Originally Posted by
STLNLST
I would play around with it and see what you personally like. I have tried with and without and really can't say that it's changed the way the car felt running the exact same set up. However....the next time I decide to run something in the cap I'm using o-rings instead of the foam.
Thanks! Clint. I was thinking if it will less aggressive w/o the foam, easy for the tires ( less overheat )? Especially at SpeedWorld? And hopefully if you know what's the best inserts for the track? I heard a rumor about RP insert?