Do I have to flush out my Gas tank after every e85 use?

aren93 · 10-23-2014, 11:29 PM

Guys do I need to flush/clean out my gas tank after every time I use e85? If so do I just fill my tank up with 91 to flush it out? Can't I do it like every few months instead.

FriedPiston · 10-24-2014, 12:26 AM

What are you trying to achieve exactly? If you mix E85 with ACN 91 (E50 to E60 mix), then the 91 octane fuel will serve as a detergent for the corrosives in ethanol.

M.a.r.k.u.s · 10-24-2014, 11:00 AM

Quote:

Originally Posted by aren93

Guys do I need to flush/clean out my gas tank after every time I use e85? If so do I just fill my tank up with 91 to flush it out? Can't I do it like every few months instead.

no you don't have to do anything. I'd run a max of ~5.5 - 6 gallons of e85 to a full tank though.

10-23-2014, 11:29 PM	#1
aren93 First Lieutenant 34 Rep 394 Posts Drives: 2012 335i M Sport Join Date: Sep 2014 Location: Los Angeles iTrader: (2)	Do I have to flush out my Gas tank after every e85 use? Guys do I need to flush/clean out my gas tank after every time I use e85? If so do I just fill my tank up with 91 to flush it out? Can't I do it like every few months instead. __________________ MHD- VRSF Catless Downpipe - VRSF Charge Pipe - VRSF 7" FMIC - aFe Intake - Alpina Flash - Pure Stage 2 - Pure Inlet - Fuel it! PI - Fuel it! Stage 2 LPFP - N20 3.5bar Tmap sensor - N20 spark plugs -
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10-24-2014, 12:26 AM	#2
FriedPiston Colonel 1973 Rep 2,711 Posts Drives: Scraper Join Date: Oct 2013 Location: East Oakland, CA iTrader: (26)	What are you trying to achieve exactly? If you mix E85 with ACN 91 (E50 to E60 mix), then the 91 octane fuel will serve as a detergent for the corrosives in ethanol.
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