turbo 360

AnotherA has the basics very well covered. The basics are are the flipped exhaust manifolds or headers to route the exhaust to the turbo, the downpipe(s) to route the exhaust after the turbo, and the charge piping from the "cold" side of the turbo, into the inlet of the engine, whether through a carb or a throttle body.
This is a VERY simplified version.
Is this for the truck in you avatar.
If so, there is a turbo exhaust manifold that would make a huge difference.
I suggest a through SEARCH on www.theturboforums.com
They have all kinds of info on either buying or building a blow through carb.