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Old 01-27-2013, 01:08 PM   #71
enginjoe
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The gunk is a known problem that comes from certain supplies of E85. We don't see that here in AZ. There are various theories like old fuel tanks in gas stations supplying E85 or whatever. I've never seen it tracked down to a known cause.
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Old 01-27-2013, 01:35 PM   #72
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Quote:
Originally Posted by enginjoe View Post
The gunk is a known problem that comes from certain supplies of E85. We don't see that here in AZ. There are various theories like old fuel tanks in gas stations supplying E85 or whatever. I've never seen it tracked down to a known cause.
Maybe it is a climate issue, maybe a dry cold climate and the higher gel point of e85 will direct/indirectly relate to the cause of the issue? I know it is rampant here in colorado with e85 tuned vehicles.

I know the vw gti tsi 2.0T guys are also having issues with e85
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Old 01-27-2013, 05:05 PM   #73
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There was a theory that something dissolved into the E85 was also more likely to come out of solution when subjected to greater pressure difference on injection like in DI cars. The guys having the issue found that running a tank of regular gas every month or so was one way to avoid the problem as well. Kind of a hassle, but it worked for some of them. That would have stopped me from using it if it was that bad.
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Old 01-27-2013, 07:15 PM   #74
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There was a theory that something dissolved into the E85 was also more likely to come out of solution when subjected to greater pressure difference on injection like in DI cars. The guys having the issue found that running a tank of regular gas every month or so was one way to avoid the problem as well. Kind of a hassle, but it worked for some of them. That would have stopped me from using it if it was that bad.
Yeah me too! I ran e85 on my old talon with 1600cc injectors -8 a/n fuel line and 2 walbro 255lph pumps and never had any of the issues above. It was driven every other day and ran very hard! It allowed very high amounts of timing on my 2.4 stroker 4G63 motor and I could run very high (believe it was 35 psi) boost!

Also if e85 is such terrible and unreliable race gas then why motorsports like indy, nascar, wrc, etc run it? It has to be worth it for a daily driver!
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Old 01-30-2013, 05:06 PM   #75
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jesus. I can't believe the arguing in this thread.

I'm guessing that the reason the focus community shrivels their nose to e85 so much is because there aren't that many people on here with applications that would benefit from it.

here are the cliff notes regarding e85 for those that are interested:

pros: •e85 is WAYYY cheaper than running race gas, and CONSIDERABLY more gas stations sell e85 than race gas at the pumps.
•e85 produces cooler egt's
•e85 on boosted cars allows you to help reduce risk for knock

cons: •your mpg goes down
•you need bigger injectors to run it
•you'd have to clean/replace your o2 sensors more often
•people on the focus forums, and only the focus forums claim you'll pop your motor if you run it.

One of my best friends has run over 600hp in his srt on ONLY e85 for the past two and a half years with ZERO problems, and 500+hp previous to that for three years, also on e85. Have another friend with a 600hp evo that also runs on e85. Numerous 450-500hp srt's, numerous 400+hp evos, 600hp integra, 650hp supra, all on e85, etc. You can check out my YouTube (listed in sig) for videos of all of these, and you tell me if they all don't know what they're doing with e85.

oh, and if any of you have heard of a shop called FFtech (full function technology), you might also see with their 8 and 9 second evos, as well as MANY other very fast DSM's that run e85, that they're doing well with too.

bottom line is, that if you're looking for a $3.50/gallon version of race gas for your boosted application, e85 is for you.
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Old 01-30-2013, 06:11 PM   #76
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Quote:
Originally Posted by Everlastingboost View Post

Also if e85 is such terrible and unreliable race gas then why motorsports like indy, nascar, wrc, etc run it? It has to be worth it for a daily driver!
It is a terrible fuel and the quality race teams that run it buy it from vendors like VP Fuels , Sunoco , etc when they have quality control and use a good quality grade high octane fuel mixed in and watch and control the octane and moisture content among other things


E85 is NOT a race fuel , please dont confuse what comes from the pump vs what comes from places like VP fuels

Tom
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Old 01-30-2013, 07:27 PM   #77
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We get it Tom. You want to spend $80+/5gal drum of "race fuel".

meanwhile the rest of us uneducated folk are getting almost 23 gallons of "non race fuel" for the same price.
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Old 01-30-2013, 11:43 PM   #78
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I'm just waiting for a brave ST owner and tuner to step up...
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Old 01-31-2013, 11:32 AM   #79
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We get it Tom. You want to spend $80+/5gal drum of "race fuel".

meanwhile the rest of us uneducated folk are getting almost 23 gallons of "non race fuel" for the same price.
You obviously dont get it and I never said or implied anyone was uneducated lets not turn this into something it isnt

If you are paying $16.00 a gallon for race fuel some one does need to educate you where to buy race fuel from , I buy VP and pay less then $9.00 a gallon for 105-108 and can get 100 at the pump for about $6.00

Even the VPC85 (e85) I can get for less then $10.00 a gallon which I am going to test

Tom
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Old 02-13-2013, 06:28 PM   #80
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Quote:
Originally Posted by enginjoe View Post
I'm just waiting for a brave ST owner and tuner to step up...
Just out of Curiosity on your srt4
What size turbo, how much boost, and how much timing were you running with e85
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