do any of you have used the 30g xray weight that sits between the engine and battery? the thing is that i'm hesitating in using it, because of overweight, or by moving the center weight of the car backwards, don't know, need advises, i will also try to balance the card by adding weight to the pipe side of the car, i will use the mini scales in for wheels. i also got the ti pivot balls i think they are made by atomic rc, supposing that the steel ones and these ti ones, are exactly same size, which ones will you use?

i'm trying to save some wieght by using the ti pivot balls and for then adding the balance weight and the 30g xray weight, but i'm affraid will be too much wieght.