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E85 will it gum up injectors?

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Old Jan 21, 2015 | 06:07 PM
  #21  
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In wouldn't use e50 from the pump anyway. I want the good quality premium making up the balance of the gasoline

I just mix 3 gallons of e85 to every 2 gallons of premium to give you the 50% e

Mixing half premium and half e85 gets you in the 40% blend area. I plan to try this, this year

All I know is it knocks the bsfc down quite a ways and let's your injectors go much farther than they would on e85

Here is the Delhi study gmctrk is taking about. And from what I have seen... I believe it I be the truth

http://www.nav200.delphi.com/pdf/tec...10-01-0619.pdf
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Old Jan 21, 2015 | 08:29 PM
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Originally Posted by rotary1307cc
In wouldn't use e50 from the pump anyway. I want the good quality premium making up the balance of the gasoline

I just mix 3 gallons of e85 to every 2 gallons of premium to give you the 50% e

Mixing half premium and half e85 gets you in the 40% blend area. I plan to try this, this year

All I know is it knocks the bsfc down quite a ways and let's your injectors go much farther than they would on e85

Here is the Delhi study gmctrk is taking about. And from what I have seen... I believe it I be the truth

http://www.nav200.delphi.com/pdf/tec...10-01-0619.pdf
What if premium already contains 10-15% ethanol? Then I'd imagine 2 gals of 93 and 2 gals of e85 would make about the the 50% right?
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Old Jan 21, 2015 | 08:58 PM
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Yeah sorry in nd our premium is pure gas
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Old Jan 21, 2015 | 09:08 PM
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4 yrs here on e85 on my lt1, checked my filters every year and they look as if i just bought them,.

i wonder why some of you guys get the black **** in your system, not the first time ive heard it. maybe regional issues? ??
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Old Feb 9, 2015 | 03:36 PM
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Sorry to bump an old thread but where did you find FIC 1000's for $450? I havent seen any 1000's for 8 of them at that price.
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Old Feb 10, 2015 | 05:12 PM
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So it seems running 50% E85 and 50% 93 octane unleaded,(that has 15% ethanol in it already) would not only be a safe blend, but the detergents in the premium help prevent this black goo you are talking about plus it still leaves enough of the anti knock characteristics intact. Sounds like a winner!

I wonder if it is certain brand gas stations that people are having issues with? (ie Sunoco, Mobil etc....) Maybe some people can post up the brand fuel they are getting and we can make a "good fuel vs. bad fuel" list?
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Old Feb 10, 2015 | 06:09 PM
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Originally Posted by 2muchboostNY
Add to that the fact that E85 is a dirtier fuel than octane, hard to believe I know

I'm not sure where you got this information but that is not true at all.
Ethanol is about as clean as a fuel as you can get. Hell people drink the stuff all the time
I've ran 100% Methanol and 100% Ethanol and Methanol is more corrosive than Ethanol. I've also never had a problem with goo of any kind in any part of the fuel system. You just can't leave it in the fuel system if the car isn't going to driven for days at a time. We always ran gasoline through the system until it made it's way all the way through. You could hear the idle change when it was all flushed out.
Anything aluminum that comes in contact with the fuel needs to be anodized and run alcohol resistant fuel lines. Yes, it does mean more work to run it but over the years materials have gotten much better so running it is getting easier all the time. If it were such a problem you wouldn't see so many major car manufacturers producing cars to run it and still offer a warranty.
I think a lot of the problems are due to people running it with parts that just aren't compatible with high alcohol content fuels.
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Old Feb 11, 2015 | 10:37 AM
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Ethanol is clean but as far as E-blends being dirtier...my buddy was the consultant helping out with much of the research for the Renewable Fuel Association. Based on his feedback E85, at least 4-5 years ago...havent looked into it any further, was allowed to have more particulate matter in the fuel than gasoline. I couldnt tell you why or what the stipulations were but that was the feedback and the govt. had approved it as such. Again, things might have changed since then. Sorry if that statement caused any confusion with my last post but I was referring to E-blends not Ethanol or Methanol....those are clean fuels in raw form.

Yes you could anodize the aluminum used to make it compatible with E-blends but unless you buy it as such most people will not go the extra step to do so especially if it was an OEM part installed from the dealer say 10 years ago. I am not sure if the polymer/materials have changed much but noted some issues 4-5 years ago with people using generic off the shelf SS lines. As of recently I have not heard of many issues but to play it safe I had my previous setup with PTFE coated lines to make sure I would have no issues. It was probably overkill and surely much more expensive then generic SS lines but I wasnt taking a chance on that build. This JY build I may be willing to try the off the shelf generic SS and hope for the best.

Last edited by 2muchboostNY; Feb 11, 2015 at 01:59 PM.
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Old Feb 13, 2015 | 12:07 AM
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Originally Posted by 2muchboostNY
Ethanol is clean but as far as E-blends being dirtier... was allowed to have more particulate matter in the fuel than gasoline.
I'm not sure how that could be, The way Ethanol is manufactured it hardly even needs filtered. The distillation process pretty much eliminates the need for any filtering. The only particulates after the distillation process would have to come from the equipment it comes in contact with after the fact. Every plant uses stainless steel piping/pumps/tanks.
The gasoline added added is the same gasoline sold at the pumps so I'm not sure where the particulates would come from.
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Old Feb 13, 2015 | 11:52 AM
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Just my 2 cents but I have a 04 SSR that weights 5200lbs. with me in it, I have thought about running E85 but have been running pump gas and meth spray for about 10 years without a problem, It has to be making a lot of hp as it run in the 10's and you have to come off the line easy with 390 M&H drag radials, Drives great on the street and mileage isn't that bad 18-21 on the highway, I am still thinking but most say what more could you want
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