1956 AC Ace-Bristol

The AC Ace-Bristol is a convertible/cabriolet with 2 doors and a front mounted engine which delivers its power to the rear wheels. The 2 litre engine is a naturally aspirated, overhead valve, 6 cylinder unit that has an output of 125 bhp (127 PS/93 kW) of power at 6000 rpm, and maximum torque of 167 N·m (123 lb·ft/17 kgm) at 4500 rpm. The engine transfers its power through to the wheels via a 4 speed manual gearbox. It weighs a stated 894 kg at the kerb. Maximum speed claimed is 190 km/h or 118 mph.
Full specs

Body type
2 door convertible/cabriolet with 2 seats
Length
3848 mm
Weight
894 kg
Engine type
naturally aspirated petrol
Engine size
2 litre
Cylinders
6, Straight
Power
127 PS / 125 bhp / 93 kW @ 6000 rpm
Torque
167 Nm / 123 ft.lb / 17 kgm @ 4500 rpm
Acceleration
0-60 mph 9.1 s
Top speed
190 km/h / 118 mph

1956 AC Ace-Bristol specifications

1956 AC Ace-Bristol data
bodywork
Français Deutsch Nederlands Italiano Español English
Body type	2 seater convertible/cabriolet
Number of doors	2
Designer
dimensions & weights
Wheelbase	2286 mm	90 inches
Track/tread (front)	1270 mm	50 inches
Track/tread (rear)	1270 mm	50 inches
Length	3848 mm	151.5 inches
Width	1511 mm	59.5 inches
Height	1245 mm	49 inches
Ground clearance	178 mm	7 inches
length:wheelbase ratio	1.68
Kerb weight	894 kg	1971 lb
Weight distribution	49% front
fuel tank capacity	59.1 litres	13 [15.6] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer	Bristol
Engine code	100D2
Cylinders	Straight 6
Capacity	2 litre 1971 cc (120.278 cu in)
Bore × Stroke	66 × 96 mm 2.6 × 3.78 in
Bore/stroke ratio	0.69
Valve gear	overhead valve (OHV) 2 valves per cylinder 12 valves in total
maximum power output (Net)	127 PS (125 bhp) (93 kW) at 6000 rpm
maximum torque (Net)	167 Nm (123 ft·lb) (17 kgm) at 4500 rpm
Specific output (Net)	47.3 kW/litre 64.3 ps/litre 63.4 bhp/litre 1.04 bhp/cu in
Specific torque (Net)	84.73 Nm/litre 1.02 ft·lb/cu³
Engine construction
Lubrication
compression ratio	9:1
Fuel system	3 So carbs
bmep (brake mean effective pressure)	1064.7 kPa (154.4 psi)
Maximum RPM
crankshaft bearings
Engine coolant	Water
Unitary capacity	328.5 cc
Aspiration	Normal
Compressor	N/A
Intercooler	None
Catalytic converter	N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph	9.1 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile	16.5 s
Standing kilometre
Maximum speed	190 km/h (118 mph)
Power-to-weight ratio	Higher is better 141.76 PS/tonne (1000 kg) 0.14 PS/kg 104.26 kW/tonne (1000 kg) 0.1 kW/kg 139.82 bhp/tonne (1000 kg) 0.14 bhp/kg 0.06 bhp/lb
Weight-to-power ratio	Lower is better 9.59 kg/kW 16.02 lb/bhp
fuel consumption
Fuel consumption
universal fuel consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carbon dioxide emissions
Carfolio Calculated CO₂ ^?
VED band (UK)
CO₂ Effizienz (DE)
chassis
Engine position	front
Engine layout	longitudinal
Drive wheels	rear wheel drive
Torque split	N/A
Steering
turns lock-to-lock	2.000
Turning circle	11.30 m
Front suspension	I.TL.
Rear suspension	I.TL.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R	Dr/Dr
Front brake diameter
Rear brake diameter
Braked area
Gearbox	4 speed manual
Top gear ratio	1
Final drive ratio	3.90
general
Carfolio.com ID	52107
Production total
Model code
RAC rating	16.2
Insurance classification	No information available
Tax band	No information available
1956 AC Ace-Bristol added before December 1995. Last modified 2013-02-28.