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Buick GSX 455 Stage I

Bodywork

type 4/5S FHC
doors 2

Engine information

Bore × stroke 109.50 mm × 99.10 mm 4.31 in × 3.9 in
Cylinders V-8 in 90.0° vee
Displace 7.5 litre 7466 cc (455.603 cu in)
Engine type OHV
Valves 2 valves per cylinder | 16 valves in total
Engine construction
Sump Wet sumped
Compression ratio 10.50:1
Fuel system 1 Ro carb
Maximum power 365 PS (360.0 bhp) (268.5 kW) @ 4600 rpm
0-50 mph
0-60 mph
0-100 mph
0-100 km/h
80 - 120 km/h
402 m (Quarter mile)
Standing km
Top speed
Fuel consumption
CO2 emissions
Power to weight ratio 203.62 bhp/ton
Specific output
Maximum torque 691.0 Nm (510 ft·lb) (70.5 kgm) @ 2800 rpm
bmep 1163.1 kPa (168.7 psi)
Specific torque 92.55 Nm/litre
Maximum rpm
Code
Main bearings 5
Coolant Water
Bore / stroke ratio 1.1
Unitary capacity 933.25 cc/cylinder
Aspiration Normal
Compressor type N/A
Intercooler None
Catalytic converter N

Dimensions and weight

wheelbase 2845 mm
wheelbase 112 in
Length (milimeters) 5131 mm
Length (inches) 202 in
Width (milimeters) 1963 mm
Width (inches) 77.3 in
Height (milimeters) 1346 mm
Height (inches) 53 in
L:W ratio 1.8
Ground clearance (milimeters) 163 mm
Ground clearance (inches) 6.4 in
Kerb weight (kilograms) 1768 kg
Kerb weight (pounds) 3898 lb
Weight distribuiton
Fuel capacity (litres) 75.8 litre
Fuel capacity (UK Ga) 16.7 UK Ga
Fuel capacity (US Gal) 20 US Gal

Aerodynamics

Drag coefficient
Frontal area
Cx

Chassis

Engine location Front
Engine alignment Longitudinal
Drive RWD
Steering
Turns lock-to-lock 5.600
Turning circle
Tyres G60-15
Wheels 7.00 x 15
Brakes F/R VeDi/Dr-S
Brake ∅ 279 mm
Braked area
Transmission 4M
Top gear ratio 1.00
Final drive ratio 3.64

General information

RAC rating 59.5
Number made
Model code
Model family
Insurance classification No information available
Tax band No information available

Manual Download

Download 1970 Buick GSX 455 Stage I PDF Manual
Designer unknown
Year 1970

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