ALUMINUM HEAD ID?

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Model T Ford Forum: Forum 2017: ALUMINUM HEAD ID?
Top of pagePrevious messageNext messageBottom of page Link to this message  By John V. Dow on Thursday, April 13, 2017 - 06:06 pm:

I have an aluminum head on my '23 touring and I'd like to find out who the manufacturer was. It has the usual FORD script and made in USA. There is the number 4 cast into both in the front and in the rear of the head. I have never removed it but I suppose it is a high compression head--otherwise why replace the original iron head. I seem to be getting quite a bit of knock with the spark advanced and would like to see if there is a remedy. Any help you can give would be appreciated.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Keith Townsend ; ^ ) Gresham, Orygun on Thursday, April 13, 2017 - 06:33 pm:

Is there a Z on the water outlet?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dan Treace, North FL on Thursday, April 13, 2017 - 06:34 pm:

Might be a "Reeder" alum high compression head. Mark can be found inside the water outlet.

Older post on these heads, the early ones were cast with Ford script.

http://www.mtfca.com/discus/messages/506218/560453.html?1438834068


Top of pagePrevious messageNext messageBottom of page Link to this message  By Walt Berdan, Bellevue, WA on Thursday, April 13, 2017 - 07:05 pm:

I don't know which head it is but the knock may be corrected or at least lessened by running a little less spark advance and/or higher octane fuel. Both are easy fixes to try.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Pat Kelly Montana on Friday, April 14, 2017 - 12:31 am:

I noticed that I don't need as much advance with my new Prus high compression head.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Mike Walker, NW AR on Friday, April 14, 2017 - 10:04 am:

The Reeder heads (Performance T Parts) have a 4 on the water outlet.


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