E-85 NOT Recommended - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

vubaru · 08-30-2012, 10:52 PM

We've been through this already in John's E-85 tune thread and others. There have been no reported issues whatsoever as to any FT86 running E-85 with John's tune. John had Cosworth or another highly-reputable shop pull the fuel filter and fuel lines on one of the E-85 BRZ/FR-S testers after some good mileage on the tune and found no issues.

Sure, no one has run a BRZ for that far beyond 10k miles at this point I'd imagine, so we don't have the access to long-term testing data yet. Empirically speaking, from the testing performed to date, no problems have been reported and there are multiple users on this forum with John's E-85 tune.

Generally modifying your car in any fashion involves certain risks, including the risk of unknown unknowns and possible risk of failure. This is not my first rodeo with respect to modding or E-85 with Subies.

So far, I have had zero issues with my Stage 1 tune. I'm currently waiting for my E-85 tune. As soon as I get that, I'll post with some thoughts and eventually some long-term impressions.

A little skepticism is always warranted, but excessive skepticism is no fun.

DIE1000DEATHS · 08-30-2012, 11:08 PM

@Visconti , I know you said ECUTek was working on somehow making our cars FlexFuel capable. Any word on that???

Furtive · 08-30-2012, 11:27 PM

Quote:

Originally Posted by drifter

If you use gasohol in your SUBARU, be sure that it has an octane rating

no lower than 93 AKI.

●SUBARU acknowledges we are a bunch of morons for selling cars that require at least 93 octane to states that are not allowed to sell it.

Yup, like me.. Highest available is 90 .. poor brz

drifter · 08-30-2012, 11:42 PM

Quote:

Originally Posted by Furtive

Yup, like me.. Highest available is 90 .. poor brz

I"m demanding a free upgrade to the 2014 model based on stupidity

kwood9000 · 08-30-2012, 11:53 PM

Quote:

Originally Posted by drifter

If you use gasohol in your SUBARU, be sure that it has an octane rating

no lower than 93 AKI.

●SUBARU acknowledges we are a bunch of morons for selling cars that require at least 93 octane to states that are not allowed to sell it.

Page 420 states that 91 AKI may be used if 93 AKI is unavailable.

drifter · 08-31-2012, 12:03 AM

Quote:

Originally Posted by kwood9000

Page 420 states that 91 AKI may be used if 93 AKI is unavailable.

..however please acknowledge you may receive strange, unwarrent looks from others who may think you have incects in your car do to the use of 91.

pinoyplaya · 08-31-2012, 12:13 AM

Do you gain any performance just tuning the car and setting it up for E85 without actually turbo charging it?

Superhatch · 08-31-2012, 12:14 AM

I hope everything Subaru tells us not to do gets its own thread.

Opposed · 08-31-2012, 08:30 AM

Quote:

Originally Posted by pinoyplaya

Do you gain any performance just tuning the car and setting it up for E85 without actually turbo charging it?

Yes sir. Visconti's E85 tune is netting about 35whp on a stock BRZ/FRS, while nearly eliminating the torque dip. I have the 93 tune so far, and that itself is a bit more powerful. I can't wait to have the E85 tune! I can give you a ride if you want to feel the POWA!

Visconti · 09-01-2012, 06:43 AM

Quote:

Originally Posted by Superhatch

I hope everything Subaru tells us not to do gets its own thread.

Lol

Quote:

Originally Posted by pinoyplaya

Do you gain any performance just tuning the car and setting it up for E85 without actually turbo charging it?

Yes very big gains with a turbo

Night and day difference !

white devil · 09-01-2012, 09:15 AM

Quote:

Originally Posted by pinoyplaya

Do you gain any performance just tuning the car and setting it up for E85 without actually turbo charging it?

yup

White64Goat · 09-01-2012, 12:29 PM

John (Visconti) I have resent the PM to you just now.

Visconti · 09-01-2012, 02:35 PM

Quote:

Originally Posted by White64Goat

John (Visconti) I have resent the PM to you just now.

