Rather than a long post if you check out posts on this site you will see both are used with excellent results bottom line they all run well
just use any oily mix fuel (davis0ily with plain bearing engines (example OS LAs) and his ABC fuel with BB engines ,all last a long time
no corrision problems great fuel economy high torque and quieter I have both from paw 03s thru ST90s ASP 80s TS 90s MVVS 40 and 61 irvines etc etc too may to list