Engine Number - located on the right side of the block to the rear of the distributor on the 6-cylinder, on the pad at the front right hand side of the block behind the waterpump on the 8-cylinder.
Example: 001234F55YG
| 001234 |
Engine Serial Number
|
F
|
Flint Plant
|
55
|
Year Built
|
YG
|
Engine Type 235 cid w/Powerglide |
TYPE
|
CODE |
| 235 6-Cyl Powerglide - 155hp -Comp Ratio 8.0:1 - Carb 3-1 BC |
YG |
| 265 V-8 Powerglide - 195hp - Comp Ratio 8.0:1 - Carb 4 BC |
FG |
| 265 V-8 3 Spd - 195hp - Comp Ratio 8.0:1 - Carb 4 BC |
GR |
Engine Casting number located on the right front of the block behind the fuel pump. Casting number 1955 6 cyl. blocks were 3835911. Casting number 1955 V-8 blocks were 3703524.
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 rear face of the case on the lower right corner. Code for 3 spd. located on the rear face of the case on the upper right corner.
Example: C1120N
C
|
C = Cleveland Plant Powerglide S = Saginaw (3 spd.)
|
11
|
Month Built (November) |
20
|
Day Built (20th)
|
D or N
|
Shift bulit (Day or Night) - transmissions built on day shift may not have a shift code
|
Rear Axle Number identifies the gear ratio, the build month and day. Code located on the front right side of the differential carrier.
Example: AD0629
AD
|
AD = 3spd 3.27 ratio AE = Powerglide 3:55 ratio AH = 3spd 3:55 ratio
|
06
|
June |
29
|
29th day of month
|
