NG TF Specification

This should be read in conjunction with the current Motorsport UK yearbook.

Manufacturer(s) NG Cars
Model TF
Example NG TF
Minimum Wheelbase 94in, 238.8cm
Diameter of Road Wheels 14in, 15in
Number of Seats 2 + 2
Minimum Horizontal Dimension from rearmost part of steering wheel and a vertical line through the axis of the rear wheels 39in, 99cm
Engines BL / BMC “B” Series
Gearboxes MGB
Rear Axle Casings BL / BMC “B” Series
Maximum horizontal dimension from the centre of the foremost spark plug orifice and a vertical line through the axis of the front wheels 5in, 12.7cm
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, transaxle and rear axle casings other than as specified above will cause the vehicle to be reclassified into class 8

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