im with him, i know some say heat cycle.... but i heat mine up..... idle first tank, 2nd tank on the ground to keep heat in it, 3rd tank, start leaning still only short short bursts, 3rd, 1/2 throttle an a little more leaning, 5th start working on final tune....

always preheat your motor for at least the 1.5 gallon mark, you can get lazy after that, most im portant thing is to get that motor up to temp fast.
at the track i get mine started blip it a few times and feel the head, if its warm ill cruise around the track for a few laps, after like 2 i start hot lapping it.

i have broken in 2 motors this way and both are still alive at 5 gallons. the sportwerks will still push the sleeve up out of the case with the head off.... 4 gallons
and still has a little pinch!

im gonna breakin my rb sunday like this as well.