Has anybody seen These

http://www.primediapowerpages.com/cgi-bin/ePages7.filereader?42b070ed044d7a92271dc0a8018906e a+EN/products/103931&2D1032361

http://www.worldcastings.com/docs/05_cat_pg44.pdf

Thoughts on them? maybe even tried one.

Seems like a new Quadrajet idea.