How to Improve Triumph TR5, 250 and 6

Explains how to increase the performance and improve the handling and braking of the six-cylinder TR sports cars for fast road use, track days or more serious motorsport.

Using his own wealth of hands-on experience combined with input from many amateur restorers, and aided by the top TR specialists, Roger Williams explains in great detail how to increase the performance and improve the handling and braking of the six-cylinder TR sports cars for fast road use, track days or more serious motorsport.

First priorities
chassis strengthening and roll-cages
handling, suspension and steering upgrades
live axle and rear suspension improvements
hubs, wheels and tyres
brakes
clutch, gearbox and overdrive
improving the ignition system
selecting an improved camshaft
carburettor induction
potential EFI systems
tuning engines
electrics
body, trim and seat improvements
reproduction cars
weight watchers. Appendix: specialist suppliers.