There are plenty of set ups to research here:
http://www.petitrc.com/setup/tamiya/...yaTRF201X.html
Astroturf varies a lot between venues, and so can carpet, but starting with your base astro set up and using indoor set up sheets to confirm required changes won't see you far wrong.
Keep an eye out for Tamiya team drivers at meeting and ask them for advice after they have their cars settled too.
