Service information manuals, 78-79
The 1978 and 1979 Porsche 928 service information manuals contain highly detailed information, diagrams and schematics.
From engine to transmission, power steering to suspension, headlights, climate control, central warning and electrics.
This is one of the best technical introductions to the early Porsche 928!
If you would like these for your personal collection, you may find them available here.