If you don't mind the hippyness of it, John Muirs 'How to Keep Your Volkswagen Alive' is a good bet, and rather more 'real World' than the likes of Haynes 'disconnect earth lead first'' Manuals.
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
Volkszone Forum
A forum community dedicated to aircooled Volkswagen owners and enthusiasts. Come join the discussion about performance, restorations, modifications, classifieds, troubleshooting, maintenance, and more!