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Pump E85 - Current Ethanol Content

tk80

By tk80,
in Engines & Forced Induction

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R31Nismoid Grand Master

R31Nismoid

Posted
Posted

well piggaz has seen 77 up to about 87 at united servo at rozelle. I'm not a tuner, but suspect that if your car is tuned on e85 and your buying e77 fuel (or potentially worse) then you could run into some problems.

agreed...caltex consistent. More of an issue for united.

That's not how most tuners would tune, as that's not safe.

Safe tune, variation = no problem

STATUS Grand Master

STATUS

Posted
Posted

We test daily UNITED is the only pump fuel we recommend (caltex is average). So much so that we dont use drum.

A tuner should tune any pump e85 car to be safe on any thing down to e70 (just in case you need to fill with caltex etc) as its a very minor change in tune.... and minimal loss in hp... very minimal

Manuel Kasko Grand Master

Manuel Kasko

Posted
Posted

I love reading these threads and learning all this shit :) I wish I had the money for a flex tune and an ECU that could handle it.

At one stage I was even thinking just going ethanol but there is only like 2 servos that stock it here and none down the coast where I do a lot of travel

scotty nm35 Grand Master

scotty nm35

Posted
Posted

The GM sensor is available for under $100 delivered now, and with a Zietronics box should work on nearly any ecu, as long as you have a spare 0-5v input... Must speak to you about that soon Trent, I have an Emanage Ultimate to flex tune. ;)

Flex tuning will definitely be getting more common in the future. I need to fit a sensor to my Fcon but I am scared of the wiring nightmare in the dash. :unsure:

34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

I love reading these threads and learning all this shit :) I wish I had the money for a flex tune and an ECU that could handle it.

At one stage I was even thinking just going ethanol but there is only like 2 servos that stock it here and none down the coast where I do a lot of travel

Lol I am full flex so I can use pump fuel but I love ethanol so much I carry jerries of it haha

34GeeTeeTee Grand Master

34GeeTeeTee

Posted
Posted

i think what people are forgetting is that if your car is tuned on e85 and your next batch of fuel you run is 70% your car will run slightly richer then normal, there is no "running lean" or "cracking pistons" situation.

I'm the opposite, was tuned on 70 and now E85 is available near home, compensation is in the ECU but going to check it properly on dyno to be safe

R31Nismoid Grand Master

R31Nismoid

Posted
Posted

Yeah but Simon's point more revolves around the fact of someone not having a sensor and so on - which comes back to a lot of other posts in this thread that are quite clear

If the tune is done safely for a street car, the variation from E70 ro E85 has no bearing.

Whilst this thread is a good idea - as long as the tune is OK - It's a non-issue

vspecIInur Experienced

vspecIInur

Posted
Posted

Nathan what if you are going on a car trip like 3 hours away for a weekend?

Jerry cans?

Yep got 3 large red plastic ones, whether it's a trip to Winton, or going away. One day I will change from the power fc and get a ecu that can do eflex with a ethanol sensor. It's not a problem at the moment

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