Camden Superchargers?

[Whizbang]

I have been toying with the idea of getting a supercharger on a rotary for awhile and the Camden kits from Atkins interest me. But to be honest i am not sure what size to run with. the 7" seems to be of a "ready to go" kit, but i have no idea why the EFI one is 1300 more....then there is the 9 and 12 inch superchargers...

But at any rate i want to either run one on my 13B four port project toy, or even maybe my stock port turbo II as a replacement for the stock turbo setup. Mostly for giggles and shits since i have never seen it done to a turbo II.

If anyone has knowledge of the 13b supercharged, let me know.

Also, looking for information on the durability of the units themselves...