I've run square OEM 18" rears on the track...I think that's the way to go.
I bought Thundermoose's OEM 18s, combined them with my 18s and then sold off the 4 front wheels to someone that wanted a set of snows. Came out about even minus $150 for shipping.
Originally Posted by larryn
FWIW, I thought it was exceedingly obvious what you meant.