When installing a hot motor into a Micro RS4, you will need to do the following:
- Buy a decent front diff
- Buy steel dogones
For info on front diff choices
click here
Regarding front dogbones
click here
Buy your packs from reputable manufcaturers:
United RC
BLiND Batteries
You can't really tag a speed to any motor, but the Elite Modified is a nice little motor with tons of torque and a sound like no other motor!
I would say with a 10-13 (max) tooth pinion you will see a massive difference over the standard motor