Originally Posted by
Chris__RC
The RB S3 and Novarossi N21B are almost the same engines. Nova makes Rb engines so they tune the same. But for $230, you can get the RB S5. It has alot more power than the S3 ive been told, and is a good all around engine. This is the engien I am going to get next.
Mr. Twister? How would for that S5 modded?
Do you have a S5 you want done, or refering to the one i have?