cal
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Re: A head question
Quote:
After posting the information from Vince's site I went and looked at one I have today and it's NOT a copy of a police head, mine looks just like a stock head. |
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09-07-2020, 02:28 PM | #8 |
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Join Date: May 2010
Location: new britain,ct 06052
Posts: 9,389
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Re: A head question
That's also a possiibility as places like Montgomery Ward, Sears and others sold replacement heads. Paul in CT
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09-08-2020, 09:19 AM | #9 |
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Location: Alabama
Posts: 8,099
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Re: A head question
I also have one with model A embossed on top with standard model A combustion chambers .
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