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Pontiac Bonneville Hardtop (1977)

Car Bodywork details
Type4/5S SAL
Number of doors4
Car Dimensions and Weight
Wheelbase2944 mm 115.9 in
Track: Front 1567 mm 61.7 in
Track: Rear1542 mm 60.7 in
Length5443 mm 214.3 in
Width1923 mm 75.7 in
Height1351 mm 53.2 in
Length:wheelbase ratio1.85
Ground clearance142 mm 5.6 in
Kerb weight1640 kg 3616 lb
Fuel capacity80 litres 17.6 UK Gal 21.1 US Gal
Car Engine informations
Bore × stroke101.60 mm × 76.40 mm 4 in × 3.01 in
CylindersV-8 in 90.0° vee
Displacement5 litre4955 cc(302.373 cu in)
Constructioncast iron block & head
SumpWet sumped
Compression ratio8.20:1
Fuel system1 Rochester M2MC 200 carburettor
Maximum power(DIN)136.9 PS (135.0 bhp) (100.7 kW)@ 4000 rpm
Specific output27.2 bhp/litre0.45 bhp/cu in
Maximum torque(DIN)339.0 Nm (250 ft?‚·lb) (34.6 kgm)@ 1600 rpm
bmep859.7 kPa (124.7 psi)
Specific torque68.42 Nm/litre
Maximum rpm4400 rpm
ManufacturerGM
Main bearings5
CoolantWater
Bore/stroke ratio1.33
Unitary capacity619.38 cc/cylinder
AspirationNormal
Compressor typeN/A
IntercoolerNone
Catalytic converterY
Car Performance
Power-to-weight82.32 bhp/ton
Car Chassis data
Engine locationFront
Engine alignmentLongitudinal
DriveRWD
Steeringrecirculating ball VPAS
Turns lock-to-lock3.500
Suspensionfront I.W.CS.ARB.
Tyres: Front GR78 x 15
Tyres: RearGR78 x 15
Brakes F/RVeDi/Dr-S
Brake ∅: Front 279 mm
Transmission3A
Top gear ratio1.00
Final drive ratio2.41
General car informations
RAC rating51.2

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