from the same cooling issues I was when I dyno'd my trash.. NExt time we are going back and taking two leafblowers to cool the IC's. =) You should do the same. With the A/F you are able to run here it begs for a little richer and more timing. 13:1 is a bit on the lean side. Excuse my ignorance, but were you using a JWT computer or was this with some other EM system? Congrats!