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ENGINE CODES

 
 

CHRYSLER * IMPERIAL

 
1960
Code Prefix
1961
Code Prefix
V8-383
305hp, 10:1, 2brl
PR38 V8-361
265hp, 9:1, 2brl
R36
V8-383
325hp, 10:1, 4brl
PR38 V8-383
305hp, 10:1, 2brl
R38
V8-413
350hp, 10:1, 4brl
P41 V8-413
350hp, 10:1, 4brl
R41
V8-413
375hp, 10:1, 2-4brl
P41 V8-413
375hp, 10:1, 2-4brl
R41
V8-413
400hp, 10:1, 2-4brl
P41 V8-413
400hp, 10:1, 2-4brl
R41
 
1962
1963
V8-361
265hp, 9.1:1, 2brl
S36 V8-361
265hp, 9:1, 2brl
T36
V8-383
305hp, 10.1:1, 4brl
S38 V8-383
305hp, 10.1:1, 2brl
T38
V8-413
340hp, 10.1:1, 4brl
S41 V8-413
340,360hp, 10.1:1, 4brl
T41
V8-413
365hp, 10.1:1, 4brl
S41 V8-413
365hp, 11:1, 4brl
T41
V8-413
380hp, 10.1:1, 2-4brl
S41 V8-426
373hp, 11:1, 4brl
T42
1
V8-413
405hp, 11:1, 2-4brl
S41 V8-426
415hp, 11:1, 4brl
T42
1
V8-426
373hp, 11:1, 4brl
S42 V8-426
425hp, 13.5:1, 4brl
T42
1
V8-426
385hp, 12:1, 4brl
S42 V8-413
390hp, 9.6:1, 2-4brl
C300J
V8-426
413hp, 11:1, 2-4brl
S42 V8-426
11:1 Comp
TMP
2
V8-426
421hp, 12:1, 2-4brl
S42 V8-426
13.5:1 Comp
TMP-HC
2
 
1964
1965
V8-361
265hp, 9:1, 2brl
V36 V8-383
270hp, 9.2:1, 2brl
A383
V8-383
305hp, 10:1, 2brl
V38 V8-383
315hp, 10:1, 4brl
A383
V8-413
340hp, 10:1, 4brl
V41 V8-413
340hp, 10.1:1, 4brl
A413
V8-413
360hp, 10.1:1, 4brl
V41 V8-413
350hp, 10.1:1, 4brl
A413
V8-413
390hp, 9.6.1:1, 2-4brl
V41 V8-413
360hp, 10.1:1, 4brl
A413
 
1966
1967
V8-383
270hp, 9.2:1, 2brl
B383 V8-383
270hp, 9.2:1, 2brl
C383
V8-383
325hp, 10:1, 4brl
B383 V8-383
325hp, 10:1, 4brl
C383
V8-440
350hp, 10:1, 4brl
B440 V8-440
350hp, 10.1:1, 4brl
C440
V8-440
365hp, 10.1:1, 4brl
B440 V8-440
375hp, 10.1:1, 4brl
C440
 
1968
1969
V8-383
290hp, 9.2:1, 2brl
PM, PT383 V8-383
290hp, 9.2:1, 2brl
PM, PT383
V8-383
330hp, 10:1, 4brl
PM, PT383 V8-383
330hp, 10:1, 4brl
PM, PT383
V8-440
350hp, 10.1:1, 4brl
PM, PT440 V8-440
350hp, 10.1:1, 4brl
PM, PT440
V8-440
375hp, 10:1, 4brl
PM, PT440 V8-440
375hp, 10:1, 4brl
PM, PT440
 
1970
1971
V8-383
290hp, 8.7:1, 2brl
PM,PT,NJ,FW383 V8-383
275hp, 8.5:1, 2brl
PM,PT,NJ,FW383
V8-383
330hp, 9.5:1, 4brl
PM,PT,NJ,FW383 V8-383
300hp, 8.5:1, 4brl
PM,PT,NJ,FW383
V8-440
350hp, 9.7:1, 4brl
PM,PT,NJ,FW440 V8-440
335hp, 8.5:1, 4brl
PM,PT,NJ,FW440
V8-440
375hp, 9.7:1, 4brl
PM,PT,NJ,FW440 V8-440
335hp, 8.8:1, 4brl
PM,PT,NJ,FW440
  V8-440
370hp, 9.5:1, 4brl
PM,PT,NJ,FW440
 
