Tempest 850 Specification

This should be read in conduction with the attached notes and the current Motorsport UK Competitor’s Yearbook.

Manufacturer(s)Tempest Cars
Model850 & 850TT
ExampleTempest
Minimum Wheelbase84½in (2146mm)
Diameter of Road Wheels12in or 13in
Number of Seats2
Minimum Horizontal Dimension from Rearmost part of steering wheel and a vertical line through the axis of the rear wheels30in (762mm)
EnginesReliant 850
GearboxesReliant 850
Rear Axle CasingsReliant Fox
Maximum horizontal dimension from the centre of the foremost spark plug orifice and a vertical line through the axis of the front wheels13in (330mm)
Notes

(a) See permitted modifications listed under M6.4.1 and restriction stated in M6.4.2 In relation to listed cars, any further modifications will cause the vehicle to be reclassified into class 8.

(b) M6.7.1 – The use of wheels of diameter(s) other than as specified above will cause the vehicle to be reclassified into class 8.

(c) M6.8.1 & M6.8.3 The use of gearbox, and rear axle casings other than as specified above will cause the vehicle to be reclassified into class 8.

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