Quote:
Originally Posted by BMWDriverX
I'm not going for any records and I have not run anything other than map 1 so far and i run 3 gallons of E85 with 18 gallons of 91oct. Good to know I can run map 2 with that combo
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3 gallons to 18 is 21. Your tank only holds 20 :P
Not sure which was the type O the 3 or the 18 but either way that might still be too low. If you're running 18 and 2 that would put you to 92-93octane. I would probably put 4-6 gallons per tank and make your mix E20-E30 which more like 93-94 octane with the adding cooling from E85. However, I haven't tested any JB4 setting with E85 mixes. I only tested with MS101/91 or MS109 mixes.
Maybe try for an E30 mix and send logs to Terry and see how it looks.
Mixing Chart for E85... He suggest you base your E85 as 100 octane not 105.
http://www.wallaceracing.com/ethanol-mix-calc.php