Dutton Sierra Estate Specification

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

Manufacturer(s)Dutton
ModelSierra Estate
ExampleSierra
Minimum Wheelbase94½in (2400mm)
Diameter of Road Wheels14in
Number of Seats4
Minimum Horizontal Dimension from Rearmost part of steering wheel and a vertical line through the axis of the rear wheels57in (1440mm)
EnginesFord Kent Series, Ford Pinto Series
GearboxesAs fitted to Ford Escort Mk’s 1&2
Rear Axle CasingsAs fitted to Ford Escort Mk’s 1&2
Maximum horizontal dimension from the centre of the foremost spark plug orifice and a vertical line through the axis of the front wheelsKent Series:- 5in (130mm)
Pinto Series:- 6½in (170mm)
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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