Posted By Hubbard on 07-15-2009 10:41 AM
Twin Charging is relatively popular in the Mini Cooper S community and I even have a friend that runs the setup. Stock supercharger, has a slightly larger then stock pulley (less boost) and a GT28 Turbo. For engine management, he simply uses an SAFC and a wideband. It's certainly not the optimal way of doing things, but there aren't a lot of options for those cars.

Another option for dual turbos is a Compound setup, which can be seen on DSM Tuners in the fabrication section on a DSM with a full build log. The site seems to be down right now or else I'd post a link.

Ah, works now. Here you go.

http://www.dsmtuners.com/forums/cus...et-up.html

 

The reason why its popular in the Mini S community is because the water pump is run off the supercharger.

Nissan had both a turbo and a supercharger fitted in the March Super Turbo.
That motor was the famous MA09ERT and made the little Nissan quite fast for the time!

It's not a car but Lockheed used turbocharging in conjuction with a supercharger on the Allison V-1710 in their P-38 Lightning installation before WWII.