'68 Drivetrain ID Number Information
|
1968 Engine Identification Codes
|
| Code |
Cyl. |
Disp. |
H.P. |
C.R. |
Trans. |
Carb. |
Description |
Qty. Built |
Location |
| WC |
8 |
350 |
265 |
9.2:1 |
Man. |
2 BC |
Firebird 350 |
1850 |
Engine Identification
V-8:
Find code stamped on the block in front of the right bank of cylinders.
6-Cylinder:
Find code stamped on cylinder head contact surface of the block behind the oil filler pipe.
123456 = Production Number
WC = Engine Code
VIN Identification
V-8:
Stamped on the right of the timing chain cover.
6-Cylinder:
Stamped on the right rear lower side.
(i.e. 2L8100001)
|
|
| WK |
8 |
350 |
320 |
10.5:1 |
Man. |
4 BC |
Firebird 350 H.O. |
3784 |
| WI |
8 |
400 |
335 |
10.75:1 |
Man. |
4 BC |
Firebird 400 Ram Air I |
321 |
| WQ |
8 |
400 |
335 |
10.75:1 |
Man. |
4 BC |
Firebird 400 H.O. |
1415 |
| WU |
8 |
400 |
340 |
10.75:1 |
Man. |
4 BC |
Firebird 400 Ram Air II |
98 |
| WZ* |
8 |
400 |
330 |
10.75:1 |
Man. |
4 BC |
Firebird 400 |
7563 |
| XN |
8 |
400 |
335 |
10.75:1 |
Auto. |
4 BC |
Firebird 400 Ram Air I |
92 |
| XT |
8 |
400 |
340 |
10.75:1 |
Auto. |
4 BC |
Firebird 400 Ram Air II |
12 |
| YJ |
8 |
350 |
265 |
9.2:1 |
Auto. |
2 BC |
Firebird 350 |
50006 |
| YM |
8 |
350 |
320 |
10.5:1 |
Auto. |
4 BC |
Firebird 350 H.O. |
2638 |
| YT |
8 |
400 |
330 |
10.75:1 |
Auto. |
4 BC |
Firebird 400 |
11151 |
| YW* |
8 |
400 |
335 |
10.75:1 |
Auto. |
4 BC |
Firebird 400 H.O. |
684 |
| ZD |
6 |
250 |
215 |
10.5:1 |
Man. |
4 BC |
Firebird Sprint |
5609 (1) |
| ZE |
6 |
250 |
215 |
10.5:1 |
Auto. |
4 BC |
Firebird Sprint |
1850 (1) |
| ZK |
6 |
250 |
175 |
9.0:1 |
Man. |
1 BC |
Firebird Standard |
13586 (1) |
| ZN |
6 |
250 |
175 |
9.0:1 |
Auto. |
1 BC |
Firebird Standard |
50549 (1) |
(1) Includes Tempest production
(*) Conflicting information for these codes.
|
|
Transmission Identification Codes
|
| Code |
Description |
Engine |
Comments |
Location |
| DB* |
3 Speed Dearborn Manual |
- |
Heavy Duty |
(View) |
| DD* |
3 Speed Dearborn Manual |
- |
V-8 (Floor Shift) |
(View) |
| FF |
4 Speed Muncie Manual |
- |
V-8 (Floor Shift) |
(View) |
| FH |
4 Speed Saginaw Manual |
250 |
6 Cyl. (Floor Shift) |
(View) |
| FK |
3 Speed Saginaw Manual |
250 |
6 Cyl. (Floor Shift) |
(View) |
| FX |
4 Speed Muncie Manual |
- |
Close Ratio (Floor Shift) |
(View) |
| FY |
3 Speed Saginaw Manual |
250 |
6 Cyl. (Column Shift) |
(View) |
| LF |
2-Speed Automatic |
250 |
6 Cyl. - 1 BC, W/O AC |
(View) |
| LG |
2-Speed Automatic |
250 |
Sprint - 4 BC, W/O AC |
(View) |
| LH |
2-Speed Automatic |
250 |
6 Cyl. - 1 BC, W/AC |
(View) |
| MA |
2-Speed Automatic |
350 |
350 - 2 BC, W/O AC |
(View) |
| MB |
2-Speed Automatic |
350 |
H.O. - N.A. W/AC |
(View) |
| MC |
2-Speed Automatic |
350 |
350 and 350 H.O. - W/AC |
(View) |
| PQ |
Turbo Hydra-Matic 400 |
400 |
400 Ram Air - 4 BC |
(View) |
| PX |
Turbo Hydra-Matic 400 |
400 |
400 and 400 H.O. - 4 BC, W/O Ram Air and AC |
(View) |
| PY |
Turbo Hydra-Matic 400 |
400 |
400 and 400 H.O. - 4 BC, W/Air, W/O Ram Air |
(View) |
| RJ |
3 Speed Saginaw Manual |
350 |
350 and 350 H.O. (Column Shift) |
(View) |
| RQ* |
Hydra-Matic |
400 |
Ram Air Only |
(View) |
|
(*) Conflicting Information for these codes.
