Do you have E85 around you? I'd try as high of an E mix as your HPFP can handle on the non-ACN map and see how she does.
E85 is a lot cheaper, and I found at least on track days that the performance is the same as 100 octane. 100 octane has a little more power initially, but timing is pulled much more quickly as IATs go up vs E25-30 (because of ethanol's cooling effect), so power levels end up being similar. That probably bodes well for hot AZ temps, as well.
My testing and logging was with BM3 Stg 2 E30 and Racegas maps.
Last edited by ZM2; 09-06-2019 at 08:54 PM..
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