dave8412 Jun 6 2006 - 11:51am
5.0 liter H.O. motor introduced mid-year (March 1, 1983). H.O. motor came with a higher lift and longer duration cam, dual snorkel intake system with '5.0 Liter H.O.' decal on air cleaner, specially calibrated Quadrajet carburetor, lightweight flywheel, electric cooling fan, bigger 2.75 inch exhaust and Corvette style wide mouth monolithic catalytic converter, 5.0 Liter H.O. exterior badging and interior emblem badging came standard with 3.73 rear axle gear. In 1983, L69 was only available with a 5 speed manual transmission.
New L69 cam: L69 305 H.O.
190 HP / 240 Lb.Ft.
Tach: Yellow 5000
Red 5500
Lift: Intake .410
Exhaust .423
Duration: Intake 320
(crank) Exhaust 320
4 speed automatic 700R4 introduced and was the only automatic available on V-8 cars. 5 speed manual was introduced and was only manual transmission available on V-8 cars.
All Z28 hoods were switched from SMC to steel except the LU5 air induction hood. Last year for this functional induction hood, only available on the Z28, which featured opening flaps for a ram air-like effect. Charcoal was added as a wheel accent/valance color. Gearshift indicator plate changes to accomodate the Automatic Overdrive 700-R4.
| Yr |
Model |
Trans |
Engine code/type |
CR |
Displ. |
HP |
Torque |
Induc- tion |
Manual std. |
Manual opt. (G92) |
Auto std. |
Auto opt. (G92) |
| 83 |
Sport Coupe |
M4,A3 |
LQ8* L4 |
8.2:1 |
2.5 (151) |
92@4000 |
134@2800 |
2 bbl |
3.42 |
---- |
3.08 |
3.23 |
| 83 |
Sport Coupe |
M5,A4 |
LQ8* L4 |
8.2:1 |
2.5 (151) |
92@4000 |
134@2800 |
2 bbl |
3.73 |
---- |
3.42 |
---- |
| 83 |
Sport Coupe |
M4,A3 |
LQ9 L4 |
8.2:1 |
2.5 (151) |
92@4000 |
134@2800 |
TBI |
3.42 |
---- |
3.08 |
3.23 |
| 83 |
Sport Coupe |
M5,A4 |
LQ9 L4 |
8.2:1 |
2.5 (151) |
92@4000 |
134@2800 |
TBI |
3.73 |
---- |
3.42 |
---- |
| 83 |
Sport Coupe |
A3 |
LC1 V6 |
8.5:1 |
2.8 (173) |
107@4800 |
145@2100 |
2 bbl |
---- |
---- |
3.08 |
---- |
| 83 |
Sport Coupe |
M5,A4 |
LC1 V6 |
8.5:1 |
2.8 (173) |
107@4800 |
145@2100 |
2 bbl |
3.42 |
---- |
3.23 |
---- |
| 83 |
Berlinetta |
A3 |
LC1 V6 |
8.5:1 |
2.8 (173) |
107@4800 |
145@2100 |
2 bbl |
---- |
---- |
3.08 |
---- |
| 83 |
Berlinetta |
M5,A4 |
LC1 V6 |
8.5:1 |
2.8 (173) |
107@4800 |
145@2100 |
2 bbl |
3.42 |
---- |
3.23 |
---- |
| 83 |
Sport Coupe |
M5,A4 |
LG4 V8 |
8.6:1 |
5.0 (305) |
150@4000 |
240@2400 |
4bbl |
3.23 |
3.73 |
3.08 |
---- |
| 83 |
Berlinetta |
M5,A4 |
LG4 V8 |
8.6:1 |
5.0 (305) |
150@4000 |
240@2400 |
4bbl |
3.23 |
3.73 |
3.08 |
---- |
| 83 |
Z28 |
M5,A4 |
LG4 V8 |
8.6:1 |
5.0 (305) |
150@4000 |
240@2400 |
4bbl |
3.23 |
3.73 |
3.23 |
---- |
| 83 |
Z28 |
A4 |
LU5 V8 |
9.5:1 |
5.0 (305) |
175@4200 |
250@2800 |
CFI |
---- |
---- |
2.93 |
3.23 |
| 83 |
Z28 |
M5 |
L69 V8 |
9.5:1 |
5.0 (305) |
190@4800 |
240@3200 |
4bbl HO |
3.73 |
---- |
---- |
---- |
| *Canada and overseas - only 156 produced |
| Year |
Total Production |
Z28 |
Berlinetta |
Sport Coupe |
| 1983 |
154,831 |
62,650 |
27,925 |
63,806 |