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Just Exactly Which 351 C Is This Block
#1
Ok, hope someone knows exactly what is up.
I have been looking for a good std. bore 351 4 bolt block to build for my 72 CJ vert Q code build this winter. I have the built engine that came with the car never ran and all new but I do not trust it and it is 2 bolt. He didn't put screw in studs either and I have a pair of CC 1970 heads for the build also.
Found this one and he sent me picture to verify 4 bolt and the casting number is not in the mustangtek web page. You can see the number has no year in it and it is D AE CA with a date code of 3 J 11 which I think is 1973 September 11. Remember Ford does not count the I in the months.
The mustangtek page lists the D2AE-CA as the 72-73 2 bolt main mustang & torino and D2AE-CA as the 72 CJ and HO 4 bolt block mustang and torino.
Can anyone shed any light and what do these go for now?
With a service block you can put your VIN on to make it look real, lol.

[Image: IMG_20151129_154326832.jpg]

When a man is in the woods and talks and no women are there is he still wrong??
Tongue
David
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#2
It's not possible that Ford was still casting Cleveland blocks in 1983 is it? That seems very unlikely. Unless its an Aussie block?

There is a D2AE-CA block on the site you referenced with a date code of what looks like 3D11, which is April 11, 1973. Maybe they dropped the '2' out of the core to indicate that they were into the second decade of casting?

I don't have any other theories. Maybe the '2' fell out of the mold.
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#3
I was told by the owner that the number like this was for service blocks. I could not see them having a different number would be difficult to keep separate from the regular production ones. Any thoughts on the price?
I am also looking at a complete 73 Mach 1 Q code might buy and just part out to get the engine. Not a bad car but I do not need another project.

When a man is in the woods and talks and no women are there is he still wrong??
Tongue
David
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#4
I'd call that a D2AE block. IIRC, Ford used the same casting # for both the 2 bolt and 4 bolt blocks of this vintage, they were just machined differently. No difference in strength either way.

IMO, if you don't trust the engine you currently have, I'd bring the short block to a machine shop and have it inspected. Probably a lot cheaper than buying an unknown used engine, that could turn out to be junk.
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#5
I struggle buying used engines because its so difficult to assess condition without completely disassembling it and taking it to a machine shop ( as was stated).

And David, I'm a horrible guy to ask about market values! If its a standard bore 4 bolt main block with iron 4V heads complete with all the tins in good shape I would say $750 is the highest I would go.

Standard bore Cleveland blocks aren't that plentiful, the 4-bolt mains bump up the value quite a bit!
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#6
David,

Based on the information I read, D2AE - CA is a 1971 or 351 H.O. 4 bolt. Part Number D1ZZ-A or D3ZZ-A. I am guessing the latter based on the 3 J 11.

The 3 J 11 - Sept 11 1973 would indicate that it was possibly a service block or from some other model. Is there a full VIN on the block that might give you an indication if it was for a particular car, when and where, or if it was a service replacement. for example, I have two blocks with the following....

[Image: Block_VINs_a.jpg]

From what I have read Australian Block castings begin with "EX"
1973 H Code Convertible - Medium Copper Metalic - A June 8, 1973, Built Ford Marketing Sales Vehicle
[Image: DSC_0266xsm.jpg]













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#7
"From what I have read Australian Block castings begin with "EX" "

That makes sense...but the casting numbers should be upside down as well.



Excuse me while I go hide under the desk 'cause I think there may be incoming...
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#8
(10-10-2017, 04:17 PM)midlife Wrote: "From what I have read Australian Block castings begin with "EX" "

That makes sense...but the casting numbers should be upside down as well.  



Excuse me while I go hide under the desk 'cause I think there may be incoming...

Davids block casting picture is upside down. Does that count?
1973 H Code Convertible - Medium Copper Metalic - A June 8, 1973, Built Ford Marketing Sales Vehicle
[Image: DSC_0266xsm.jpg]













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#9
I don't believe the Australian blocks have the typical Ford casting numbers.


“If you can't explain it simply, you don't understand it well enough.”
--Albert Einstein
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#10
(10-10-2017, 03:59 PM)rackerm Wrote: David,

Based on the information I read, D2AE - CA is a 1971 or 351 H.O.  4 bolt. Part Number D1ZZ-A or D3ZZ-A.  I am guessing the latter based on the 3 J 11.

The 3 J 11 - Sept 11 1973 would indicate that it was possibly a service block or from some other model. Is there a full VIN on the block that might give you an indication if it was for a particular car, when and where, or if it was a service replacement. for example, I have two blocks with the following....

[Image: Block_VINs_a.jpg]

From what I have read Australian Block castings begin with "EX"

I had a spare block I picked up for a C note. The VIN on it was 1F5XXXXX. I posted this on here and it was confirmed as a Cougar block. Turned out to have been cracked and welded on the outside water jacket, so I gave it away, didn't want or need to spend the 400 bucks to get it tested.
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