1960 Jaguar XK150 3.8 Roadster

In 1960 Jaguar upgraded their XK engine to have a displacement of 3781 cc. This was achieved by increasing the bore and offered 220 bhp over the standard 190 bhp 3.4.

Like the previous model, an optional Special Equipment Model was available which used the B-Type cylinder head and twin SU HD6 carburetors. Other refinements included wire wheels, dual exhuast, windscreen washers. Above and beyond the SE model was the S-Type which used a straight-port cylinder head and three HD8 SU carburetors for 265 bhp @ 5500 rpm.

BODYWORK
BODY TYPE2 seater convertible/cabriolet
NUMBER OF DOORS2
DESIGNER
DIMENSIONS & WEIGHTS
WHEELBASE2591 mm102 inches
TRACK/TREAD (FRONT)1314 mm51.7 inches
TRACK/TREAD (REAR)1314 mm51.7 inches
LENGTH4496 mm177 inches
WIDTH1638 mm64.5 inches
HEIGHT1397 mm55 inches
GROUND CLEARANCE
LENGTH:WHEELBASE RATIO1.74
KERB WEIGHT1473 kg3247 lb
WEIGHT DISTRIBUTION50.5% front
FUEL TANK CAPACITY
AERODYNAMICS
DRAG COEFFICIENT
FRONTAL AREA1.69 m²
CDA
POWERTRAIN
ENGINE TYPEnaturally aspirated petrol
ENGINE MANUFACTURERJaguar
ENGINE CODE
CYLINDERSStraight 6
CAPACITY3.8 litre
3781 cc
(230.731 cu in)
BORE × STROKE87 × 106 mm
3.43 × 4.17 in
BORE/STROKE RATIO0.82
VALVE GEARdouble overhead camshaft(DOHC)
2 valves per cylinder
12 valves in total
MAXIMUM POWER OUTPUT269 PS (265 bhp) (198 kW)
at 5500 rpm
MAXIMUM TORQUE353 Nm (260 ft·lb) (36 kgm)
at 4000 rpm
SPECIFIC OUTPUT52.3 kW/litre
71.1 ps/litre
70.1 bhp/litre
1.15 bhp/cu in
SPECIFIC TORQUE93.36 Nm/litre
1.13 ft·lb/cu3
ENGINE CONSTRUCTION
SUMP
COMPRESSION RATIO8:1
FUEL SYSTEM3 SU carburettors
BMEP (BRAKE MEAN EFFECTIVE PRESSURE)1173.2 kPa (170.2 psi)
MAXIMUM RPM
CRANKSHAFT BEARINGS
ENGINE COOLANTWater
UNITARY CAPACITY630.17 cc
ASPIRATIONNormal
COMPRESSORN/A
INTERCOOLERNone
CATALYTIC CONVERTERN
PERFORMANCE
ACCELERATION 0-80KM/H (50MPH)6.2 s
ACCELERATION 0-60MPH7.6 s
ACCELERATION 0-100KM/H
ACCELERATION 0-160KM/H (100MPH)19 s
STANDING QUARTER-MILE16 s
STANDING KILOMETRE
MAXIMUM SPEED227 km/h (141 mph)
POWER-TO-WEIGHT RATIOHigher is better
182.41 PS/tonne (1000 kg)
0.18 PS/kg
134.16 kW/tonne (1000 kg)
0.13 kW/kg
179.9 bhp/tonne (1000 kg)
0.18 bhp/kg
0.08 bhp/lb
WEIGHT-TO-POWER RATIOLower is better
7.45 kg/kW
12.45 lb/bhp
FUEL CONSUMPTION
FUEL CONSUMPTION
UNIVERSAL FUEL CONSUMPTION (CALCULATED FROM THE ABOVE)
LITRES/100KM
KM/LITRE
UK MPG
US MPG
CARBON DIOXIDE EMISSIONS
CARFOLIO CALCULATED CO2 ?
VED BAND (UK)
CO2 EFFIZIENZ (DE)
CHASSIS
ENGINE POSITIONfront
ENGINE LAYOUTlongitudinal
DRIVE WHEELSrear wheel drive  
TORQUE SPLITN/A
STEERING
TURNS LOCK-TO-LOCK
TURNING CIRCLE
FRONT SUSPENSIONI.W.TB.ARB.
REAR SUSPENSIONLA.SE.
WHEEL SIZE FRONT
WHEEL SIZE REAR
TYRES FRONT
TYRES REAR
BRAKES F/RDi/Di-S
FRONT BRAKE DIAMETER
REAR BRAKE DIAMETER
BRAKED AREA
GEARBOX4 speed manual
TOP GEAR RATIO0.78
FINAL DRIVE RATIO4.09