• Aircooled VW Engine Interchange Manual, The User's Guide to Original and Aftermarket Parts for Tuning. Keith Seume. (ISBN 0-7603-0314-2)
  • VW Beetle Performance Handbook, by Keith Seume (ISBN 0760309094) (Different ISBN)
  • How to Tune and Modify Bosch Fuel Injection by Ben Watson (ISBN 0-87938-570)
  • How to Modify Volkswagen Bus Suspension, Brakes & Chassis for High Performance by James Hale. Covers T1 & T2 1950-1979 (much also applies to T3 1979-1982). Buses, campers, vans & pick-ups. (ISBN 1-903706-14-9)
  • How to Rebuild Your Volkswagen Air-Cooled Engine by Tom Wilson: How to troubleshoot, remove, tear down, inspect, assemble & install your Bug, Bus, Karmann Ghia, Thing, Type-3, Type-4 & Porsche 914 engine. Includes parts interchange. All models, 1961 and up. (ISBN 0-89586-225-5)