Did you know that SUs can give almost as much performance as Webers & Dellortos? Here's an expert guide to building and modifying SU carburettors to suit high-performance applications. Includes re-profiling needles and how to 'jet' SUs for almost any application.

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.