Quote:
Originally Posted by GUMP
These three sentences speak volumes.
I can have a new combination running well in Alpha-N within 3-4 dyno pulls. I have also found that it is pretty easy to dial a car from my log book once I have a couple of runs on it. I also don't have to worry about sudden changes in performance due to too much fuel correction.
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You completely mis-read my statements, Speed Density does not make "sudden changes", unless the air suddenly changes, in which case you need corresponding changes in the fueling. This is a perfect example of the mis-information I hear over and over. What I have found when I discuss this with different racers and tuners is that if someone doesn't fully understand how speed density works, they don't trust it to calculate the changes in air density. The interesting thing is that it is using the exact same data that your weather station uses to predict performance.