E85 with a Stillen supercharger?

dmhenderson

Not if you're supercharged and you want dual maps for both E85 and pump gas it's not. My fuel pressure spiked to 71 psi on 93oct when the bigger fuel pump and injectors went in. Dremeling out the swirl her only dropped it to 68psi.

Edit: Phunk is probably right if you are ONLY going to run E85 but E85 stations are not all that common and you need to have a backup plan that doesn't involve a flatbed unless you get stranded (or you're building a dedicated track car)



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JWillis72

Are you saying I won't be able to have a pump gas tune and E85 at the same time?


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phunk

The answer to that is in the question: Has anyone tuned a 370z with gasoline/93 and 1000cc injectors?

I tried and wasnt able to get it to run clean... but it was also my very first time even opening up the UpRev software. Thats why I originally made the switch to E85, as a bandaid to water down my injectors since I wasnt able to get them to run clean. But I got hooked on it and never looked back.

I wouldnt be even remotely surprised if more experienced UpRev tuners have done it without a problem. Heck, I might even be able to if I tried again now.

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theDreamer

I believe DM is running a 93 tune and finishing up his e85 tune so he can run either if ever required.
Jwillis, you can run multiple tunes, but if going to e85 I would just go all the way to make it easier. Though need to evaluate your e85 stations and plans with the car.

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dmhenderson

Yep. I'm driving around like that right now
If you need help getting the tune straightened out, Frank Hill (Hill's Garage) wrote my maps from scratch. He's a whiz with Uprev.

You will need two separate tune maps for E85 and 93oct. Your car will be extremely unhappy with you if you try to run the wrong gas with the wrong tune. How unhappy? I don't know but I certainly don't intend to find out. Wrong timing = really bad things happen. Uprev holds 5 maps so once you get it set up right you can just flip back and forth provided you completely drain the tank before you flip.


FlexFinder is the one I tested out. It was accurate for the 3 stations I visited.
I also have one just called Flex-Fuel that I haven't really played with yet.

I wish Gasbuddy would add E85 but oh well.

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JWillis72

I have three now, 93, 93 with meth and one that only goes 60mph or 4000 rpm( I let my son take the car to prom).

dmhenderson

mmm yes meth injection. I have been toying with the idea of a meth injection kit for a while. I already have all of the necessary supporting mods I think.

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Chuck33079

Just to add to the 93 map? I thought meth+93 was lower octane than E85?

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