[Barry Bordes]

Originally Posted by classicauto

Hmm, you're good at turning the hamster wheel in my head barry.

Most of what I know about anti reversion sleeves or chambers is in regards to non turbo exhausts and design. Do you have any information about how it relates (or if it even differs) to a turbo application?

XS Engineering's cast manifold uses a 3/8" step in their runners to the turbo.

The simplest design which I would think fairly easy to include in a mani. would be these:

http://www.patentgenius.com/image/6336471-3.html

MX motorcycle exhausts use these.

I'd imagine them directly placed on manifold flange?

F1 uses just small steps like flared tube connectors. Notice there are anti-reversion steps every few inches pipe in the Ferrari V10 below.