"The max config size is limited by the size of flash. The 525 and 535 have a 16 MB Flash card. The 7.2 image is 8.2 MB. The ASDM image is 5.5 MB This leaves a little over 2 megs for all configs. This includes system and all context configs.
The ASA has an internal and external compact flash slot, so your config sizes can be much larger."
We have seen cpu spike issues with larger config files (about 3 MB). These were due to huge ACE and not static lines that you are talking about so you should be fine. Good luck.
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...