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Old 06-19-2007, 12:55   #1 (permalink)
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block identification

I was given a 302 motor, and was told it was a early 1990's mustang motor. and was an HO motor. I know there is a number on the block that tells you when it was made and and other things. can anyone tell me where this number is located. thanks
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Old 06-20-2007, 19:11   #2 (permalink)
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Re: block identification

At the rear of the engine at the top near the distributor hole can be found the important casting numbers that reveal the year of manufacture--the birth year. The fourth digit indicates the year of the casting. So, if you have examined the rest of the block, you can easily ascertain the year the block was manufactured. The last digit is the year (0-9).
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Old 06-20-2007, 21:06   #3 (permalink)
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Re: block identification

Casting numbers tell when a part was ORIGINALLY designed and what car it was ORIGINALLY designed for. This does not mean that the part was not used on other cars. For example, casting number C8OE-9430-D is an exhaust manifold for a 428 CJ Fairlane; however, it was also used on 428 CJ Mustangs.

Example:

The breakdown of casting number C8OE-9430-D is easy using the charts below:

C = Decade of 1960
8 = Year of the decade (8th year of 1960), 1968
O = Fairlane Car line / Manufacture code
E = Engine engineering department
9430 = Basic number for an exhaust manifold
N = Design change
Casting Number Breakdown Charts

Decade of Manufacture:
A = 1940
B = 1950
C = 1960
D = 1970
E = 1980

Year of Decade
The year of the decade is determined by adding a number (0-9) to the letter of the decade. Example: C6 would be 1966, D0 would be 1970, D1 would be 1971.

Car Line/ Manufacture Codes
A = Galaxie
D = Falcon (60-69)
F = Outside USA, Trans Am racing
G = Comet / Montego
J = Industrial
M = Mercury
O = Fairlane / Torino
P = Autolite / Motorcraft
R = Rotunda
S = Thunderbird
T = Truck
V = Lincoln (61 - current)
Z = Mustang

Engineering Departments
A = Chassis
B = Body
E = Engine
F = Engine accessories
J = Autolite (67-72)
P = Automatic transmission
R = Manual transmission
W = Axle
X = Muscle parts program
Y = Lincoln / Mercury service parts
Z = Ford service parts

Basic Number
These identify the part, such as 6090 being a cylinder head or 9430 being an exhaust manifold.

Design Change
A Basic part is made to fit many applications. Example:
DOZZ-7528-C is a clutch bar for a 390/428
DOZZ-7528-D is a clutch bar for a 351 W
DOZZ-7529-E is a clutch bar for a 302 Boss
Reading Casting Dates

Casting dates:
Casting dates show the exact day, month and year a certain part was made or cast. The typical casting date looks like "6M08".

Breaking down a casting date:
6 = The year of the decade. "6" for 1976.
M = The letter of the month. (December)
08 = The day of the month. (8th)

First year month codes:
A B C D E F G H I J K L M
Jan Feb Mar Apr May Jun Jul Aug N/A Sep Oct Nov Dec

Second year month codes:
N O P Q R S T U V W X Y Z
Jan N/A Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

How do casting numbers appear?
Most casting numbers are stamped into the part itself, other have the number molded on the part. Some casting numbers can be ink stamped while others are printed on paper, which is then wraped around the part.

FE Casting Numbers

Blocks (C1AE8015C)

390 cid

C1AE-C
C1AE-G C1AE-V C2AE-BC
C2AE-BE C2AE-BR C2AE-BS C2SE
C3SE-A C3AE-KY C3ME-B C3AE-AY
C4AE-D C4AE-F C5AE-A C5AE-B
C6ME C6ME-A C8AE-A C8AE-C
C8AE-E D3TE-1 D3TE-AC D3TE-HA
D4TE-AC D7TE-BA

406 cid
C2AE-J C2AE-K C2AE-V C2AE-BD
C3AE-D C3AE-V

427 cid
C3AE-M C3AE-AB C3AE-Z C4AE
C4AE-A C5AE-A C5AE-E C5AE-D
C5AE-H C6AE-B C5JE-D C6JE-B
C6AE-C C6AE-D C7AE-A C7JE-A
C8AE-A C8AE-B C8AE-H

428 cid
C6AE-A C6AE-B C6AE-F C6ME
C6ME-A C7ME C7ME-A C8ME

Crankshafts

390 cid [3.78" stroke]
2U C3AE-D C4TE-6303-B
3U C3AE-E C4TZ-A
C1AE C3AE-U C4TZ-B
C1AE-A C3AZ C6AE-A
C2AE-B C4AE-B C6TE-6303-C
C2AE-D C4AE-C C6TE-6303-E
C3AE C4AE-D D2TE-6303EA
C3AE-6303-E C4AE-A
C3AE-B C4AZ-A
C3AE-C C4AZ-J

406 cid [3.78" stroke]
2U C3AE-B C4AE-C
3U C3AE-C C4AE-D
C1AE C3AE-D C4AE-A
C1AE-A C3AE-E C4AZ-A
C2AE-B C3AE-U C4AZ-J
C2AE-D C3AZ C4AZ-J
C3AE C4AE-B C4TZ-A
C3AE-6303-E C4TZ-B

410 cid [3.98" stroke]
1VA C8ME-A C9ZE-C IU
C6ME C9ZE-B C9ZE-D IUB

427 cid [3.78" stroke]
2U C3AE-B C4AE-C
3U C3AE-C C4AE-D
C1AE C3AE-D C4AE-A
C1AE-A C3AE-E C4AZ-A
C2AE-B C3AE-U C4AZ-J
C2AE-D C3AZ C4AZ-J
C3AE C4AE-B C4TZ-A
C3AE-6303-E C4TZ-B

428 cid [3.98" stroke]
1VA C8ME-A C9ZE-C IU C2VE
C6ME C9ZE-B C9ZE-D IUB C6ME
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