Originally Posted by qitstrn

Well i guess my idea of a safe tune an someone elses are two totally different things. I run my car rich at about 11.7 A/F even on C16. My motor also has 150 dyno passes on it that i can count. 100 at Race Related alone. That motor has yet to blow up and the motor has been down the track about 20 passes. My motor also has the cam gears at zero. These numbers on the K series are impressive. How long will these motors last? Do you know how much timing or the a/f they are running to get the #'s they do?