You're welcome. I have seen people in this thread talking about running a sensorless copperhead setup in 4x4 short course, but I haven't done it so I'll let one of the 4x4 guys answer that.

That would be your least expensive option, but again, sensorless.

Like this:

http://www.shopviperrc.com/ProductDe...ode=6vsvx4R511