Originally Posted by aloksatoor

Yep should be plenty with a 7.5. Used to run a tekin 7.5 long back. Springs if you badly need are dark blue rears. The stock fronts are fine, in fact they are a bit harder for my tastes so I went light green in front. Try this chart out

https://docs.google.com/viewer?url=h...BoreSpring.pdf

If you need to in a pinch, the losi springs work well with the rangos. I have a bunch bought from my lhs. Used front/rear oranges now from losi. The weights are in the above charts. I always carry a printout to the track. Try Raul's setup for RM4 with losi springs if you guys want.

http://www.petitrc.com/setup/durango...ngoDEX210.html