Jaguar 420 1966-69 specifications

Engine: 6 Cylinder in-line, cast iron block, DOHC, alloy head, 7 bearings

Bore & Stroke: 92mm x 106mm

Displacement: 4,235cc

Valves: inclined o.h.v

Compression ratio: 8 / 1

Carburettors: 13/4 HD6 SU

Power output: 245bhp at 5,500rpm

Maximum speed:123mph

Acceleration (0-60mph): 10.2secs

Overall fuel consumption: 15.8mpg

Transmission: RWD, manual 4-speed with Laycock de Normanville overdrive

Ratios: Top 3.54, 2nd 7.012, 3rd 4.541,1st and reverse 11.95 to one

Propellar Shaft: Hardy Spicer
Clutch: single dry plate 10in

Construction: unitary all steel

Brakes: servo-assisted, discs all round, front 11in disc, rear 11.75in disc

Steering: Burman recircolating ball (power assisted as optional)

Suspension: front semi-trailing wishbone & coil, rear wishbones with driveshafts as upper links, radious arms, coil-over shock asborbers

Wheels: 15in x 5J pressed steel disc

Dimensions

Wheelbase: 107.5in

Track: front 55.2in, rear 54.3in

Overall length: 187.8in

Overall width: 66.75in

Overall height: 54.5in

Ground clearance: 7in

Kerb weight: 31cwt

Capacities: Petrol tank 13.7 Imp gal, oil: 13 pints, cooling: 20 pints

420 Production: 1966-69
Jaguar 420 (1966-68): 10,236 built
Daimler Sovereign (1966-69): 5,824 built, Coventry, England