Originally posted by dakrat
does the receiver pack help when running stock? or is just adding weights to the car? i dont see anybody running receiver packs on stock motor.
You don't need a reciever pack for stock class. I don't think the extra weight hurts too much but you can save over 20 grams by not using it. Some say you need a rec pack if you run a digital servo, but my team mate runs a KO 949 with no rec pack and it works fine.