Quote:
Originally Posted by NewfieMZ3
Very good point Russell, in my region of the country I can only get 87, 89, or 91 Octane. So I regulary use 91. But if I travel to a region where 93/94 is readily available I obviously want the option to use mapping appropriate for that.
I really would like to hear to hear more hard core examples of the differences in the performance of the two chips. Are their horsepower gains with both? Where in the RPM range are they both most effective. What are the pros and cons of each?
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In development I spent over 30 hours on the dyno working on the top end, and 14,000 miles working on the part throttle and idle maps. The dyno chart I have shows a much flatter torque curve over stock, smooter delivery of power, and anywhere from 6-13Lbs of torque increase over stock. This was the 91 octane version, and it wasn't the final version of that. Unfortunately all the other dyno charts I had accumulated went away in a fire last April. But I'll be spending a lot of time at tracks that have dynos working on other projects, I'm sure I can get some more 911 dynos to show actual numbers. The bottom line is the gains are real and measureable. But I don't shoot for the highest peak numbers, I strive to deliver the best overall performance. That's not something you can illustrate on the dyno. But the products speak for themselves, and the community does a great job of providing unbiased opinion and testimony of their experiences.
Regards,
Russell