You may want to post both of your messages on the "Club Saito" forum. There is a fellow (Dave Hobbes "hobbsy") that is great at diagnosing Saitos and is the moderator of the forum. Dave is a member of my RC club and he flies exclusively Saitos and has for a long time.
http://www.rcuniverse.com/forum/m_33...tm.htm#8716815