Hi Al...!
Sorry for the delayed reply, but I've been at the race track for the past 5 days (Instructor training and then students at the DE).. Anyway - not ignoring you, just logged in the evenings to be sure everything was still running - and then went to bed..!!
The extractor tension sounds right. The casing will not be held tight against the breechface, but enough tension to hold it in place - so it sounds like you are in the right area with the tension....
Let us know how it shoots, OK???!!
Best to you!