Quote:
Originally Posted by 2sporty
I was not mixing the numbers because I was using the 550hp figure from my own Stage 1 ACN91 S55 dyno.
Obviously, you're correct about the part where you compare the two on the same non-ACN 91 fuel.
My question about the low grade fuel still remains unanswered though -- why is the gap so high between ACN91 and 91 for the S58, but not the S55?
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I have zero experience with bm3 but that said I think the point is your logic has holes in it as your comparing published figures to your personal figures. Different gas, different dyno, different conditions.
Take an s58 use 91 ACN file fill with gas from the same gas station you use then compare results on the same dyno. That’s literally the only way even then the tune is brand new. Right now we are comparing apples to oranges. Time will tell if your theory is correct of course but right now there’s not enough information to know for sure.
My 2cents