Engine Number - located on the raised pad - an extension of the head mounting surface - at the right front of the block.
Example: F0118RC
| F |
Flint Plant
|
1
|
Month Built (January)
|
18
|
Day Built (18th)
|
RC
|
Engine Type 327cid 250hp
|
TYPE
|
CODE |
327 8-Cyl - 250hp -Comp Ratio 10.5:1 - Carb 4 BC - Man
|
RC |
327 8-Cyl - 300hp - Comp Ratio 10.5:1 - Carb 4 BC - Man/HP
|
RD
|
327 8-Cyl - 365hp - Comp Ratio 11.0:1 - Carb 4 BC - Man/SHP
|
RE
|
327 8-Cyl - 375 hp - Comp Ratio 11.0:1 - Carb F.I. - Man
|
RF
|
327 8-Cyl - 250hp - Comp Ratio 10.5:1 - Carb 4 BC - Man/AC
|
RP
|
327 8-Cyl - 300hp - Comp Ratio 10.5:1 - Carb 4 BC - Man/AC
|
RQ
|
| 327 8-Cyl - 365hp - Comp Ratio 11.0:1 - Carb 4 BC - Man/SHP/AC |
RR
|
327 8-Cyl - 365hp - Comp Ratio 11.0:1 - Carb 4 BC - Man
|
RT
|
327 8-Cyl - 365hp - Comp Ratio 11.0:1 - Carb 4 BC - Man/AC
|
RU
|
327 8-Cyl - 375hp - Comp Ratio 11.0:1 - Carb F.I. - Man
|
RX
|
327 8-Cyl - 250hp - Comp Ratio 10.5:1 - Carb 4 BC - Auto
|
SC
|
327 8-Cyl - 300hp - Comp Ratio 10.5:1 - Carb 4 BC - Auto
|
SD
|
327 8-Cyl - 250hp - Comp Ratio 10.5:1 - Carb 4 BC - Auto/AC
|
SK
|
327 8-Cyl - 300hp - Comp Ratio 10.5:1 - Carb 4 BC - Auto/AC
|
SL
|
Engine Casting number was 3737739 - located under the master brake cylinder.
Transmission Number on manual and Powerglide transmissions indicates the type, month and day produced and the shift it was assembled. Code for Powerglide located on the bottom center of the transmission oil pan. Code for 3 spd. located on the rear face of the case on the upper right corner. Code for 4 spd located on the left side of the case at the rear of the cover.
Example: C1120N (all types except Warner Gear)
C
|
C = Cleveland Plant Powerglide
|
11
|
Month Built (November) |
20
|
Day Built (20th)
|
D or N
|
Shift Built (Day or Night) - transmissions built on day shift may not have a shift code
|
Transmission Codes
Type
|
Plant
|
Code |
Powerglide
|
Cleveland |
C |
Powerglide
|
Toledo
|
T |
3-Speed
|
Saginaw
|
S |
| 4-Speed |
Muncie |
P |
Rear Axle Number identifies the gear ratio, the build month and day. Code located on the front of the differential carrier.
Example: CD0629
CD
|
CD = 3.70:1 w/Positraction
|
06
|
June |
29
|
29th day of month
|
| Description |
Code
|
3-Speed 3.36 ratio
|
CA
|
Positraction 3.08 ratio
|
CJ
|
Positraction 3.36 ratio
|
CB
|
Positraction 3.55 ratio
|
CC
|
Positraction 3.70 ratio
|
CD
|
Positraction 4.11 ratio
|
CE
|
Positraction 4.56 ratio
|
CF
|
4-Speed 3.08 ratio
|
CZ
|
4-Speed 3.70 ratio
|
CF
|
