Pat, When I spun my Lakester in '05 at El Miriage---I went around asking as many people as I could find that I knew to have be around for a while, about "OPEN" or "SPOOL".
The bottom line consenus was: If you have a spool and have problems---switch to an OPEN-
-If you are open and have problems switch to a SPOOL!!!!
!!!!! I would like to add if you have done all of the above and are still having problems-
-check your "SCRUB RADIUS"---I hope that this solves the problem, as I have tried it both ways!!!!!!!!!!! LOL