mopar won't stay running with carter 625 .
This thread:
http://www.forabodiesonly.com/mopar/showthread.php?t=187994
So DARN hard to diagnose this stuff
Did you buy it used?
Do you know that it USED to work?
Is it dirty, all gummed up? Have you had the top off the carb?
WHAT MANIFOLD is this on? Spread bore? My first inclination would be vacuum leak