VIN Location | On top of dash at left, viewable through windshield | |
---|---|---|
Position | Character | Description |
1 | 2 | General Motors: Pontiac Division |
2 | S | Basic Firebird |
T | Firebird Esprit | |
U | Firebird Formula | |
W | Trans Am | |
3 & 4 | 87 | hardtop coupe |
5 | Engine code |
|
6 | 7 | Year: 1977 |
7 | _ | Assembly plant |
8 to 13 | 100001 and up | production sequence |
Model Number | Style Number | Body Type | Seating | Factory Price | Shipping Weight | Production Total |
---|---|---|---|---|---|---|
2F | S87 | 2-door Hardtop Base Firebird - V6 | 4 | $4269 | 3264 | 30,642 both 6 & V8 |
2F | S87 | 2-door Hardtop Base Firebird - V8 | 4 | $4334 | 3349 | |
2F | T87 | 2-door Hardtop Esprit - V6 | 4 | $4550 | 3312 | 34,548 |
2F | T87 | 2-door Hardtop Esprit - V8 | 4 | $4615 | 3397 | |
2F | U87 | 2-door Hardtop Formula | 4 | $4976 | 3411 | 21,801 |
2F | W87 | 2-door Hardtop Trans Am | 4 | $5456 | 3526 | 68,745 |
VIN Code | C | Y | U | P (L76) | R (Olds) | L (LM1) (Chev) | Z | K |
---|---|---|---|---|---|---|---|---|
Cylinders | 90° V-6 | 90° V-8 | 90° V-8 | 90° V-8 | 90° V-8 | 90° V-8 | 90° V-8 | 90° V-8 |
Valving | Overhead valve | Overhead valve | Overhead valve | Overhead valve | Overhead valve | Overhead valve | Overhead valve | Overhead valve |
Block | Cast-iron | Cast-iron | Cast-iron | Cast-iron | Cast-iron | Cast-iron | Cast-iron | Cast-iron |
Head | Cast-iron | Cast-iron | Cast-iron | Cast-iron | Cast-iron | Cast-iron | Cast-iron | Cast-iron |
Bore & Stroke | 3.80 x 3.40 in. | 4.00 x 3.00 in. | 3.74 x 3.48 in. | 3.88 x 3.75 in. | 4.06 x 3.38 | 4.00 x 3.48 | 4.12 x 3.75 | 4.35 x 3.38 |
Displacement | 231 cid (3.8 liters) | 301 cid (5.0 liters) | 305 cid (5.0 liters) | 350 cid (5.7 liters) | 350 cid (5.7 liters) | 350 cid (5.7 liters) | 400 cid (6.6 liters) | 403 cid (6.6 liters) |
Compression ratio | 8.0 : 1 | 8.2 : 1 | 8.5 : 1 | 7.6 : 1 | 8.0 : 1 | 8.5 : 1 | 7.6 : 1 | 8.0 : 1 |
Brake H.P. | 105 @ 3200 rpm | 135 @ 3800 | 145 @ 3800 rpm | 170 @ 4000 rpm | 170 @ 3800 rpm | 170 @ 3800 rpm | 180 @ 3600 rpm | 185 @ 3600 rpm |
Torque (lb-ft) | 185 @ 2000 rpm | 235-245 @ 2000 rpm | 245 @ 2400 rpm | 280 @ 1800 rpm | 275 @ 2000 rpm | 270 @ 2400 rpm | 325 @ 1600 rpm | 320 @ 2200 rpm |
Main bearings | Four | Five | Five | Five | Five | Five | Five | Five |
Valve lifters | Hydraulic | |||||||
Carburetor | 2-barrel Rochester 2GC | 2-barrel Rochester | 2-barrel Rochester 2GC | 4-barrel Rochester M4MC | 4-barrel Rochester M4MC | 4-barrel Rochester M4MC | 4-barrel Rochester M4MC | 4-barrel Rochester M4MC |
Three-speed manual floor shift | |
Four-speed manual shift | |
Three-speed automatic | |
V-6 Engine gear ratio | 3.08 : 1 |
V-8 301 Engine gear ratio | 3.23 : 1 |
V-8 323 Engine gear ratio | 2.41 : 1 |
Trans Am gear ratio | 3.23 : 1 or 3.42 : 1 |
FEATURE | Firebird | Esprit | Formula | Trans Am |
---|---|---|---|---|
Wheelbase | 108.1 in. | 108.1 in. | 108.1 in. | 108.1 in. |
Overall length | 196.8 in. | 196.8 in. | 196.8 in. | 196.8 in. |
Height | 49.1 in. | 49.4 | 49.4 | 49.6 |
Width | 73.0 | 73.0 | 73.0 | 73.0 |
Front tread | 60.9 | 60.9 | 61.3 | 61.2 |
Rear tread | 60.0 | 60.0 | 60.4 | 60.3 |
Tires | FR78x15 | FR78x15 | FR78x15 | GR70x15 |
Steering | Recirculating ball | |||
Front suspension | coil springs with lower trailing links and anti-sway bar | |||
Rear suspension | semi-elliptic leaaf springs with anti-sway bar | |||
Brakes | Front disc, rear drums | |||
Ignition | Electronic | |||
Body construction | Unit with separate partial frame | |||
Fuel tank | 20.2 gal |
1977 Firebird Notes