21-06-2022, 12:44 AM
Without a full selection of needles he will NOT be able to set the carburettor up correctly, the mistake most people make with an SU is adjusting the jet height to solve mixture problems. This should only be done for the IDLE mixture, correction of mixture anywhere else should only be done with the needle, if you don't follow this advice the result WILL be a compromise and ultimate performance WILL suffer.
Black Art Enthusiast