Engine Number - located on the pad at the right front side of the block behind the waterpump.
Example: 001234F56GR
| 001234 |
Engine Serial Number
|
F
|
Flint Plant
|
56
|
Year Built
|
GR
|
Engine Type 265cid 3spd
|
TYPE
|
CODE |
265 8-Cyl 3spd - 225hp -Comp Ratio 9.25:1 - Carb 2x4 BC
|
GR |
| 265 8-Cyl Powerglide - 225hp - Comp Ratio 9.25:1 - Carb 2x4 BC |
FG |
| 265 8-Cyl 3 Spd - 210hp - Comp Ratio 9.25:1 - Carb 4 BC |
FK |
| 265 8-Cyl Powerglide - 210 hp - Comp Ratio 9:25:1 - Carb 4 BC |
GV |
| 265 8-Cyl 3spd - 240hp - Comp Ratio 9.25:1 - Carb 2x4 BC |
GU |
Engine Casting number was 3720991
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 AH = 3spd AJ = 3spd 4.11 ratio
|
06
|
June |
29
|
29th day of month
|
