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Technical
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Go to: Rear Axel Information
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1989 TRANS
MX0 --- 55,297
MM5 --- 9,107
| Model | Weight | Base Price | Production |
| Firebird V6 | 3,083 | $11,999 | 32,376 |
| Firebird V8 | 3,300 | $12,399 | |
| Formula | 3,318 | $13,949 | 16,670 |
| Trans Am | 3,337 | $15,999 | 5,727 |
| GTA | 3,486 | $20,399 | 8,081 |
| GTA Turbo | 3,486 | 1,550 |
|
VIN Code |
Transmission |
Engine |
Induction |
Displacement. |
Bore | Stroke |
Compression Ratio |
Horsepower |
Torque |
cats | Production |
|---|---|---|---|---|---|---|---|---|---|---|---|
| S |
M5, A4 |
LB8 60° V6 |
MPFI |
2.8 (173) |
3.50 | 2.99 |
8.5:1 |
135@5100 |
160@3900 |
1 | 24,968 |
| E |
M5, A4 |
LO3 90° V8 |
TBI |
5.0 (305) |
3.74 | 3.48 |
9.3:1 |
170@4000 |
255@2400 |
1 | 18,362 |
| F |
A4 |
LB9 90° V8 |
TPI |
5.0 (305) |
3.74 | 3.48 |
9.3:1 |
190@4000 |
295@2800 |
1 | 6,478 |
| F |
M5 |
LB9 90° V8 |
TPI |
5.0 (305) |
3.74 | 3.48 |
9.3:1 |
225@4400 |
285@3200 |
2 | |
|
8 |
A4 |
B2L (L98) 90° V8 |
TPI |
5.7 (350) |
4.00 | 3.48 |
9.3:1 |
235@4400 |
330@3200 |
2 | 13,041 |
| 7 | A4 | LG3 90° V6 | MPFI Turbo | 3.8 (231) | 3.80 | 3.40 | 8.0:1 | 250@4400 | 340@2800 | 2 | 1,555 |
*Note: Flammang, James M. & Kowalke, Ron. 1999. "Standard catalog of American cars 1976-1999". Krause Publications, pp 873
| Motor | Trans |
GM Part # | Lift | Duration |
Lobe Separation |
Rocker Arm Ratio |
Horse Power |
||
| Int. | Exh. | Int. | Exh. | ||||||
| 305 LO3 |
A4/M5 |
10088155* |
.350 |
.384 |
179 |
194 |
109.0 | (108/-112) |
170 |
| 305 LB9 |
A4 |
10088155* |
.350 |
.384 |
179 |
194 |
109.0 | (108/-112) |
190 |
| 305 LB9 |
M5 |
10066049* |
.415 |
.430 |
207 |
213 |
117.0 | (116/-118) |
215 |
| 225 | |||||||||
| 350 L98 |
A4 |
10066049* |
.415 |
.430 |
207 |
213 |
117.0 | (116/-118) |
235 |
*roller cams
Head Data
| Engine | GM Part Number | Casting Numbers | Combustion Chamber | Valve Diameter | |
| Intake | Exh | ||||
| 305 (LO3) | 10159551 | cc | 1.84" | 1.5" | |
| 305 (LB9) | 10159553 | 58cc | 1.84" | 1.5" | |
| 350 B2L (L98) | 10159552 | 14101083, 14096217 | 64cc | 1.94" | 1.5" |
These heads had the "Swirl Flow Design"
* NOTE: These Numbers are not yet confirmed
Go to: 200R4
Go to: 700R4
Transmissions:
200R4 Automatic
Transmission Code is located on the right side of the transmission case and includes the shift built, assembly plant, model year, application code and production serial number.
Example: 1T89TAF0123
|
1 |
Shift Built |
|
T |
Assembly Plant (Three Rivers) |
|
89 |
Model Year |
|
TAF |
Application Code (321 V6 Turbo) |
|
0123 |
Production Serial Number |
| Code | Shift |
| 1 | First |
| 2 | Second |
| 3 | Third |
700R4
Automatic
Transmission code is located on the right rear oil pan rail and includes the
year, model, Julian build date and shift built.
Example:9YPMYXXXXXXXXX267A
| 9 | Model Year (1989) |
| YP | 305 CID Application |
| M | Transmission Type (THM 700-R4) |
| Y | Build Location (Toledo) |
| 267 | Julian Date |
|
A* |
Shift Built (1st) |
|
Code |
CID |
|
FK |
350 |
| FX | 350 |
| YP | 305 |
| YW | 305 |
| YX | 173 |
| YZ | 305 |
Build
Date Code
Starts with the Julian date (day of the year) on which 1989 production started.
The build date code continues with the Julian date until December 31 (365). The
sequence then continues until the end of the 1989 production. EXAMPLE: January
20, 1989 would translate to a build date code of 385.
Shift Code
| Code | Shift |
| A & B | First shift |
| C & H | Second shift |
| D | Day |
| N | Night |
Note:
In addition to the transmission production code number, all passenger cars have
a portion of the vehicle identification number stamped on the transmission. The
condensed vehicle identification number consists of the division identification
number, model year, assembly plant designation and vehicle build sequence
number.
The Rear
Axle Codes
Is a two letter code stamped on the front passenger side of the axle tube or on
an identification tag attached to the carrier cover. It identifies that axle
code ratio and if the axle is equipped with the Safe-T-Track option.
| RPO Codes |
Axel Code |
Ratio | Type | Disc/ Drum | Manufacturer | cover Bolts | Carrier Size |
| G80, | BEU | 3.27 | Posi | Saginaw | 10 | 7.625 | |
| G80, GM3 | BEW | 3.45 | Posi | Saginaw | 10 | 7.625 | |
| G80, GU4 | 6HB | 3.08 | Posi | Saginaw | 10 | 7.625 | |
| G80, GU2 | 6HE | 2.73 | Posi | Saginaw | 10 | 7.625 | |
| G80, | 6HF | 3.08 | Posi | Saginaw | 10 | 7.625 | |
| GU4 | 6HK | 3.08 | Std | Saginaw | 10 | 7.625 | |
| GU6 | 6HL | 3.42 | Std | Saginaw | 10 | 7.625 | |
| GU2 | 6HP | 2.73 | Std | Saginaw | 10 | 7.625 | |
| G80, GU5 | 6HQ | 3.23 | Posi | Saginaw | 10 | 7.625 | |
| G80, GU2 | 6HT | 2.73 | Posi | Saginaw | 10 | 7.625 | |
| G80, | 8ET | 2.77 | Posi | Disc | Borg & Warner | 9 | 7.75 |
| G80, GM3 | 8EW | 3.45 | Posi | Disc | Borg & Warner | 9 | 7.75 |
| G80, GM3 | 9ER | 3.45 | Posi | Disc | Borg & Warner | 9 | 7.75 |
| G80, GW6 | 9EQ | 3.27 | Posi | Disc | Borg & Warner | 9 | 7.75 |
| G80, | 9ET | 2.77 | Posi | Disc | Borg & Warner | 9 | 7.75 |
Resources:
Amos Press Inc. Catalog of FIREBIRD ID Numbers 1967-1993