and on the weight of car.. yes 6 or 7 oz. is heavier.. getting the car to within a ounce is what I was referring to. my mid is 1 ounce heavier then my rear motor car. and both are dialed. and yes I know there are some good drivers on here.. I have been a factory driver for just over 15 yrs.. I helped develop cars for yokomo, mrc, ofna and associated.. and I respect a lot of guys on here and try and help anyone I can. I just don't want a new guy to feel he has to spend hundreds on titanium and super light stuff to feel like that's the only way to be competitive when learning to drive and tune will help wonders first.