[squeeforever]

do you mean "...as smooth on power delievery as the brushed?". if so, then yes, well at least for the most part. a sensorless system will cog slightly but a sensored system will not cog as much. although, a sensored system wont cog bad. anywho, i would go for teh 4.5r. remember you cant have to much power. not to mention, you can always turn down the epa on your radio or keep your finger out of it...