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Category 3 Sunbeam Lotus

Information taken from Homologation form no 1700.

Engine.
4cyl Belt driven 16valve cyl head.
2174cc – 2202cc
Lubrication: Wet or dry sump

Ignition.
Electronic Lucas or Lumintion

Carburation.
Twin DCOE´s

Suspension.                                                                                                                                                                                        Front McPherson strut with a standard fixed spring platform. (Not adjustable platform)
Front: Standard or Rose jointed bottom arms and tie bars.
Rear: Rose jointed rear axle links.

Gearbox.
5 speed ZF. Cable operated clutch.

Rear Axle.
Titan axles are not permitted.

Brakes.
Adjustable pedal box.
Front. Standard or AP racing disc and calipers.
Rear: Disc or drum. AP or Girling single caliper per side.                                                                                                                         Hydraulic hand brake

Master Cylinders.

Single outlet master cylinders may be replaced by a Tandem or Twin cylinder arrangement.

The fitting of a dual master cylinder or any other type of device providing a simultaneous action on all four wheels and divided action on two wheels is permitted, providing the original brake pedal and pivot point are used.

The remote brake bias adjuster must be positioned so that it cannot be adjusted by either the driver or co-driver when normally seated in the car.

Wheels and Tyres.
Wheel rim, Tyre size as per MSA Blue book.

General.
Strut brace with bulkhead fixings.
Fibre glass bonnet and boot lid.
Composite side and rear windows.


Standard or Alloy centrally mounted replacement petrol tank.
Steel front wings. (Not Fibreglass)
Front and rear bumpers must be fitted.
Digital display dashes and instruments are not permitted.