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Jaguar XK150

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Title: Jaguar XK150  
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Subject: Jaguar Cars, Jaguar E-Type, Jaguar XK140, Jaguar Land Rover, Norman Dewis
Collection: 1950S Automobiles, Jaguar Vehicles, Rear-Wheel-Drive Vehicles, Roadsters, Sports Cars, Vehicles Introduced in 1957
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Jaguar XK150

Jaguar XK150
1958 Jaguar XK150 Roadster
Overview
Manufacturer Jaguar Cars
Production 1957–1961
Assembly Coventry, England
Body and chassis
Class Sports car
Body style 2–3 seater coupé
2–3 seater convertible
2 seater roadster
Layout FR layout
Powertrain
Engine 3442 cc (210CID[1]) I6
3781 cc I6
Dimensions
Wheelbase 2,591 mm (102.0 in)
Length 4,496 mm (177.0 in)[2]
Width 1,580 mm (62.2 in)
Kerb weight 2,968 lb (1,346 kg)
Chronology
Predecessor Jaguar XK140
Successor Jaguar E-type

The Jaguar XK150 is a sports car produced by Jaguar between 1957 and 1961. It replaced the XK140.

Initially it was available in Fixed Head Coupé (FHC) and Drophead Coupé (DHC) versions. The Roadster (XK150 OTS - Open Two-Seat) was launched in 1958. Minimal rear seats were fitted in the coupés.

Contents

  • History 1
  • Engine specifications 2
  • Performance 3
  • Photographs 4
  • References 5
  • External links 6

History

Although bearing a family resemblance to the XK120 and XK140, the XK150 was radically revised. A one-piece windscreen replaced the split screen, and the wing line no longer dropped so deeply at the doors. The widened bonnet opened down to the wings, and on the Roadster the windscreen frame was moved back 4 inches (102 mm) to make the bonnet longer. The car was available at various times in Red, Pearl Grey, White, Indigo Blue, Claret, Cotswold Blue, Black, Mist Grey, Sherwood Green, Carmen Red, British Racing Green, Cornish Grey, and Imperial Maroon.

The XK140's walnut dashboard was replaced by one trimmed in leather. On the early Drophead Coupés, the aluminium centre dash panel, which was discontinued after June 1958, had an X pattern engraving similar to the early 3.8 E-type. Thinner doors gave more interior space. On the front parking lights, which were located atop the wings (fenders), a little red light reminded the driver the lights were on.[3]

Suspension and chassis were very similar to the XK140, and steering was by rack and pinion; power steering was not offered. The standard engine, the similar to the XK140, but with an new "B" type cylinder head, was the 3.4 litre DOHC Jaguar straight-6 rated at 180 SAE bhp at 5750 rpm but most cars were fitted with the SE engine whose modified cylinder head (B type) and larger exhaust valves boosted the power to 210 SAE bhp at 5500 rpm. Twin 1.75-inch (44 mm) SU HD6 carburettors were fitted.

While the first XK150s were slower than their predecessors, the deficit was corrected in the spring of 1958 with a 3.4-litre "S" engine whose three 2-inch (51 mm) SU HD8 carburettors and straight-port cylinder head increased power to a claimed 250 SAE bhp.

For 1960, the 3.4 litre engine was bored to 3.8 litres, rating this option at 220 hp (164 kW; 223 PS) in standard tune or 265 hp (198 kW; 269 PS) in "S" form. A 3.8 litre 150S could top 135 mph (217 km/h) and go from 0–60 mph in around 7.0 seconds. Fuel economy was 18mpg.[3] Four-wheel Dunlop 12 in (305 mm) disc brakes appeared for the first time although it was theoretically possible to order a car with drums. When leaving the factory the car originally fitted either 6.00 × 16 inch Dunlop Road Speed tyres as standard, or you could specify 185VR16 Pirelli Cinturato CA67 as a radial option on either 16 × 5K½ solid wheels (basic models) or 16 × 5K wire wheels.[4]

Production ended in October 1960,[5] and totalled 2265 Roadsters, 4445 Fixed Head Coupés and 2672 Drophead Coupés.

Engine specifications

XK 150 ENGINES[6][7]
Model Years Displacement Configuration Bore/Stroke Carburettor Power
XK 150 3.4 1957–1960
3442cc
DOHC Straight-6
83mm x 106mm
Double SU HD6 190 bhp (142 kW; 193 PS) @ 5500 rpm
XK 150 3.4 SE 1957–1960
3442cc
DOHC Straight-6
83mm x 106mm
Double SU HD6 210 bhp (157 kW; 213 PS) @ 5500 rpm
XK 150 3.4 S 1958–1960
3442 cc
DOHC Straight-6
83 mm x 106 mm
Triple SU HD8 250 bhp (186 kW; 253 PS) @ 5500 rpm
XK 150 3.8 SE 1959–1960
3781 cc
DOHC Straight-6
87 mm x 106 mm
Double SU HD6 220 bhp (164 kW; 223 PS) @ 5500 rpm
XK 150 3.8 S 1959–1960
3781 cc
DOHC Straight-6
87 mm x 106 mm
Triple SU HD8 265 bhp (198 kW; 269 PS) @ 5500 rpm

Performance

A 250 bhp 3.4 litre XK150S Fixed-Head Coupé with limited slip differential was tested by The Motor in 1959. It had a top speed of 132 mph (212 km/h) and could accelerate from 0–60 mph (97 km/h) in 7.8 seconds. Fuel consumption of 22.0 miles per imperial gallon (12.8 L/100 km; 18.3 mpg-US) was recorded. The test car cost £2110 including taxes of £623. It was at the time the fastest closed car the magazine had ever subjected to a full road test.[8]

Photographs

References

  1. ^ "Bowling's Engine Displacement Unit Conversion". Bgsoflex.com. Retrieved 8 November 2011. 
  2. ^ "Image: 58%20Jaguar%20v%20150%20P04.jpg, (1296 × 922 px)". storm.oldcarmanualproject.com. 26 May 2007. Retrieved 2 September 2015. 
  3. ^ a b Willson, Quentin (1995). The Ultimate Classic Car Book. DK Publishing, Inc.  
  4. ^ Paul Skilleter, Jaguar Sports Cars, pp.312 ISBN 0-85429-166-0.
  5. ^ Jaguar XK150 – A Brief History – Retrieved on 5 November 2008
  6. ^ Jaguar XK150 Specifications – Retrieved on 4 November 2008
  7. ^ The Jaguar Database – Retrieved on 4 November 2008
  8. ^ "The Jaguar XK150S Fixed-head Coupé".  
  • Porter, Philip (1998). Original Jaguar XK. Bay View Books.  

External links

  • XKData.com volunteer maintained online registry with thousands of cars
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