Grinding a 6 volt Bell Housing to Accept a 12 volt Flywheel
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- Опубликовано: 13 июн 2019
- Darryl Auch
Darryl Auch of Darryl’s Air-Cooled Engines, of Neosho, MO, has been building Air-Cooled VW engines since he was 12 years old.
In this video, he demonstrates How to Open Up a 6-Volt Transaxle Bell Housing to accept the larger 12-Volt Flywheel. Most everyone in the industry has done this at one time or another, he said. Horsepower jumps from 40 to the more capable 1600 dual port in these 1950 to 1966 Volkswagen 6-Volt models.
As you watch, you’ll notice he walks you through each step, gives advice on the tools used for grinding purposes, and covers what parts or products you will need to purchase from Mid America Motorworks.
If you choose to upgrade the starter as well, you’ll need to visit mamotorworks.com and order a starter nose conversion bushing converter which is part number 382-621. This item is identified as Bushing, 1949-1966 12 Volt Starter with 6 Volt Transaxle on our website. In the OEM Air Cooled Volkswagen Transaxle from the VW Factory, this brass bushing is pressed into the hole of the transaxle bell housing where the starter passes through to meet the flywheel. This bushing is for a 12-volt starter being installed into a 6-volt transaxle only.
The bushing supports the starter shaft, aligns it with the flywheel, and prevents it from chewing up the soft metal of the bell housing, which is usually either magnesium or aluminum. It also provides support for a more positive connection between the starter gear and the flywheel during the engine starting process.
Other items you may need to purchase are the 200mm clutch and pressure plate and the flywheel. Mid America offers these as part numbers 384-400 and 355373 at mamotorworks.com. Our 1963-1970 200mm Clutch Kit is manufactured for a proper fit (once you’ve modified the bell housing) in your 6-Volt Air Cooled Volkswagen and is made for the early style release bearing Installed prior to 1970. 
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This is good stuff! Everyone has done this but it's nice having a video for any newbies! #vwlife
Went to Mid America with my Mom in 2005. California to Illinois. I owned a Corvette at the time.
Excellent video and great work guys. You failed to mention safety glasses which are much needed when blowing metal particles out but otherwise hats off too you! Great info...i sure miss the old VW Trends tech articles. Thanks again and keep buggin'.
Life saver video.. I'm in the middle of a ECS Stage 1 clutch & Flywheel for the 02j Transmission. I knew I needed a better grinder, just didn't know where to start. Thank you
Absolute life saver for a VW newbie. Thanks !!!!!!!(putting my 1641 71 buggy engine into a 66 baja )
Thanks
This is great. I've been searching for a video like this for ages. Thanks for sharing.
great information
Thanks very much! Great info and illustration.
Awesome!
My 12v flywheel fit in my supposed 6v tranny without anything. i grinded tf out of it anyway XD
Do the gearbox mount studs and bolts in the inside of the housing not catch?
Could you recommend a good bit to use like the one you're using in the video
After grinding my 6 volt tranny, it’s gonna work just fine with a 1835 motor?