Originally Posted by
truman
I'm new to Sirio on road 21's & find myself with a choice between current and older engines. How does the current S21CL7RSTI compare to the earlier S21 WCR? Is there a performance advantage between engines? As the CL7 STI uses ceramic bearings, would it be beneficial (or feasible) to upgrade the bearings in the WCR? Any suggestions?
Take a gigantic Cannon, fill it with 25% Nitro Fuel and turn it on.
Beleive me, You bring some dead people back to life.
Much much more better performance than the old WCR. ( Was owner of the old WCR and now CL7)
You want low power? High Power?Don't think it just press the throttle.