One thing to keep in mind when comparing brushed to brushless....we compare the end result RPM, but not the torque. The 6.5 may be comparable to a 10~12 turn, but if you take the massive torque the brushless puts out, it is truly more comparable to a 8~9 turn....look at how many people gear the brushless motors very tall compared to a "comparable" brushed motor and you will see my logic.
--Joey -- AtomikRC/Venom Batteries
Old School Racer, Vintage RC Car nut
AE: RC10 (X4),B2,B3,B4 worlds,B5,B5M,RC10T,T2,T3,T4,T5M,B44.3,SC10
BSR BZ-444 pro,TRX3,MK1 Kyosho Ultima