A comprehensive comparison of key specifications between the 1967 Ac 428 Convertible and the 63 Ford Lotus Cortina Mk I. To facilitate a clear understanding, we've organized the essential data into a concise table for your convenience.

To sum it up, we've put together a convenient table below, summarizing the key specifications of 1967 Ac 428 Convertible and 63 Ford Lotus Cortina Mk I. Whether you're drawn to 1967 Ac 428 Convertible's practicality or 63 Ford Lotus Cortina Mk I's beauty, this comparison will help you make an informed decision:

Cars
	1967 AC 428 Convertible	1963 Ford Lotus Cortina Mk I
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General
Body Details
Body type	2 seater convertible/cabriolet
Brakes
bmep (brake mean effective pressure)	1122.2 kPa (162.8 psi)kPa
Braked area	3742 cm2
Brakes F/R	Di/Di-S
Front brake diameter	298 mmmm
Rear brake diameter	267 mmmm
Chassis & Geomtry
Front suspension	I.CS.DW.
Length:Wheelbase Ratio	1.85
Rear suspension	I.CS.DW.
Turning circle	13.40 m
Turns Lock-to-Lock	3.500
Dimensions
Fuel Tank Capacity	85.9litres
Ground clearance	178mm
Height	1257mm	1390mm
Kerb weight	1483kg
Length	4509mm	4210mm
Track/tread (front)	1397mm
Track/tread (rear)	1422mm
Wheelbase	2438mm	2490mm
Width	1702mm	1590mm
Engine details
Aspiration	Normal
Bore × Stroke	105 × 101.2mm
Bore/stroke ratio	1.04
Capacity	7 litre (7010 cc)
Catalytic converter	N
Compression Ratio	10.5:1
Crankshaft Bearings	5
Cylinders	V 8 in 90° vee
Engine construction	cast iron block & head
Engine coolant	Water
Engine layout	longitudinal
Engine manufacturer	Ford
Engine position	front
Engine Type	naturally aspirated petrol
Final drive ratio	2.88
Gearbox	3
Specific output(SAE)	49.2 bhp/litre0.81 bhp/cu in
Specific torque(SAE)	89.3 Nm/litre, 1.08 ft·lb/cu3
Sump	wet sumped
Top gear ratio	1
Fuel Consump.
Fuel system	1 Ford carb
Performance
Drive wheels	rear wheel drive
maximum power output(SAE)	350 PS (345 bhp) (257 kW)at 4600 rpm
Maximum RPM	5250 rpmrpm
Maximum speed	233km/h	174km/h
maximum torque(SAE)	626 Nm (462 ft·lb) (63.8 kgm)at 2800 rpm
Power-to-weight ratio	235.87 PS/tonne (1000 kg), 173.48 kW/tonne (1000 kg), 232.64 bhp/tonne (1000 kg), 0.1 bhp/lb
Weight-to-power ratio	5.76 kg/kW, 9.63 lb/bhpkg/kW
Prices
Saftey
Wheels & Tyres
Tyres front	205 x 15
Tyres rear	205 x 15
Aerodynamics
Other
Designer	Frua
Number of doors	2
RAC rating	54.7
Unitary capacity	876.25cc
Valve gear	overhead valve (OHV), 2 valves per cylinder, 16 valves in total

In conclusion, the 1967 Ac 428 Convertible and 63 Ford Lotus Cortina Mk I are two distinct cars and your choice ultimately boils down to your individual preferences and priorities. We hope this analysis aids you in your automotive journey, helping you find the perfect fit for your needs and desires.