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1981 Corvette Specifications & Performance Review

Dimensions
Wheelbase (in.) 98.0
Track Frt/Rear (in) 58.7 / 59.5
Length (in.) 185.3
Width (in.) 69.0
Height (in.) 48.1
Frontal Area (in) NA
Ground Clearance (in.) (minimum) 3.9
Curb Weight (lbs) 3282
Weight-to-power ratio (lbs:hp) 18.1
Coefficient of Drag NA
Weight Dist. F/R (%) 48 / 52
Coolant Capacity (qt.) 21 qts. (approx.) (+1 qt for A/C and Automatic Transmission)
Fuel Capacity (gal.) 23.7 (approx.)
Oil Capacity 4 qts., 5 qts with filter change

Engine Specifications
Base - L81
Type Overhead valve, 350 ci, pushrod V8, 2 valves/cylinder
Bore 4.00 in.
Stroke 3.48 in.
Displacement 350 ci.
Compression Ratio 8.2:1
Horsepower 190 bhp @ 4200 rpm
Torque 280 lb-ft.
Redline (RPM) 5,100
Induction System 1 x 4 bbl Rochester
Valvetrain Hydraulic Lifters
Firing Order 1-8-4-3-6-5-7-2
Filter/Sensor Recommendations
Air Cleaner Element: AC Type A348C
Carb. Fuel Filter: AC Type GF471
Crankcase Ventilation Filter: AC Type FB59
Oil Filter: AC Type PF25
Oxygen Sensor: AC Type AFS5P
Radiator Cap: AC Type RC36
PCV Valve: AC Type CV774C
Spark Plugs: AC Type R-45TS

Miscellaneous
Brakes
Type Size
Front Rotors (diam x thickness)(mm) 11.75 in. ventilated discs
Rear Rotors (diam x thickness)(mm) 11.75 in. ventilated discs
Steering
Gear Ratio: 16.1:1
Overall Ratio: 17.6:1
Tires
Standard: P225/70R15
Optional: P225/60R15 & P255/60R15
Wheels
Material: Standard - cast alloy, 15 x 8
Optional - Aluminum
Alignment Specs:

(at curb weight, full oil, water, fuel and recommended tire pressure)

Front:
Caster* +2 1/4 + 1/2 (degrees)
Camber* +3/4 + 1/2 (degrees)
Toe In (Total) 3/16 to 5/16

Rear:
Camber 0 + (degrees)
Toe In (Per Wheel) .06 + .06 (degrees)

* Each wheel must be adjusted independently. (Must be with 1/2 degree of opposite side)

Torque Specs: Standard - 110 N-m (80 lb-ft)
Aluminum - 122 N-m (90 lb-ft)

Transmission
  Automatic Manual
Type 4-Speed Automatic 4-Speed Manual
Gear Ratios    
1st 2.52 (L2) 2.88
2nd 1.52 (L3) 1.91
3rd 1.00 (Drive) 1.33
4th NA 1.00
Reverse 1.93 2.78
Axle Ratio 2.87:1 (2.72:1 in CA) 2.72:1 (2.88:1 - Low)
Final Drive Ratio NA 3.07:1

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1978 T-Top  ...1978 T-Top
Price: 12990
Exterior: Black RPO 19L - Interior: Oyster leather RPO 122
Engine: 350
Transmission: Automatic
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