1972
1973
V8-360
175hp, 8.8:1, 2brl
PM, PT360 V8-400
185hp, 8.8:1, 2brl
JM, JT360
V8-400
190hp, 8.2:1, 2brl
PM, PT400 V8-440
215hp, 8.2:1, 2brl
JM, JT440
V8-440
225hp, 8.2:1, 4brl
PM, PT440  
V8-440
245hp, 8.2:1, 4brl
PM, PT440
 
1974
1975
V8-360
200hp, 8.4:1, 4brl
4M, 4T360 V8-318
150hp, 8.5:1, 2brl
5M, 5T318
V8-400
185hp, 8.2:1, 2brl
4M, 4T400 V8-360
180hp, 8.4:1, 4brl
5M, 5T360
V8-400
205hp, 8.2:1, 4brl
4M, 4T400 V8-400
165hp, 8.2:1, 2brl
5M, 5T400
V8-440
230hp, 8.2:1, 4brl
4M, 4T440 V8-400
175hp, 8.2:1, 2brl
5M, 5T400
  V8-400
190, 195hp, 8.2:1, 4brl
5M, 5T400
V8-400
235hp, 8.2:1, 4brl
5M, 5T400
V8-440
215hp, 8.2:1, 4brl
5M, 5T440
 

Engine Non Standard codes:

1960: AF- Blank engine is standard. A- .020" Overbore. B- .010" undersize Journal. AB- Both. *- .008" oversize lifters

1961-62: A- .020" Overbore. Maltese Cross- .001" bearing undersize. *- .008" oversize lifters. HP- high performance. X & Maltese Cross-.010" bearing undersize. SP- Special police cars

1963: LC- Low comp. HC- High comp. HP- High perfor. MP- Medium perfor. Maltese Cross- .001" undersize crank journals. X & Maltese Cross-.010" undersize crank journals. A- .020" oversized cylinder bore. *- .008" oversize lifters.

1964: Maltese Cross- .001" undersize crank journals. X & Maltese Cross or B-.010" undersize crank journals. A- .020" oversized cylinder bore. *- .008" oversize lifters.

1965- 67: Maltese Cross- .001" undersize crank journals. X & Maltese Cross- .010" undersize crank journals. A- .020" oversized cylinder bore. *- .008" oversize lifters.

1968: L, LC- Low comp. Maltese Cross- .001" undersize crank journals. X- .010" undersize crank journals. A- .020" oversized cylinder bore. *- oversize tappets.

1969: Maltese Cross- .001" undersize crank journals. X & Maltese Cross- .010" undersize crank journals. A- .020" oversized cylinder bore. Diamond- .008" oversize tappets. M-2-3 -#2&3 Main bearing journals undersize. R-1-4 -#1&4 Rod journals undersize. M-10 - .010" undersized main bearing journals. R-10 -.010" undersized rod journals

Location:

1960-61: V8-383 Top of block behind water pump.

1973-75: Engine identified by cubic inch stamped within engine number stamped on pad.

1962-75: 6 CYL.: Right front of block below head.

V8-273, 318, 340, 360: Left front block below head.

1962-67: V8-361, 383: Right front of block below distributor.

1960-65: V8-413: Top of block behind water pump.

1963-67: V8-426: Left front of block left of water pump.

1966-67: V8-440: Left front of block below thermostat housing.

1968-73 V8-383, 426, 440: Left side rear of block near oil pan flange.

1971-72 V8-400: Right front of block below head.

1972 V8-440: Upper left front of block

1973-75 V8-400,440: Upper right front of block

1- Before 12-19-62 - T42

2- After 12-19-62 - TMP 426, 11:1. TMP-HC 13.5:1

 

 
 
The engine code decoder reveals the stamp location, engine displacement, horse power, compression ratio, and Carburetor configuration.
Engine Build Date Codes