Like said earlier in the thread, you are limited by your battery & ESC... any of these motors can push out some serious power... even the cheap motors.. I have my 2280-5 HA, and I don't think any Neu motor of the same weight could touch it...
I know by experience you really have to push some serious amps into the Hi-Amp motors to get a good efficiency.... less than 60Amps in that 2250-6 HA would cause heat issues...
Hey Ryu, that 2250 I got from you is powering my 1/5th scale... :) the 1527 powered the 1/5th scale as well. I found that the 1527 1.5D had noticeably more power at the start when compared the the 2250-6 HA, but soon after it started moving at maybe 20+ KPH the lehner Hi-Amp motor had more power, even being a few grams lighter... But that's just what I notice...
Lehner, Hacker, Neu, Plettenberg... they're all great prices.. but for the high quality motors(best bang for the buck), I would say get a neu motor.... I would keep buying neu motors just because of the great selling price..... but I would never hesitate to buy another Lehner motor either... Man, you know what..
THEY ARE ALL GREAT MOTORS!!!
I like them all..