turner, there are a number of resources for you to tap into when it comes to the carb Tom from the Weaver group is a good guy, PIT can get you intouch with him or Alan from PIT.
On this site there is more knowledge than I could fathom. Barnone knows this carb almost intimately, and thanks to Jape and Barnone for the link to the PZ carb manual you can check it out here
http://walbro.com/brochurefiles/3368...g%20Manual.pdf