Daimler SP250
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THE FACTORY"S DESCRIPTION:
ENGINE: V type, eight cylinder, water cooled, OHV, Bore 3", Stroke 2.75", Capacity 153 ci (2.547 litres) Single high camshaft operates valves through short alloy pushrods. Double heavy duty valve springs. Aluminium alloy hemispherical cylinder heads. Stiff 5 main bearing crankshaft, dynamically balanced. Compression ratio 8.2:1 Twin SU carburettors. BHP 140 @ 5800rpm. Max Torque 155 ft/lbs @ 3600rpm. SU electric fuel pump.
IGNITION: Coil and distributor with auto and vacuum control.
LUBRICATION: Submerged gear type oil pump. Full flow filter. Sump capacity 1.75 US gallons.
COOLING SYSTEM: Pressurised radiator with fan, pump and thermostat control.
TRANSMISSION: 4 speeds with syncromesh on top three ratios. Provision for overdrive.
REAR AXLE: Hypoid bevel 3.58:1
STEERING: Cam type.
SUSPENSION: Independent front with coil springs. Half elliptics at rear. Oversize dampers.
DISC BRAKES: Finest braking system ever. Discs on all four wheels, hydraulic operation entirely fade free!
MODEL HISTORY The Daimler Dart was launched at the 1959 New York Motor Show, and its greatest success was in the American market. It had a fibreglass body, four wheel Girling disc brakes, and a 2.5 litre Hemi-head V8 designed by Edward Turner. They were soon forced to drop the Dart name when threatened with legal action by Chrysler’s Dodge division, the car was then renamed the Daimler SP250.
The original A-spec version could do 120mph, but the chassis, a “14-gauge ladder frame with cruciform bracing”, flexed so much that doors came open, marring its otherwise brilliant specifications.
Jaguar bought Daimler in 1960, and were immediately concerned about the chassis flex. They brought out the B-spec version with extra outriggers on the chassis and a strengthening hoop between the A posts. There were also other detail improvements, including an adjustable steering column.
There was a C-spec version introduced in 1963 with some additional luxuries as standard equipment.
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