1989 TVR 450 SEAC

TVR 450 SEAC is a car that has a 2 door convertible/cabriolet type body with a front located engine that delivers power to the rear wheels. It is powered by a naturally aspirated engine of 4.5 litre capacity. This powerplant features overhead valve valve gear, 8 cylinder layout, and 2 valves per cylinder. It develops 320 bhp (324 PS/239 kW) of power at 5700 rpm, and maximum torque of 420 N·m (310 lb·ft/42.8 kgm) at 4000 rpm. A 5 speed manual 'box supplies the power to the driven wheels. The TVR 450 SEAC weighs a stated 1043 kg at the kerb. Maximum quoted speed is 257 km/h or 160 mph.
Full specs

Body type
2 door convertible/cabriolet with 2 seats
Length
4013 mm
Weight
1043 kg
Engine type
naturally aspirated petrol
Engine size
4.5 litre
Cylinders
8, V
Power
324 PS / 320 bhp / 239 kW @ 5700 rpm
Torque
420 Nm / 310 ft.lb / 42.8 kgm @ 4000 rpm
Acceleration
0-60 mph 4.7 s
Top speed
257 km/h / 160 mph

1989 TVR 450 SEAC specifications

1989 TVR 450 SEAC data
bodywork
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Body type	2 seater convertible/cabriolet
Number of doors	2
Designer
dimensions & weights
Wheelbase	2413 mm	95 inches
Track/tread (front)
Track/tread (rear)
Length	4013 mm	158 inches
Width	1727 mm	68 inches
Height	1219 mm	48 inches
Ground clearance
length:wheelbase ratio	1.66
Kerb weight	1043 kg	2299 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer
Engine code
Cylinders	V 8
Capacity	4.5 litre 4497 cc (274.424 cu in)
Bore × Stroke	94 × 81 mm 3.7 × 3.19 in
Bore/stroke ratio	1.16
Valve gear	overhead valve (OHV) 2 valves per cylinder 16 valves in total
maximum power output	324 PS (320 bhp) (239 kW) at 5700 rpm
maximum torque	420 Nm (310 ft·lb) (42.8 kgm) at 4000 rpm
Specific output	53.1 kW/litre 72.1 ps/litre 71.2 bhp/litre 1.17 bhp/cu in
Specific torque	93.4 Nm/litre 1.13 ft·lb/cu³
Engine construction
Lubrication
compression ratio	9.8:1
Fuel system	Lu fuel inj.
bmep (brake mean effective pressure)	1173.6 kPa (170.2 psi)
Maximum RPM
crankshaft bearings
Engine coolant	Water
Unitary capacity	562.13 cc
Aspiration	Normal
Compressor	N/A
Intercooler	None
Catalytic converter	N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph	4.7 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed	257 km/h (160 mph)
Power-to-weight ratio	Higher is better 311.07 PS/tonne (1000 kg) 0.31 PS/kg 228.79 kW/tonne (1000 kg) 0.23 kW/kg 306.81 bhp/tonne (1000 kg) 0.31 bhp/kg 0.14 bhp/lb
Weight-to-power ratio	Lower is better 4.37 kg/kW 7.3 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	unknown
Drive wheels	rear wheel drive
Torque split	N/A
Steering
turns lock-to-lock
Turning circle
Front suspension	I.W.CS.ARB.
Rear suspension	I.W.CS.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R	VeDi/Di
Front brake diameter
Rear brake diameter
Braked area
Gearbox	5 speed manual
Top gear ratio
Final drive ratio
general
Carfolio.com ID	13948
Production total
Model code
RAC rating	43.8
Insurance classification	No information available
Tax band	No information available
1989 TVR 450 SEAC added before December 1995. Last modified 2013-02-28.