Horsepower / Torque Ratings:350 HP @ 5500 RPM / 390
FT/LB @ 4400 RPM (Redline 6,000 RPM)
Engine Type: 90 Degree
V-Design Eight Cylinder, 4 Bolt Main, Forged Steel Crankshaft, 1053 Alloy Forged
Steel "Pink" Connecting Rods, Lightweight High Silicon Cast LT1 Aluminum Pistons
Camshaft: Steel Billet Hydraulic Roller Camshaft Specs @ .050: Int .470 Lift/278
Duration, Ext .490 Lift/278 Duration, Lobe Center 108
Head / Valve Design:
Overhead Valve High Output Aluminum Cylinder Heads w/Stainless Steel Valves, 2"
Intake &1.56" Exhaust
Bore/Stroke: 4.00 inches
x 3.48 inches
Displacement: 350 cubic
inches/5733 Cubic Centimeters
Compression Ratio: 9.8 :
1
Fuel Injection / Manufacturer: High Flow Down Draft Intake w/Port Fuel Injection, "T-Ram" Designed by
Ryan Falconer, 1050cfm
Fuel Requirements: 91
Octane Unleaded
Fuel Mileage: 16 mpg
City, 25 mpg Highway
Transmission: ZF 6-spd w/Manual
Overdrive
Gear Ratio's: 1st:
2.68:1, 2nd: 1.80:1, 3rd: 1.29:1, 4th: 1.00:1, 5th: 0.75:1, 6th: 0.50:1
Driveshaft: Dana 3 inch
Low Mass Aluminum Driveshaft
Exhaust System: 1
5/8 "Tri-Y" 409 Stainless Steel Tubular Headers w/316 Stainless Steel Air Tubes,
Dual High Flow Catalytic Converters, Mandrel Bent 409 stainless steel 3"
diameter Intermediate Pipe, SLP Designed Muffler and 304 Stainless Steel High
Luster Tailpipes with Round Angle cut Ends
Power to Weight Ratio: 9.7 lbs/HP
Horse Power Per Cubic Inch:
1 HP
Curb Weight: 3395 pounds
Weight Distribution: 55%
(front) - 45% (rear)
Wheelbase: 101.0 inches
Track: 60.7 inches
(front) - 61.6 inches (rear)
Overall Length: 195.1
inches
Width: 72.0 inches
Height: 49.7 inches
Cargo Capacity: 31 cubic
feet
Fuel Capacity: 18.5 U.S.
Gallons (w/1LE Fuel Tank), 24 U.S. Gallons (w/Optional Fuel Cell)
Vehicle Lay-out: Front
engine / Rear drive
Body/Frame: Unit Steel
Construction w/Sub Frames and SLP Chassis Modifications
Brake System: "Brembo"
Front Drilled Vented Disks 13x1.25in (Comp. Models Only) , 1LE Rear Vented Disks
11.7x0.79in
Wheel, Type and Size: "Ronal"
Cast Aluminum, 17.0 x 9.5 inches
Tires: SZ P275/40ZR17
Firestone Firehawk
Steering:
Semi-ReversableRecirculating ball, with power assist
Steering Ratio: 12.7:1
Wheel Turns, lock-to-lock:
2.14
Turning Circle, Foot-in-diameter:
39 ft
Suspension Components
(front): Independent Modified MacPherson Struts w/Specific-Rate Coil
Springs, Lower Control Arms, High Durometer Suspension Bushings, and 36 mm Sway
Bar
Suspension Components (rear): Dana 44 Limited Slip Live Rear Axle (3.54:1 Final Drive, 8.5 inch ring
Gear), Specific Rate Coil Springs w/24 mm Sway Bar, and High Durometer
Suspension Bushings
PERFORMANCE DATA
Quarter Mile Track Time:
13.2@107mph (Tire Pressure PSI: Front 41psi, Rear 39psi)
(Quarter Mile run was different run
than from where the below numbers were taken)
(Motor Week tested and ran a
12.9!!!)
