1963 Pontiac Grand Prix Specifications

The 1963 Pontiac Grand Prix was selected for the following table because it was the most popular first-generation Grand Prix. Specifications include Hydra-Matic, power steering, and power brakes -- popular options that most buyers selected.

1963 Pontiac Grand Prix Specifications

General

Base price

$3,490 f.o.b. factory, federal excise tax, and preparation charges included

Bore x stroke

4 1/16 x 3 3/4 inches
Displacement
388.9 cid
Compression ratio
10.25:1
Horsepower
303 @ 4600 rpm (gross)
Torque
425 @ 2800 rpm (gross)
Valve configuration
OHV
Valve lifters
Hydraulic
Main bearings
Five
Lubrication system
Pressure
Cooling system
Centrifugal Pump
Fuel system
1-4 bbl carburetor, mechanical pump
Electrical system
12-volt
Exhaust system
Dual
Transmission
Hydra-Matic 3-speed automatic planetary with torque converter, floor-mounted selector
Ratios -- 1st
2.97:1
2nd
1.58:1
3rd
Direct
Reverse
2.49:1
Maximum ratio at stall (torque converter)
1.20
Rear axle
Hypoid
Ratio
3.23:1
Drive axles
Semi-floating
Steering
Recirculating ball bearing; coaxial power assist
Ratios
17.5:1 gear, 22.5:1 overall
Turns of wheel, lock to lock
4.25
Turning diameter
42.8 feet
Brakes
Ribbed aluminum air-cooled drums with bonded alloy cast-iron braking surfaces; power-assisted
Drum diameter
11 inches
Effective area
173.7 square inches
Construction
Body-on-frame
Frame
Boxed, perimeter type
Body style
Five-passenger hardtop coupe
Suspension

Front
Independent, ball joints/coil springs; stabilizer bar
Rear
Solid axle, coil springs
Shock absorbers
Delco direct-acting 2-way telescopic
Wheels
8-lug steel disc, drop-center rims
Tires
8.00 x 14 tubeless
Capacities

Crankcase
5 quarts (including filter)
Cooling system
19.5 quarts (including heater)
Fuel tank
25 gallons
Automatic transmission
12 pints
Rear axle
5 3/4 pints
Measurements and Weight

Wheelbase

120 inches
Overall length
211.9 inches
Overall width
78.7 inches
Overall height
54.1 inches
Front tread
62.5 inches
Rear tread
64 inches
Trunk capacity
16.4 cubic feet
Minimum road clearance
6 inches
Shipping weight
3,915 pounds
Calculated Data

Horsepower per cid
779
Weight per horsepower
12.9 pounds
Weight per cid
10.1 pounds
Weight per square inch (brakes)
22.5 pounds
Performance

Acceleration -- 0-30
3.6 seconds
0-45 6.6 seconds
0-60
9.9 seconds
Standing quarter-mile
18.1 seconds/80 mph
Top speed
108 mph
Stopping distances -- from 30 feet
30 feet
From 60 feet
156 feet

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