It personally makes sense to me being a carb guy. Yes, I'm old ;)

I have proven that my engine likes the spark advance to by high.

Quote Originally Posted by Fast355 View Post
I always used 6-14* on my setups, especially with a CAM. Makes it easier to start and also brings the fuel delivery in earlier to match the longer duration cams. It also makes the engine run better if the EST should ever go into limp home mode, disabling the ECM controlled advance.