hi need advise

[jamie 6.5t]

when racing indoors will i be ok to run my car for the first couple of weeks on my old tyres and with my old shell lol my shell has alot of damage to it but is still functioning and my tyres are quite worn but have abit of life left in them just dont want to go fork out for a new shell and wheels when im only just getting used to touring car racing i dont even know how im going to perform with my new controler cos i havent been out properly with it yet and ive gone from wheel to sticks so we will see any comments are all appreaciated