A Datsun oriented page with diagrams and clear tuning instructions and tips.
An SU page from the Swedish Embassy - Volvo oriented but good for all SU applications.
SU tech page with many
links.
Another site about SU
tuning - from the MG owners club.
Z-Therapy SU rebuilders with a wealth of information
about the SU/Hitachi units used on 240Z Datsuns