Quote:
Originally Posted by sperry
But, I'm a tuning n00b... I'm just teaching myself this crap. Mike Warfield, who tuned the car, has tuned race cars that have run at Miller Motorsports Park without issues, so I can't imagine the culprit is the tuning as much as it's the driver pushing the car too hard. Besides, Mike's seen what I do to cars, I get the feeling he's not pushing my car all that hard on the tune 'cause he knows I (unintentionally!  ) beat on it. |
I've seen your timing map, and you run less timing with 100octane than I do with 91 octane. I would call that conservative, and I doubt the tune killed your engine.
I am curious why a speed density system, which basically gets it's main information from the MAP sensor, would need a retune at elevation. I don't doubt it, I just would like to learn why. The only thing I can think of is that the volumetric efficiency changes in the thinner air.