check the archives. there is a section under fuel systems, 440 6pak street performance, carb and timing tips.
the other one [which i think you may be wanting] was by member tom hand[?]. he got rather mad because he kept trying to tell people what he found out really works, but they would either ignore him, or just argue for the sake of arguing with him. i "may" have that saved, but i don't know exactly where.