I dont think its a waste of money at all as they are more balanced now. As you said better safe then sorry. That was the same with my RC's but I had to know what they were flowing like.
JustAnotherVictim said:NP Jag.
The RS*R Race Springs.
Should be these.
http://www.rs-r.com/store/pc/viewCategories.asp?idCategory=23