VW Quantum Syncro - Pictures, technical information, and a training manual by Volkswagen in PDF format. - http://www.duvekot.com/QSW/index.html
Syncro.org - Information and links on maintenance, restoration, photos, upgrades, and community resources. Also offers the Syncro Registry. - http://www.syncro.org/
My 1987 Quantum Syncro Wagon - About the owner's car, an archived version of R&T's road test of it, and an explanation of how the Syncro system works. - http://bork.hampshire.edu/~josiah/vw/current/qsw.html