Thanks Jason. I think that is good we are discussing these because if someone did as the instruction he/she might be breaking-in the engine at 100F like I did. Not good.

Since that experience, I have broke in a couple of engines following Josh's method but with some changes. Instead of running it very rich, I just run it at perhaps a turn or two rich, and keep the tempurature at above 180F. Instead of running it WOT the whole time, I will do full throttle for a second or so and idle for 2-3 seconds. I figure this way I am breaking-in at operating temperature and am not working the con rod too much. It takes quite a bit longer but both of the engines I broke-in have been very fast and reliable.