VW 6 Volt to 12 Volt Conversion | Bell Housing Grind for 1600 Flywheel & Starter Bushing

Upgrading your early 6-Volt Air-Cooled Volkswagen to a 12-Volt flywheel? In this instructional video, Darryl Auch of Darryl’s Air-Cooled Engines (Neosho, MO) demonstrates how to open up a 6-Volt transaxle bell housing to properly accept the larger 12-Volt flywheel. Horsepower in early 1950–1966 Volkswagen models originally ranged around 40HP. Many owners upgrade to the more capable 1600 Dual Port engine, which requires modifying the bell housing for proper flywheel clearance. In this video, Darryl walks through each step of the grinding process, shares tool recommendations, and explains what parts you’ll need for a successful conversion. 🔧 What This Video Covers: • Opening up a 6-Volt transaxle bell housing • Grinding techniques and tool recommendations • Proper clearance for a 12-Volt flywheel • Starter alignment considerations • Parts required for a complete conversion Most experienced VW builders have performed this upgrade at some point — and this video shows how it’s done correctly. 🔩 Parts Referenced in This Video VW 1950-1979 6 Volt Starter with 12 Volt Transaxle Bushing: https://www.mamotorworks.com/vw/produ... VW 1950-1966 Starter Bushing with 6 Volt Transaxle: https://www.mamotorworks.com/vw/produ... VW 1963-1970 200mm Early Style Clutch Kit Sachs: https://www.mamotorworks.com/vw/produ... VW 1967-1979 200mm Sachs 12 Volt Flywheel: https://www.mamotorworks.com/vw/produ... Explore Air-Cooled VW parts, restoration components, and accessories here: https://www.mamotorworks.com/vw Stay Connected with Mid America Motorworks – Air-Cooled VW X (Twitter): https://x.com/acvwpassion Facebook:   / aircooledvws   Instagram:   / acvwpassion