\6 update question
Lots of folks have done each. Here's one of my favorites:
http://www.projectplato.com/cars/bigredhome.html
xwaynestaticx03 is right, check out slantsix.org. Several members have done turbos. There's also a guy with a centrifugal supercharger set-up from the Supercharger Store there as well, just do a search.
There are no references to the slant set-up on the site, but the owner posted stuff about this supercharger on .org:
http://www.thesuperchargerstore.com/