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Engine Codes - 360 V-8

Contributed By: Joe Schaefer

The six digit Engine Code is stamped on a metal tag on the front of the right Valve Cover.

1st Digit - Year

4- 1971
5- 1972
6- 1973
7- 1974
8- 1975
9- 1976
1- 1977
2- 1978
3- 1979
0- 1980
1- 1981
2- 1982 etc.

2nd & 3rd Digit - Month

4th Digit - Type

N- V8-360 2V
P- V8-360 4V
NX- V8-360/5.9L w/2V carb, 1987 and later.

5th & 6th Digit - Day

Note 1: Applicable only up to 1986, odd engine size characteristics will be stamped to the upper half of the Engine Code Plate as follows:

B- 0.010" Oversize Cylinder Bore
C- 0.010" Oversize Camshaft Bores
M- 0.010" Undersize Main Bearings
P- 0.010" Undersize Wrist Pins
PM- 0.010" Undersize Wrist Pins and Main Bearings

Note 2: Engines built for sale in Georgia or Tennessee from 1987 on have an additional non-repeating number above the build date code.

References:

Jeep Engine, Chassis, and Body Service Manual 25M888, 1989 JEEP Vehicles, copyright 1988 Jeep/Eagle Corporation.
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
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