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Old 08-17-2009, 09:04 PM   #1
subaruboost
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Default E85 Conversion on subaru's

I was wondering if its worth it to do a e85 conversion.. if so what do i need to do to do a complete conversion. will there be any problem with the motor in the near future.

Jesse
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Old 08-17-2009, 09:55 PM   #2
RP31
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See this thread:
http://forums.nasioc.com/forums/showthread.php?t=803341

Read it (all of it), then report back. My guess is all of your questions will be answered. It will take you a while to get through all of it.

<-- 60K miles on E70-E85 with a 20G and supporting mods, 70K miles on E30 or greater. 0 problems.

And I would say yes, it is worth it. Fuel economy decreased about 12%, but E85 is typically 15-30% cheaper than 93 if you buy it at a place that doesn't price gouge. I'll probably be filling up tomorrow for about $2.05/gallon, instead of $2.85. Stay away from Gas City. I hate those ********.
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Old 08-18-2009, 08:15 AM   #3
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Good luck and be careful.
I would also monitor my oil by doing wear tests through an independent lab.
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Old 08-18-2009, 09:49 AM   #4
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I run 2-2 1/2 gallons of E85 with the an almost full tank of gas with no problems.
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Old 08-18-2009, 09:53 AM   #5
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Quote:
Originally Posted by RP31 View Post
See this thread:
http://forums.nasioc.com/forums/showthread.php?t=803341

Read it (all of it), then report back. My guess is all of your questions will be answered. It will take you a while to get through all of it.

<-- 60K miles on E70-E85 with a 20G and supporting mods, 70K miles on E30 or greater. 0 problems.

And I would say yes, it is worth it. Fuel economy decreased about 12%, but E85 is typically 15-30% cheaper than 93 if you buy it at a place that doesn't price gouge. I'll probably be filling up tomorrow for about $2.05/gallon, instead of $2.85. Stay away from Gas City. I hate those ********.
will do thanks
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Old 08-18-2009, 02:03 PM   #6
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I was thinking about doing the conversion, but there aren't enough stations around me to make it worth it. I dont want to drive 7-8 miles to ****y Gas to fill up my car, and traveling would be difficult.
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Old 08-18-2009, 02:16 PM   #7
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That part does suck. I usually drive about 20 miles to fill up, but I take 3 5+ gallon tanks with me so I'm good for a little over two weeks. For travel, I just switch back to E10 (regular 93 octane).
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Old 08-18-2009, 02:17 PM   #8
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Quote:
Originally Posted by RP31 View Post
That part does suck. I usually drive about 20 miles to fill up, but I take 3 5+ gallon tanks with me so I'm good for a little over two weeks. For travel, I just switch back to E10 (regular 93 octane).
Do you switch maps or anything when you change fuels?
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Old 08-18-2009, 02:43 PM   #9
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Yes, I have multiple maps for different ethanol blends. I have a UTEC with a map selector switch on top of OpenECU changes.
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Old 08-18-2009, 03:49 PM   #10
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Quote:
Originally Posted by ILEJ20 View Post
I run 2-2 1/2 gallons of E85 with the an almost full tank of gas with no problems.
what? im assuming you're tuned for that?
notice much improvement by doing that?

never really heard of anyone doing that. but i havent payed much attention to 85 besides the few people i know who have dsms and run it.
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Old 08-18-2009, 06:03 PM   #11
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~E30 is about the limit of the stock ECU's learning capabilities. You can run it without a tune. It won't be as great as doing it with a tune, but it's fine as long as you let the ECU learn the new fuel a bit before really getting on it.
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Old 08-18-2009, 06:55 PM   #12
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By the way you might want to do a search on the report laid out for congress by the EPA on E85, looks like the end for the corn gas.

-Dylan @ Ds1
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Old 08-18-2009, 07:07 PM   #13
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Hmmm... I'm not finding anything about it. Cliffs Notes?
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Old 08-18-2009, 09:20 PM   #14
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Originally Posted by DS1 Motorsports View Post
By the way you might want to do a search on the report laid out for congress by the EPA on E85, looks like the end for the corn gas.

-Dylan @ Ds1

The end or not, it isn't going to be a big deal if e85 pumps start to disappear. I just go back to 93. not harm no foul.

OP. yes it is worth it!!!

DK
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Old 08-24-2009, 03:00 PM   #15
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Basically the EPA came out and said E85 pollutes as much if not worse then normal gasoline. Those in the fuel industry knew this for a while now but the fat cat politicians (one being George Bush) who have a bunch of money invested in E85 production didn't want the cat out of the bag.

-Dylan @ DS1
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Old 08-24-2009, 03:35 PM   #16
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It's tough to find anything that really seems conclusive one way or the other. This is obviously a very big issue and many parties like to bias their information to suit their purposes. So of course I cannot find anything on the EPA's website, which would most likely be unbiased. Recent information I find has the EPA stating that yes, current production methods do not meet congressional requirements for greenhouse gas reductions, but they are better than gasoline use. And a third party group has verified their models. And this is for corn - higher yield ethanol production methods are in development.

I'm not too worried about ethanol going away unless the gasoline engine goes away or someone comes up with a better substitute fuel for gasoline engines. Near term, it's definitely not going away.
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Old 08-24-2009, 04:24 PM   #17
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Quote:
Originally Posted by DS1 Motorsports View Post
Basically the EPA came out and said E85 pollutes as much if not worse then normal gasoline. Those in the fuel industry knew this for a while now but the fat cat politicians (one being George Bush) who have a bunch of money invested in E85 production didn't want the cat out of the bag.

-Dylan @ DS1
For Corn maybe. using corn for ethanol was the worst idea. We should be using algae or switchgrass

corn yields about 300gallons per acre.


switchgrass yields about 800gallons per acre
algae yieldss about 5000gallons per acre


corn E85 may be done for, but E85 itself is not.
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Old 08-24-2009, 07:16 PM   #18
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Using corn was/is definitely a bad idea, all it really accomplished was to drive the price of grain up and thus the price of many foods... OH it also has lined the pockets of many farmers and farming groups. Sugarcane has shown to be a viable source in Brazil.. but we don't really have the climate for it on a mass scale here in the US. Switchgrass has alot of potential but I think it will be some time before we see it become a reliable source. The US is still likely 10 years or more from any real viable solution.
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Old 08-24-2009, 07:19 PM   #19
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Corn E85 isn't going anywhere..

To many large oil production company's own or own controlling shares of E85 manufacturing/distributing that it won't go anywhere.

I have money that I will put down on it.

I completely agree that switch grass or algae is a WAY better solution, its not going to be here anytime soon.

Removing E85 from the pump will never happen as to many deep pockets control it now, there will never be a laps in high content ethanol at the pumps.

-Jerod
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Old 08-04-2019, 12:16 PM   #20
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Quote:
Originally Posted by RP31 View Post
r corn - higher yield ethanol production methods are in development.

I'm not too worried about ethanol going away unless the gasoline engine goes away or someone comes up with a better substitute fuel for gasoline engines. Near term, it's definitely not going away.
Digging around an OLD thread looking for e85 info I stumbled across this. LOL, to bad the future may end up abandoning combustion engines. Wish we could go back to the pre-Tesla EV push.
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