Bulletin Boards mainly Finnish with loads of information but you may use English as well The Cal-look Lounge (English) Finnish Volkswagen Association (Finnish) classic aircooled bulletin board (English)

Aircooled Parts Specialists webshop, Aircooled Finland Oy – Volkswagen Classic Parts Germany – WERK34 Volkswarenhaus Heusnerr Stauber  webshop, Oberschlachter Oy  Kokkolan Auto-Fix / NeoRetro German webshop

Finnish Speedshops


DWL Engine Calculation Tools v3.0 (Ms Excel xls -file)
044 Cylinder Head Spark Plug Chart (Ms Excel xls -file)