Originally Posted by
Grinder
The c11 is the better of the rb's you listed. It has a better piston material, and more rigid block than the older models. The rb is different than the 35+21. It has more crank timing, lighter crank, different block. The Rb has more top end than the 35+21. The 35+21, and Rb parts are not interchangeable without modification.
so would you say the c9-c11 has more top end than a 35 plus 21 tuned? or just over the stock versions?....lastlly do nova pipes work w/rb motors, 2015 etc etc..thanks
also the c11 has a different p/s/r set than this?
http://www.amainhobbies.com/product_...Connecting-Rod