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Block Questions
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- 10+ Years
- Posts: 363
- Joined: Wed Aug 31, 2011 11:55 am
- Zip Code: 37058
- Tractors Owned: 1950 Cub, 1952 Cub, 1970 Cub, 1975 Cub, 1953 Cub, 1939 A, 1948 super A, 1952 super A, 1950 C demonstrator, 1952 Super C, 1949 H, 1956 farmall 300, 1957 international 350, 1963 Massey Ferguson 35
- Circle of Safety: Y
- Location: TN Dover
Block Questions
I bought two cub blocks this weekend, and have a few questions for those in the know. First the yellow one that I got has a strange serial number, or strange to me, it is 60CT20318278X With a cast code of 9-23-Z which I take to mean 1976, and the part number is 251341-R8, Would this have been on a regular cub? Second question, there is some piting around the cylinder, How much can the head gasket take care of before the block would need to be decked? This block is standard bore with no ring groove and looks to have at least one cylinder that has been sleaved. I checked the bore with a caliper, and then used a compression ring of standard size one inch below the top of the cylinder, it has a gap of .014. I will try to post a pic of the block but I am on dial-up. any comments are welcome.
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- block 2.jpg (107.39 KiB) Viewed 702 times
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- Cub Pro
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Re: Block Questions
I think you may be ok as far as sealing if you use copper coat or the like on the gasket
IN GOD WE TRUST
All others pay cash
Boss Hog
Power corrupts; absolute power corrupts absolutely byJohn Emerich Edward Dalberg
All others pay cash
Boss Hog
Power corrupts; absolute power corrupts absolutely byJohn Emerich Edward Dalberg
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- Cub Pro
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- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
Re: Block Questions
I do not have any documentation, but I believe I read that your serial number was used on the numbered lowboys.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
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- Cub Pro
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Re: Block Questions
I'm not in front of my database, but around '73-'74, all the C-60 engine SN's switched to this style numbering system.
If you bought a bare block, it's impossible to tell what it originally came off of. If it had the water outlet, crank, or alternator/generator still attached, we might be able to tell you.
If you bought a bare block, it's impossible to tell what it originally came off of. If it had the water outlet, crank, or alternator/generator still attached, we might be able to tell you.
Screwstick #3934
FCub - LoBoy - Numbered Series - Power Unit Databases
FCub - LoBoy - Numbered Series - Power Unit Databases
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- 10+ Years
Re: Block Questions
Just my two cents, but if you are rebuilding that block with the pitting on top, I would have it surfaced to remove the pitting along with the cylinder head.
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- 10+ Years
- Posts: 363
- Joined: Wed Aug 31, 2011 11:55 am
- Zip Code: 37058
- Tractors Owned: 1950 Cub, 1952 Cub, 1970 Cub, 1975 Cub, 1953 Cub, 1939 A, 1948 super A, 1952 super A, 1950 C demonstrator, 1952 Super C, 1949 H, 1956 farmall 300, 1957 international 350, 1963 Massey Ferguson 35
- Circle of Safety: Y
- Location: TN Dover
Re: Block Questions
The guy that I bought these from, told me that they came from a regular cub and not a lowboy, but I am not sure that he knew. They were in a machine shop that he had taken over, and may have been left by their owners. I will attach another pic of the pit problem, but it is not much better than the others.
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- block3.JPG (76.82 KiB) Viewed 535 times
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- Team Cub Mentor
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Re: Block Questions
My 77 begins with 60CTU.
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Re: Block Questions
raystractors wrote:.... First the yellow one that I got has a strange serial number, or strange to me, it is 60CT20318278X With a cast code of 9-23-Z which I take to mean 1976, and the part number is 251341-R8...
Could you look at that EngineSN number again? I'm thinking it might be 60CT2U------X
"60CT2U" is the prefix for the C-60 engine, then followed by the 6 digit engine SN, followed by the "X". I haven't figured out what the "X" means yet.
Screwstick #3934
FCub - LoBoy - Numbered Series - Power Unit Databases
FCub - LoBoy - Numbered Series - Power Unit Databases
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- Team Cub Mentor
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1957 Farmall Cub w/FH
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Re: Block Questions
That's where the hidden treasure is buried, Raymond.
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- Cub Pro
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Re: Block Questions
If only it were that easy!!
Screwstick #3934
FCub - LoBoy - Numbered Series - Power Unit Databases
FCub - LoBoy - Numbered Series - Power Unit Databases
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- Cub Pro
- Posts: 23701
- Joined: Sun Feb 02, 2003 2:09 pm
- Zip Code: 63664
- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
Re: Block Questions
X at the end of a chassis serial normally indicated gasoline and was followed by a number indicating other options such as high altitude, gear set, etc. I have never found a listing showing what an X at the end of an engine serial meant. The book I have ends with V as a engine serial suffix list.RaymondDurban wrote:.........
"60CT2U" is the prefix for the C-60 engine, then followed by the 6 digit engine SN, followed by the "X". I haven't figured out what the "X" means yet.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
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- Cub Pro
- Posts: 4435
- Joined: Wed Dec 26, 2007 7:45 pm
- Zip Code: 32536
- Circle of Safety: Y
- Location: FL, Crestview
Re: Block Questions
Good point John, I hadn't thought about that.
Screwstick #3934
FCub - LoBoy - Numbered Series - Power Unit Databases
FCub - LoBoy - Numbered Series - Power Unit Databases
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- 10+ Years
- Posts: 6338
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- Location: Niles / Buchanan, Michigan
Re: Block Questions
cubguy47 wrote:Just my two cents, but if you are rebuilding that block with the pitting on top, I would have it surfaced to remove the pitting along with the cylinder head.
1929 Farmall Regular
1935 John Deere B
1937 John Deere A
1941 John Deere H
1952 John Deere B
1953 Farmall Cub
1935 John Deere B
1937 John Deere A
1941 John Deere H
1952 John Deere B
1953 Farmall Cub
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- 10+ Years
- Posts: 363
- Joined: Wed Aug 31, 2011 11:55 am
- Zip Code: 37058
- Tractors Owned: 1950 Cub, 1952 Cub, 1970 Cub, 1975 Cub, 1953 Cub, 1939 A, 1948 super A, 1952 super A, 1950 C demonstrator, 1952 Super C, 1949 H, 1956 farmall 300, 1957 international 350, 1963 Massey Ferguson 35
- Circle of Safety: Y
- Location: TN Dover
Re: Block Questions
I guess that I knew what should be done, but I am always looking to save a little. Like the old words of wise, pay me now, or pay me more later. I would hate to put all that work into an engine, and then have to do it all over again. The other block that was with this one is a red 1951 that has been bored out .010, but looks good as far as wear and cracks. Serial number FCUBM 140033. There were other parts included with these that I didn't need, but someone may at some point, 2 sets hydrolic lines, a pump, 3 governers, parts of two carburators, starter, rods, pistons, valves, 2 flywheels
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- 10+ Years
- Posts: 363
- Joined: Wed Aug 31, 2011 11:55 am
- Zip Code: 37058
- Tractors Owned: 1950 Cub, 1952 Cub, 1970 Cub, 1975 Cub, 1953 Cub, 1939 A, 1948 super A, 1952 super A, 1950 C demonstrator, 1952 Super C, 1949 H, 1956 farmall 300, 1957 international 350, 1963 Massey Ferguson 35
- Circle of Safety: Y
- Location: TN Dover
Re: Block Questions
Could you look at that EngineSN number again? I'm thinking it might be 60CT2U------X
You were Right it is a U and not a 0
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