Have a complete set of workshop manuals, they have updates up to 1988/89.
see my ebay ad Item number: 7932655698
928 Factory Workshop Manuals
they are used but in good condition.
incomlete set of used porsche Workshop Manuals
MISSING Volume 1 and Volume 7
Up for auction are four Factory Workshop Manuals
Volume 1A Engine
Volume 2 Transmission
Volume 3 Transmission (Automatic)
Volume 4 Chassis, Heating, Air Condition
Volume 5 Body, Electrics
Volume 6 Electrics (wiring diagrams)
These service manuals are for the Porsche 928. they are in good condition.
Porsche# W 42-608-126-1
Thanks, Ron