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Results from Ethanol-Free 94 Octane mixed with E85 for E10 Mixture

938 Views 8 Replies 5 Participants Last post by  Vet Rider
Hey guys,

I can get 94 with Zero Ethanol across my entire province. I can also buy E85 in barrels for my garage. I'm in the process of tuning and pulleying my Hellcat (for pump) and don't want to do an E85 build as its rather inconvienent in Canada.

What would the benefits/risks and results be from mixing E0 94 Chevron w/ E85. I was thinking of doing 9 Gallons 94 and 1 Gallon E85 for a mix of around E08 . Local guys are doing this on their tuned Audis but I wasn't sure how our platform would react to it?

Would it be better/less risky than just running straight 94? Or is it more risky as it will lean the car out?

All opinions welcome.

1 - 3 of 9 Posts
Yes, why reduce the octane of 94? Unless you modified something, it will not lean out. Modern engines are so safe nowadays. You can even bounce them off the Rev limiter w/o fear of damage.
e85 has a higher octane rating than 94 .
Why would you do this and not just get pump 93 that already has 10-15% ethanol in it. Sounds like a waste of money to be honest
94 + 10 percent E85 would be higher octane than 93….
1 - 3 of 9 Posts
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