Originally Posted by
Davidka
Weight is a band-aid for setup. Remember when guys would put 6oz under their lipo batteries? Dakotah Phend just posted that he only runs 7gm in his 22 MM, a car with a reputation for needing a lot of weight.
If lots of weight must be added then either the setup hasn't been worked out (which can understandably take a while) or the car has adjustment limitations (Link locations, available spring rates, etc) to reach the right setup.
It might be worth noting that more and more drivers are moving to a short servo in their c4.2, which is something like 20 grams less up front.