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AMC 327 CID V8

The Engine Code is stamped on a metal tag on the Armature Bracket.
The code consists of 5 digits on the top portion of the tag and 6 digits on the lower portion.

TOP OF TAG MARKINGS:

1st thru 3rd digit/Built For

KJC- Kaiser Jeep Corporation

4th & 5th Digits/Applications

AD- 1300, 1400, 2300, 2400, 3300, 3400-Automatic transmission
AF- 1414D Automatic Transmission-Super Wagoneer
HD- 2300, 2400, 3300, 3400 (1300, 1400 Optional) Heavy Duty Transmission
TD- 1300, 1400 Standard Transmission
TF- 1414D Standard Transmission-Super Wagoneer

BOTTOM OF TAG MARKINGS:

1st Digit/Year

7- 1965
8- 1966
1- 1968

2nd & 3rd Digit

Month

4th Digit/Compression Ratio

E- 8.7:1
F- 9.7:1

5th & 6th Digit

Month
Note: Production Over/Undersize specifications are stamped below the build date if applicable.

1st Digit/Bore Size

A- Standard
B- 0.010" Undersize
C- 0.010" Oversize

2nd Digit/Main Bearing Size

A- Standard
B- 0.010" Undersize
C- 0.010" Oversize

3rd Digit/Connecting Rod Bearing Size

A- Standard
B- 0.010" Undersize
C- 0.010" Oversize