Features advice on how to build and modify SU carbs for 4-stroke applications, including competition cars. This work includes needle reprofiling.

Table of Contents

Introduction; Preparation; Inlet manifolds; What size carburettor(s)?; Needles; Altering needles; Choosing starting point needles; Carburettor tuning sequence; Rejetting (engines equipped with SUs as standard); Rejetting (other engines); Modifications for racing engines; Appendix: How an SU works; Index.

About the Author

Hailing originally from New Zealand, Des Hammill is a professional engineer with many years of practical experience of building race winning engines and solving technical problems. The author of several books in the SpeedPro series, Des writes in an easy to understand manner and gives step-by-step guidance. Des also takes his own photographs and creates his own line drawings.