Originally Posted by
Serpent-Dan
The ceramic bearings are lighter. Yes they have less balls in them. Yes the price is a huge difference oppose to steel. One reason people change to steel from ceramic is the care factor. Ceramic bearings do not like sitting in nitro so you have to keep the engine clean inside so they need more care.
Besides the price I am seeing is there any noticable performance difference between engines with both ceramic bearings as opposed to just the rear ceramic like in the case of the PT and PTS ?