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Engine Codes - 327 V-8

Contributed By: Joe Schaefer

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

References:

Parts Manual: W-1170-R2, Kaiser Jeep Corporation, 1967

Parts Manual: F-76072, AMC, Feb 1972

Parts Manual: F-75080, AMC, May 1980

Parts Manual: 89-81-374-084, AMC, May 1987