Break in gone bad... 360

Oh so true. If it is getting too hot, shut it down and figure out why. In fact I deliberately break my flat tappet engines in now in three ten minute sessions. Fire it up, run it for ten minutes, shut it down and cool it off and then go for another ten minutes, until I've got 30 minutes of running time.

I even find 10 mins too hot especially in the summer months. I like to do 4-5 5 min "break in cycles" on the dyno. It truly is an awesome feature on the SF-902. On a roller cam I do maybe two cycles and if everything looks and sounds normal, a quick peak under the valve covers and let 'er eat. J.Rob