LOTUS SEVEN REGISTER
the web site for the
Seven made by Lotus between 1957 and 1973
Circa March 1970 to August 1973 then by Caterham Cars.
CHASSIS NUMBER SEQUENCE:
S4/2650 to S4/331(?). Left hand drive cars had the prefix 'LBS4' or 'LS4'
66? plus 37 by Caterham Cars.
Mild steel tubular structure with fabricated stressed steel side panels and front section.
Pigmented glass fibre bonded centre section bolted to chassis. Seperate front wings and front hinged bonnet.
Pressed steel double wishbone with coil spring damper units plus anti-rollbar.
'Live' axle located by leading and trailing links, lateral location by wishbones, coil spring damper units control ride.
STANDARD ENGINES AND GEARBOXES:
1600cc. FORD 2255E overhead valve engine with crossflow head and Weber 32DFM twin choke progressive down-draught carburettor in standard tune (GT Cortina) developing 84bhp at 5,500rpm. Compression 9.0:1. Ford semi-close ratio 4-speed all synchromesh gearbox and Ford gearknob. 2.97:1, 2.01:1, 1.40:1, 1:1, Reverse 3.32:1.
1558cc. LOTUS TWIN-CAM engine with twin 40DCOE Weber carburettors in standard Special Equipment tune (115bhp) as an optional extra using the same gearbox and as above but the Lotus-Holbay version (126bhp)
Ford 'live' rear axle with 3.77:1 ratio.
Front are Girling (Triumph Spitfire) hydraulically operated 9" disc type. Rear are hydraulically operated 8 1/2" - 9" drums. Mechanical handbrake.
Rack and pinion, 2 3/4 turns lock to lock, collapsible column, 13" alloy spoke wheel with PVC rim.
WHEELS AND TYRES:
5 1/2" x 13" pressed steel 'bolt-on' rims with chromium plated hub-caps. 5 1/2" x 13" light alloy 'bolt-on' rims (Brand Lotus) at extra cost. All with either 165 x 13 Dunlop SP Sport or Goodyear G800 radial tyres as standard.
12 volt negative earth battery located in the boot. [Extract from a Lucas Catalogue]
(All by Smiths.) Speedometer, Tachometer, Oil Pressure Guage, Water Temperature Guage, Ammeter and Fuel Guage.
Black pile carpets and black ventilated interior trim, seat squabs and back rest.
7 1/2 gallon steel fuel tank.
EX-WORKS PRICES (from factory ephemera):
Circa 1970/1 - Seven GT Basic (Ford 225E powered) - £945.00
Circa 1970/1 - Seven S/E De Luxe (Ford 225E powered) - £995.00
Circa 1970/1 - Seven Holbay Clubman (Ford 225E Holbay powered) - £1295.00
Circa 1970/1 - Seven Twin Cam (Lotus Ford Twin Cam powered) - £1245.00
On All Models: Screen Washer; Heater; Air Horns; Repeater Flashers; Roll Over Bar; Tonneau Cover; Seat Belts; Tool Kit; Light Alloy Wheels by Lotus (Brand Lotus?); Hardtop.
Overall Length 146.3", Overall Width 60.5", Overall Height (Top of Hood) 44", Overall Height (Top of Screen) 41.5", Front Track 48.8", Rear Track 51.5", Ground Clearance 6.5".
Laden 1310lbs. (Twin-Cam Version).