Help decoding 429 engine ID tag
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Mountain Pass
Joined: Feb 2003
Posts: 184
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From: Florida
Help decoding 429 engine ID tag
I have an engine ID tag from a 429 engine that we had pulled from a 1975 F150 XLT that otherwise looked stock. I am going to type up the ID as it is stamped on the tag.
429 72 11
12-23 K813 T
The above is how it is listed on the tag.
Can anyone make since of the above. I can already figure that 429 is the C.I. and 72 must be 1972. I can't make since of the rest.
Matt
429 72 11
12-23 K813 T
The above is how it is listed on the tag.
Can anyone make since of the above. I can already figure that 429 is the C.I. and 72 must be 1972. I can't make since of the rest.
Matt
New User
Joined: Sep 2009
Posts: 14
Likes: 0
I have an engine ID tag from a 429 engine that we had pulled from a 1975 F150 XLT that otherwise looked stock. I am going to type up the ID as it is stamped on the tag.
429 72 11
12-23 K813 T
The above is how it is listed on the tag.
Can anyone make since of the above. I can already figure that 429 is the C.I. and 72 must be 1972. I can't make since of the rest.
Matt
429 72 11
12-23 K813 T
The above is how it is listed on the tag.
Can anyone make since of the above. I can already figure that 429 is the C.I. and 72 must be 1972. I can't make since of the rest.
Matt
~Model Year - 1972
~Change Level - 11 (seems high)
~Yr. of engine production - 12 (Are you sure it isn't a 72 that would make a little more sense but also if the model year was 72 then i would think the production year would be in 71) (This is what th number would be in that location in a mustang so I'm thinking the same applies here)
~Where the 23 is is where the month of production would be but is usually a letter and not a number. In your case though with the 12-23 I'm thinking maybe it year the month and date. which is odd if so)
~Engine Code no. - I can't find a chart for K813-T, however in like a mustang an ID code of k826-k would stand for a cobra jet a super cobra would be an 829 and so on on the different variations.)
So the main stump is what exactly the 12-23 stands for.
Thread Starter
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Mountain Pass
Joined: Feb 2003
Posts: 184
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From: Florida
Yeah the 72 is just as what is stamped. The tag is clean and free of rust. I tried decoding it myself but was also running into the same problems as the format apparently is not standard on this tag. I tried to layout the numbers and letters as the way they are stamped on the tag so that it would be easier to understand.
Matt
429 72 11
12-23 K813 T
Matt
429 72 11
12-23 K813 T
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 783
From: Simi Valley, CA
Letter prefixes and suffixes were used with engine codes after 1972.
Prior to 1973, the engine codes consisted of numbers only.
K 813 A; C; D; T = 429 4V / VIN engine code N / Engine assembled 12-23-1972.
Originally Posted by TSHampton
K 826 K
1965/72 Ford car parts catalog: 826 = 429 CJ - F-4 // 829 = 429 S/CJ - F-4.
Info sources: Engine ID Charts / Text - Section 60 / 1965/72 & 1973/79 Ford Passenger Car Parts Catalogs // 1965/72 & 1973/79 L/M Car Parts Catalogs.
New User
Joined: Sep 2009
Posts: 14
Likes: 0
429 4V from a 1973 Ford passenger car.
Letter prefixes and suffixes were used with engine codes after 1972.
Prior to 1973, the engine codes consisted of numbers only.
K 813 A; C; D; T = 429 4V / VIN engine code N / Engine assembled 12-23-1972.
Where did you find this code? It's not listed in any 1973/79 Ford or L/M car parts catalog.
1965/72 Ford car parts catalog: 826 = 429 CJ - F-4 // 829 = 429 S/CJ - F-4.
Info sources: Engine ID Charts / Text - Section 60 / 1965/72 & 1973/79 Ford Passenger Car Parts Catalogs // 1965/72 & 1973/79 L/M Car Parts Catalogs.
Letter prefixes and suffixes were used with engine codes after 1972.
Prior to 1973, the engine codes consisted of numbers only.
K 813 A; C; D; T = 429 4V / VIN engine code N / Engine assembled 12-23-1972.
Where did you find this code? It's not listed in any 1973/79 Ford or L/M car parts catalog.
1965/72 Ford car parts catalog: 826 = 429 CJ - F-4 // 829 = 429 S/CJ - F-4.
Info sources: Engine ID Charts / Text - Section 60 / 1965/72 & 1973/79 Ford Passenger Car Parts Catalogs // 1965/72 & 1973/79 L/M Car Parts Catalogs.
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