Sirio CL7BSTi vs. RB C6 Vs. OS Speed
Can someone that has run all 3 of these engines compare them please?
Sirio CL7B STI
RB C6 BBT7
OS Speed
I've been running an RB C6BB T7 on a Mugen truggy, but lately have been curious to try a new .21.
Power, runtime, torque, power delivery, etc.
Thanks for the feedback.