|
|
Axle Identification Codes
|
| Ratio |
Std. Axle
Code |
Safe-T-Track
Axle |
Sales Code
Col. 37 |
| 2.56 (41:16) |
XB |
ZB |
C |
| 2.78 (39:14) |
XC |
ZC |
D |
| 2.93 (41:14) |
XD |
ZD |
E |
| 3.08 (40:13) |
XE |
ZE |
F |
| 3.23 (42:13) |
XF |
ZF |
G |
| 3.36 (37:11) |
XG |
ZM |
H |
| 3.55 (39:11) |
XH |
ZN |
K |
| 3.90 (39:10) |
- |
ZP |
P |
| 4.33 (39:9) |
- |
ZR |
S |
|
|
|
|
|
Carburetor Identification Codes
|
| Code |
Type |
Engine |
Comments |
| 7028065* |
Rochester Monojet |
250 |
Manual (Early) |
| 7028075* |
Rochester Monojet |
250 |
Manual (Late) |
| 7028067 |
Rochester Monojet |
250 |
Manual w/A.C. |
| 7028261 |
Rochester 4M Quadrajet |
250 Sprint |
Manual |
| 7028260 |
Rochester 4M Quadrajet |
250 Sprint |
Automatic |
| 7028071 |
Rochester 2GV |
350 |
Manual |
| 7028062 |
Rochester 2GV |
350 |
Automatic |
| 7028269 |
Rochester 4M Quadrajet |
350 H.O. |
Manual |
| 7028266 |
Rochester 4M Quadrajet |
350 H.O. |
Automatic |
| 7028066 |
Rochester 2GV |
400 |
Manual |
| 7028060 |
Rochester 2GV |
400 |
Automatic |
| 7028265 |
Rochester 4M Quadrajet |
400 |
Manual |
| 7028264 |
Rochester 4M Quadrajet |
400 |
Automatic |
| 7028271 |
Rochester 4M Quadrajet |
400 H.O. |
Manual |
| 7028264 |
Rochester 4M Quadrajet |
400 H.O. |
Automatic |
| 7028277 |
Rochester 4M Quadrajet |
400 Ram Air I |
Manual |
| 7028276 |
Rochester 4M Quadrajet |
400 Ram Air I |
Automatic |
| 7028273 |
|
400 Ram Air II |
Manual |
| 7028270 |
|
400 Ram Air II |
Automatic |
|
*Early production units use model number 7028065 which incorporates a different metering rod setting as noted on page 6B-15 in the '68 Pontiac Service Manual
|
|
Distributor Identification Codes
|
| Code |
Engine |
Comments |
| 1110430 |
250 |
Man. or Auto. |
| 1110431 |
Sprint |
Man. or Auto. |
| 1111281 |
350 |
Man. or Auto. |
| 1111447 |
350 HO |
Man. |
| 1111282 |
350 H.O. |
Auto. |
| 1111449 |
400
400 H.O.
Ram Air |
Man. |
| 1111270 |
400
400 H.O.
Ram Air |
Auto. |
| 1111448 |
Ram Air II |
Man. |
| 1111300 |
Ram Air II |
Auto. |
|
|
This file last modified Sunday, 29-Jun-2008 11:48:47 PDT
