87 Diablo Tune in 6.2

[reardiff]

TJ74, great explanation and detail.  I've always ran and will continue to use 93 (E10).  

 

So I did load the tuner and sure enough it has options for 87 economy and 87 performance tunes, which makes zero sense to me why this is even an option for the 6.2. I'll switch between the pre-loaded tunes and see if there's any noticeable difference  and stick with 93 regardless.

 

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