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04-11-2016, 11:18 PM
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#1 |
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Senior Member
Join Date: Nov 2015
Location: North Pole, Alaska
Posts: 2,651
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ID cyl head markings
Found this one cyl head with a mark I'd never seen before. What year/model is this from?
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04-11-2016, 11:19 PM
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#2 |
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Senior Member
Join Date: Nov 2015
Location: North Pole, Alaska
Posts: 2,651
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Re: ID cyl head markings
Ok for some reason it will only post the last picture.
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04-11-2016, 11:20 PM
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#3 |
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Senior Member
Join Date: Nov 2015
Location: North Pole, Alaska
Posts: 2,651
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Re: ID cyl head markings
Here's another
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04-11-2016, 11:21 PM
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#4 |
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Senior Member
Join Date: Nov 2015
Location: North Pole, Alaska
Posts: 2,651
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Re: ID cyl head markings
Odd combustion chamber shape,
But hey did you notice the pictures are upright! |
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04-12-2016, 12:01 AM
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#5 |
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Member
Join Date: Aug 2014
Location: Victoria B.C. Canada
Posts: 53
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Re: ID cyl head markings
Any chance that it is a head for the 337 cu.in motor Just a shot in the dark.
Marlon |
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04-12-2016, 12:52 AM
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#6 |
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Senior Member
Join Date: Nov 2015
Location: North Pole, Alaska
Posts: 2,651
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Re: ID cyl head markings
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04-12-2016, 07:10 AM
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#7 |
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Senior Member
Join Date: May 2010
Location: Powell, TN
Posts: 2,509
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Re: ID cyl head markings
Looks like a 35 truck with flat pistons.
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04-12-2016, 08:39 AM
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#8 |
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Senior Member
Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,436
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Re: ID cyl head markings
51T would be truck in or near 1935. In the prefixes the 5 would be the last digit of the year it was designed. The RH should be right hand side. On the other one, I don't know. 67 was not a common prefix number.
Last edited by rotorwrench; 04-12-2016 at 11:18 AM. |
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04-12-2016, 09:18 AM
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#9 |
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Member Emeritus
Join Date: May 2010
Location: Madison, NJ
Posts: 5,230
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Re: ID cyl head markings
67 is 1936 commercial...
51T MIGHT be a Canadian 1946 designation...I found some inconclusive suggestions of 1946 221 use in Canada, vague and not conclusive. BUT...we don't know nuttin yet! How many stud holes, what sort of water outlet on the heads?? |
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04-12-2016, 09:50 AM
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#10 |
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Senior Member
Join Date: May 2010
Location: Near Rising Sun, Maryland
Posts: 10,858
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Re: ID cyl head markings
What the others have already said, ..... plus a picture of the complete head would be a big help. That compression chamber is not that unique. I have some early 21 stud, wp's in heads, cylinder heads with that chamber configuration on both cast iron and aluminum.
__________________
John "Never give up on what you really want to do. The person with big dreams is more powerful than one with all the facts". Albert Einstein |
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04-12-2016, 10:55 AM
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#11 |
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Senior Member
Join Date: Nov 2015
Location: North Pole, Alaska
Posts: 2,651
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Re: ID cyl head markings
Center water outlet, 24 stud.
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04-12-2016, 11:01 AM
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#12 |
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Member Emeritus
Join Date: May 2010
Location: Madison, NJ
Posts: 5,230
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Re: ID cyl head markings
Eyeball the 51 T...could it be an 81T from worn mold?
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04-12-2016, 11:26 AM
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#13 |
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Senior Member
Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,436
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Re: ID cyl head markings
That might be an 81T. Photographs are harder to tell thing like that. It would make more sense for a 24 stud head. The forming process for the cores wasn't always real accurate.
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04-12-2016, 12:10 PM
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#14 | |
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Senior Member
Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 10,320
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Re: ID cyl head markings
Quote:
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04-12-2016, 12:32 PM
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#15 |
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Senior Member
Join Date: May 2010
Location: Oshkosh, Wi
Posts: 4,527
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Re: ID cyl head markings
I agree, 81.
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04-12-2016, 02:28 PM
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#16 |
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Senior Member
Join Date: Nov 2015
Location: North Pole, Alaska
Posts: 2,651
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Re: ID cyl head markings
Now that makes sense!
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