I use Kyosho. Seems to keep its consistency from first use to the last run before rebuild. Have used it a while starting in off road. A little on the expensive end of the spectrum.
TRF 418 - Team Powers 17.5, HobbyWing Stock Spec, Xpert servo
Xray T4 2016 - Trinity D4, HobbyWing Stock Spec, Ko Propo servo and radio
KustomRCGraphics.com (Best looking novice on the track)