I responded

DSTL · 09-01-2012, 02:54 PM

Haven't had the E85 tune running long but can tell you the engine sounds / feels infinitely happier. Feels like a lower compression engine while keeping the efficiency. Serious power gains as well. Haven't data logged yet, but can tell by sound that knock correction is way down, especially when hitting the throttle in the low-mid rpm range. It's really hard to explain just how much better this engine is on E85 without experiencing it. I was uncomfortable at times with how closely it rode the edge of knocking, had that fat man in a little jacket feeling. Not on E85.

08-31-2012, 12:13 AM	#21
pinoyplaya Senior Member Join Date: Aug 2012 Drives: WRB MT-BRZ LMTD Location: Maple Grove, MN (Minneapolis) Posts: 355 Thanks: 4 Thanked 64 Times in 34 Posts Mentioned: 0 Post(s)	Do you gain any performance just tuning the car and setting it up for E85 without actually turbo charging it? __________________ BYE: WRB MT-BRZ LMTD Drove the car off the lot at 8/6/12 @ 8:06 PM Traded for Black 2013 Camaro 2SS RS

08-31-2012, 12:14 AM	#22
Superhatch AIM4APX Join Date: Jun 2012 Drives: 2013 WRB BRZ Limited Location: Milwaukee Posts: 1,206 Thanks: 642 Thanked 749 Times in 324 Posts Mentioned: 8 Post(s)	I hope everything Subaru tells us not to do gets its own thread. __________________ "It's very difficult to present technology as an overtly positive sales device to people who want an emotional car" -Chris Harris

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08-30-2012, 10:52 PM	#15
vubaru Now with Boost! Join Date: Aug 2012 Drives: 2013 SWP BRZ Ltd. Location: Bay Area, CA Posts: 415 Thanks: 281 Thanked 424 Times in 257 Posts Mentioned: 24 Post(s)	We've been through this already in John's E-85 tune thread and others. There have been no reported issues whatsoever as to any FT86 running E-85 with John's tune. John had Cosworth or another highly-reputable shop pull the fuel filter and fuel lines on one of the E-85 BRZ/FR-S testers after some good mileage on the tune and found no issues. Sure, no one has run a BRZ for that far beyond 10k miles at this point I'd imagine, so we don't have the access to long-term testing data yet. Empirically speaking, from the testing performed to date, no problems have been reported and there are multiple users on this forum with John's E-85 tune. Generally modifying your car in any fashion involves certain risks, including the risk of unknown unknowns and possible risk of failure. This is not my first rodeo with respect to modding or E-85 with Subies. So far, I have had zero issues with my Stage 1 tune. I'm currently waiting for my E-85 tune. As soon as I get that, I'll post with some thoughts and eventually some long-term impressions. A little skepticism is always warranted, but excessive skepticism is no fun.

08-30-2012, 11:08 PM	#16
DIE1000DEATHS TechNINJA Join Date: Jun 2012 Drives: Whiteout MT, 87 Mustang, 09 RUCKUS Location: Detroit, Murder Mitten Posts: 130 Thanks: 73 Thanked 46 Times in 27 Posts Mentioned: 1 Post(s)	@Visconti , I know you said ECUTek was working on somehow making our cars FlexFuel capable. Any word on that???

09-01-2012, 12:29 PM	#26
White64Goat Senior Member Join Date: Jun 2012 Drives: 13 BRZ CBS LTD MT, 02 WRX Location: Fred. Co. Md. Posts: 2,351 Thanks: 65 Thanked 1,113 Times in 628 Posts Mentioned: 19 Post(s)	John (Visconti) I have resent the PM to you just now.

09-01-2012, 02:54 PM	#28
DSTL Senior Member Join Date: Aug 2012 Drives: 2013 BRZ Limited 6MT Location: USA Posts: 201 Thanks: 11 Thanked 52 Times in 39 Posts Mentioned: 0 Post(s)	Haven't had the E85 tune running long but can tell you the engine sounds / feels infinitely happier. Feels like a lower compression engine while keeping the efficiency. Serious power gains as well. Haven't data logged yet, but can tell by sound that knock correction is way down, especially when hitting the throttle in the low-mid rpm range. It's really hard to explain just how much better this engine is on E85 without experiencing it. I was uncomfortable at times with how closely it rode the edge of knocking, had that fat man in a little jacket feeling. Not on E85.

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