mad rat moter mount, and help with brushless set up

[rc_dan]

built up my mad rat kit and the screws in the motor mount strip really really easly, any one else had this ? do thay replcae them, is there fault ?

also.. just ballraced it, any any one unsing a brushless set up in theres if so what motr you using, will a 6000kv plus 60amp esc be to much on 2sell lipo ?

will the stock pinion be a good starting point ?

regards dan