Originally Posted by GorillaMaxx360

http://www.rc-monster.com/proddetail...d=HPI_PRO_DIFF i am talking about these hb diffs i would like to realistically hit betweenm 40-45 and i will commit to doing that any way i can with out changing electronics so if you could tell me what spur to use and all that stuff to hit 50 that would be good plus i am taping my tires so there should not be much balooning.