0 - 30 mph: 2.1 seconds
0 - 40 mph:
2.8 seconds
0 - 50 mph:
3.7 seconds
0 - 60 mph: 4.6 seconds
0 - 70 mph:
6.6 seconds
0 - 80 mph: 8.0 seconds
0 - 90 mph:
10.0 seconds
0 - 100 mph:
12.2 seconds
0 - 110 mph: 14.7 seconds
Top Speed:
175 mph
Handling Skid pad: Lateral Acceleration: 0.94 g (282 ft Skid pad average both
directions)
Slalom MPH: 68.3mph
Braking 60-0: 128 ft
Braking 100-0: 353 ft
| 1990-1992 | |||||||
| 305 5spd / 305 AT | 10088155* | .350 | .384 | 179 | 194 | 109.0 | |
| 305 G92 5spd / 350 AT | 10111773* | .413 | .428 | 202 | 207 | 114.5 | (116/-116) |
*roller cams
| Year | Camaro | Firebird |
|---|---|---|
| 82 | Z28: .368/.369 Cd |
Trans Am: .323 Cd S/E: .335 Cd Base: .333 Cd |
| 84 | Z28: .339 Cd |
Trans Am: .32 Cd .299 Cd with standard Aero wheels instead of the High-Tech Turbo aluminum wheels |
| 85 | IROC-Z28: .34 Cd | |
| 91 | GTA: .310 Cd |
| Model | Shipping Weight | Curb Weight |
|---|---|---|
| Camaro Coupe | 3025 | 3105 |
| Convertible | 3142 | 3220 |
| Z28 Coupe | 3194 | 3273 |
| Convertible | 3298 | 3377 |
| Code | Item | Weight |
|---|---|---|
| AC3 | Power Seat | 7.9 |
| AM9 | Fold Down Rear Seat | -3.5 |
| AU3 | Power Locks | 3.1 |
| A31 | Power Windows | 3.9 |
| B84 | Side Molding | 1.3 |
| CC1 | T-Tops | 29.5 |
| C49 | Rear defogger | 0.9 |
| C60 | Air conditioning | 41.7 with V-6 |
| C60 | Air Conditioning | 42.6 with 305 TPI & 700R4 |
| C60 | Air conditioning | 46.3 with 305 TBI & 700R4 |
| C60 | Air Conditioning | 42.7 with L98 |
| DE1 | Back window Shade | 18.5 |
| D34 | Vanity Mirror | 0.4 |
| DG7 | Electric Side Mirrors | 1.3 |
| F41 | Suspension | -6.6 |
| J65 | 4-wheel disc brakes | 2.6 (Z/28 w/L98 only) |
| K34 | Cruise control | 5.3 |
| MD8 | Automatic Trans | 101.9 (with 305 & 350) |
| N10 | Dual exhaust | 12.8 |
| T96 | Fog Lamps | 4.4 |
| UA1 | H.D. Battery | 0.4 |
| UL5 | Radio delete | -5.7 |
| U75 | Power Antenna | 2.6 |
Drivetrain List
| Yr | Model | Trans | Engine code/type |
CR | Displ. | HP | Torque | Induc- tion |
Manual std. |
Manual opt. (G92) |
Auto std. |
Auto opt. (G92) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 91 |
RS Firebird |
M5,A4 | LH0 V6 | 8.5:1 | 3.1 (191) | 140@4400 | 185@3600 | MFI | 3.42 | ---- | 3.23 | ---- |
| 91 |
RS Firebird |
M5,A4 | LO3 V8 | 9.3:1 | 5.0 (305) | 170@4000 | 255@2400 | TBI | 3.08 | ---- | 2.73 | ---- |
| 91 |
Z28 Formula Trans Am GTA |
M5,A4 | LB9 V8 | 9.3:1 | 5.0 (305) | 205@4200 | 285@3200 | TPI | 3.08 | ---- | 2.73 | ---- |
| 91 |
Z28 Formula Trans Am GTA |
M5 | LB9 V8 | 9.3:1 | 5.0 (305) | 230@4200 | 300@3200 | TPI | ---- | 3.42 | ---- | ---- |
| 91 |
Z28 Formula Trans Am GTA |
A4 | L98 V8 | 9.3:1 | 5.7 (350) | 245@4400 | 345@3200 | TPI | ---- | ---- | ---- | 3.23 |
| Transmission | Engine code | 1st | 2nd | 3rd | 4th | 5t |
| 1989-1992 Not available yet, but here are a couple that are belived to be correct. | |||||||||
| 1992 T5 | 2.68 | 1.80 | 1.31 | 1.00 | .75 | ||||
| 1991 T5 | LO3 | 2.95 | 1.94 | 1.34 | 1.00 | .63 | |||
| T5 | TPI Induction | 2.75 | 1.94 | 1.34 | 1.00 | .74 | |||
Data Gathered from Various Independent Sources Such as "SLP Eng", "Hot Rod", "High Performance Pontiac", "Motor Trend", "Motor Week", and "Car Craft". The best accumulative figures were used.