E85 Flex Fuel TME!

[lightrules]

I also have a general question- Does anyone run their GT350 on E85 continuously or do you switch back and forth to 93? BTW- Filled up with E85 at local Thornton's and NGauge says alc% is 90? First time thats happened.

i alternate usually. i go 91, sometimes fill up with 1/4 tank with full e85 that gets me about e60, then i'll run it empty and go full e85 (usually around e80), then maybe a few tanks of 91, etc. i mix it up quite a lot. i have not done straight e85 for like 5 or 10 fill ups, though i suppose you could and be fine.

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[526 HRSE]

i alternate usually. i go 91, sometimes fill up with 1/4 tank with full e85 that gets me about e60, then i'll run it empty and go full e85 (usually around e80), then maybe a few tanks of 91, etc. i mix it up quite a lot. i have not done straight e85 for like 5 or 10 fill ups, though i suppose you could and be fine.

Any reason in particular that you haven't ran straight e85?

 

[lightrules]

Any reason in particular that you haven't ran straight e85?

i have. if i run my tank down to say 8 miles remaining, which is pretty low, and i fill up e85 at my particular 76 station, i get about e80 max on my proflex real time app. not all e85 is actually e85. there is some variation. but i usually have "some" 91 in there. if i ran my tank empty totally then went all e85, i imagine i'd get around e82+ or so.

 

[526 HRSE]

i have. if i run my tank down to say 8 miles remaining, which is pretty low, and i fill up e85 at my particular 76 station, i get about e80 max on my proflex real time app. not all e85 is actually e85. there is some variation. but i usually have "some" 91 in there. if i ran my tank empty totally then went all e85, i imagine i'd get around e82+ or so.

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Gotcha. I saw somewhere to run a 93 tune and not an e85. Does that make sense?

 

[lightrules]

Gotcha. I saw somewhere to run a 93 tune and not an e85. Does that make sense?

sorry dont get it...with the proflex you run any unleaded fuel with e85 or any mix in between.

 

[drc3]

I mostly drive in sport mode.

 

[Einstein_nikola]

I have a 2019 GT350...had Brenspeed install Kooks Headers, catted x-pipe, JLT intake and Lund 93, Flex Fuel, and E85 race tune. On E85, throttle response is much more aggressive and car is much quicker than stock or 93. Happy I did it...

The only thing that I don't like is the cold start on FF or E85. It's rough for about 10-15 secs. I've read this is normal/typical...I guess it has something to do with how E85 ignites/burns when the engine is cold. Once the car is warm, starts as normal on E85.

I also have a general question- Does anyone run their GT350 on E85 continuously or do you switch back and forth to 93?

BTW- Filled up with E85 at local Thornton's and NGauge says alc% is 90? First time thats happened.

Yes!! Thortons gas is really legit for E85, my thortons tested exacly 85% ethonal but my Shell tested 95% so its wild !! its completly normal for your Ngauge to read that your okay bro!!

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