VW Subaru engine conversions. Welcome to BUSARU. If you are embarking on a SubaruVanagon, Busaru, or Bugaru Subaru engine swap, you have come to the right place. The adventure starts with the build of your travel vehicle, and you can find build information, community, and parts to help with your Subaru engine conversion into your VW. So sit down and browse the articles, check out the YouTube Channel - BUSARU, and prepare for your next project.