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
Model Sierra Estate
Example Sierra
Minimum Wheelbase 94½in (2400mm)
Diameter of Road Wheels 14in
Number of Seats 4
Minimum Horizontal Dimension from Rearmost part of steering wheel and a vertical line through the axis of the rear wheels 57in (1440mm)
Engines Ford Kent Series, Ford Pinto Series
Gearboxes As fitted to Ford Escort Mk’s 1&2
Rear Axle Casings As 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 wheels Kent 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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