One can also add some spacers between the motor plate and the mount. That will put the motor closer to the spur, and std pinions can be used them.
I agree. I did it like this and yes, get rid of the elektri-crap and use pinions instead .
Castle Neu 1520 on 6S LiPo Powered Gmaxx (Nitro Killer)
Predator with OS .21TM
Supermaxx with Mach .26
Revo with OS .18TZ
Kyosho ST-RR Conversion
Ofna CR with Tekin ESC/Motor (2)