Running E85 without tune and hardware - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Flasher · 01-15-2015, 04:57 PM

Thank you all for your answers. The reason why I'm asking is a discussion we are having in another forum, in which a few ppl suggest, that it's possible to safely run E85 on a completely stock FT86 without tune.

All I've read and learned about E85 is, that it is possible to run it on a stock tune, but it is not recommended because the ECU doesn't account for the smaller fuel value of E85. The engine would run to lean.

By the way: what about lubrication of the stock fuel pump? As far as I know E85 has worse lubrication capabilities than pump gas - doesn't the stock fuel pump wear out faster with E85, besides having to pump more fuel?

Caspeed · 01-17-2015, 12:02 PM

Quote:

Originally Posted by Flasher

As a matter of fact, my tuner offers flex-fuel kits with a specific tune.

But I actually just want to know, if it's safe and beneficial to run E85 on a stock twin.

Your car is far from stock my friend. So your question is not applicable.

Flasher · 01-17-2015, 01:55 PM

Yes I know - but I'm not talking about my car.

01-15-2015, 04:57 PM	#15
Flasher Smartass Join Date: Jan 2013 Drives: Toyota GT86 & Impreza STi Location: Germany Posts: 105 Thanks: 60 Thanked 17 Times in 10 Posts Mentioned: 1 Post(s)	Thank you all for your answers. The reason why I'm asking is a discussion we are having in another forum, in which a few ppl suggest, that it's possible to safely run E85 on a completely stock FT86 without tune. All I've read and learned about E85 is, that it is possible to run it on a stock tune, but it is not recommended because the ECU doesn't account for the smaller fuel value of E85. The engine would run to lean. By the way: what about lubrication of the stock fuel pump? As far as I know E85 has worse lubrication capabilities than pump gas - doesn't the stock fuel pump wear out faster with E85, besides having to pump more fuel? __________________ Toyota GT86, Leather, JBL-Sound, Aero-Kit, inferno orange MODS \|O.Z Leggera 18 x 8,5\|Front:Tarox B32\|Rear:OEM+EBC GreenStuff\|Braided Lines\|Milltek CAT-Back & Overpipe\|Motiv Concepts catted Frontpipe\| AVO Turbo\|AVO breather tank\|Mishimoto Oilcooler\|Exedy Stage 1 Clutch\|BeatSonic Sharkfin\|TRD Ducktail\|TRD Aero cover\|Valenti blinker

01-17-2015, 01:55 PM	#17
Flasher Smartass Join Date: Jan 2013 Drives: Toyota GT86 & Impreza STi Location: Germany Posts: 105 Thanks: 60 Thanked 17 Times in 10 Posts Mentioned: 1 Post(s)	Yes I know - but I'm not talking about my car. __________________ Toyota GT86, Leather, JBL-Sound, Aero-Kit, inferno orange MODS \|O.Z Leggera 18 x 8,5\|Front:Tarox B32\|Rear:OEM+EBC GreenStuff\|Braided Lines\|Milltek CAT-Back & Overpipe\|Motiv Concepts catted Frontpipe\| AVO Turbo\|AVO breather tank\|Mishimoto Oilcooler\|Exedy Stage 1 Clutch\|BeatSonic Sharkfin\|TRD Ducktail\|TRD Aero cover\|Valenti blinker

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