Quote:
Originally Posted by gab24m3
This is very interesting. I too want to try the VP concentrate or E85, I’m sure both have pros/cons as mentioned above, as with anything that brings more power.
I only have 91 octane near me. I am tuned with jb4 and would like to, at the bare minimum, go to 93 octane. Anyone know how much VP concentrate or E85 is needed to go from 91 octane to 93?
SocalM6GC, do you know what octane level you’re at with those 4 gallons of E85?
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I had thought I would be right between 93-94oct with 4 gallons of E85 and it ends up at 93.7oct so it's just a little better than the best pump gas you can fill up in the USA aside from any race fuels. You were off on your calculation because the M6 has a 21.1g fuel capacity and you typed in 20.1. Here is how mine came out: