ball diffs
 

hi again well i was curious or more undecided if i should go with ball diff part number is hpi a958 , i have a type ss here are some hop ups i have a 15ss motor non pull start, lightweight flywheel, racing clutch, 73914 chassis, upper deck,f/r shock towers and bumper plate carbon graphite, 17/23 pinion gears, 47/43 spur gears, aluminum threaded shocks,f/r sway bars, i usually run on foams or slicks i want to know if i will notice any kind of difference