Originally Posted by dirtdog

I have a quick question. I just purchased a 21 4c. I am using houstons break in method (heat cycle method) and have just finish my three on the box heat cycles. I just did my first heat cycle 10 min run on the ground. I was having a hard time keeping the engine at 210. It would hover right around 230. 80 degrees ambient and humid. I tried to richen the low speed and lean the high. And vise versa. I cant keep it running if i try to run it richer. Loads up and dies. At 230 it is plenty rich. Tons of smoke and oil coming out the exhaust. I am just concerned that it is a little to hot. Am i being paranoid?