Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

Meth vs e85

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Old Jan 9, 2013 | 09:02 PM
  #16  
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How easily can you switch between e85 and 91(ca)...
I'm guessing not very lol
Old Jan 9, 2013 | 09:52 PM
  #17  
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When you go back to 91 you just need to drive easy for a tank or two to be safe, and vice versa for going back to 91. That's why I'm getting a zietronics.
Old Jan 9, 2013 | 11:13 PM
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I'm running dual maps 91/E85. Currently have 91 map flashed to ECU. Let's just say, I miss running on E85, but I can still switch over any time I want. You won't be disappointed with E85, trust me.
Old Jan 9, 2013 | 11:14 PM
  #19  
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What exactly are your upgrades. List them all out. Maybe we can give you a ballpark figure of what your figures may be. But numbers aren't always everything.
Old Jan 10, 2013 | 06:58 PM
  #20  
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Originally Posted by DarkJuic3b0x
What exactly are your upgrades. List them all out. Maybe we can give you a ballpark figure of what your figures may be. But numbers aren't always everything.
Ya... But can offer insight to where I wanna take my car.

06 wrx with 84k miles.
Vf39
Sti tmic.
Cobb accesport (Clark turner protune)
Invida catless dp
Trust Pe ti r Usdm length.
Air pump delete.
Walbro 225 fuel pump.
Grimmic turbo inlet
Perrin after maf hose.
Battery is aftermarket
Old Jan 10, 2013 | 06:58 PM
  #21  
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Originally Posted by Shayhan27
When you go back to 91 you just need to drive easy for a tank or two to be safe, and vice versa for going back to 91. That's why I'm getting a zietronics.
What does that do for you?
Old Jan 10, 2013 | 08:26 PM
  #22  
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Originally Posted by Will George
What does that do for you?
The zietronics will tell you exactly the percentage of e85 you have in the tank basically let's you know if you have to take it easy or not.
Old Jan 10, 2013 | 08:41 PM
  #23  
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Originally Posted by Shayhan27
The zietronics will tell you exactly the percentage of e85 you have in the tank basically let's you know if you have to take it easy or not.
im about to put mine on
Old Jan 10, 2013 | 09:41 PM
  #24  
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Originally Posted by Shayhan27

The zietronics will tell you exactly the percentage of e85 you have in the tank basically let's you know if you have to take it easy or not.
Ah, that seems very helpful haha.
I don't want my mileage going down that much...
I'm trying to reach around 375 torque and 350 hp...
Is that possible without e85 or meth without doing an engine build?
Old Jan 12, 2013 | 11:49 AM
  #25  
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Originally Posted by Will George
Quote:

Originally Posted by Shayhan27


The zietronics will tell you exactly the percentage of e85 you have in the tank basically let's you know if you have to take it easy or not.

Ah, that seems very helpful haha.
I don't want my mileage going down that much...
I'm trying to reach around 375 torque and 350 hp...
Is that possible without e85 or meth without doing an engine build?
with a proper tune its rumored that both can give you up to a 20% gain on both hp and torque



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Old Jan 12, 2013 | 03:09 PM
  #26  
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Originally Posted by wrx_sti_turbo

with a proper tune its rumored that both can give you up to a 20% gain on both hp and torque

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That would put me right about 375 torque...
Oh tempting...
Old Jan 12, 2013 | 03:54 PM
  #27  
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i've had a methanol kit for about 5 years now.
Old Jan 12, 2013 | 04:26 PM
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Old Jan 12, 2013 | 11:51 PM
  #29  
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Originally Posted by 03_Impreza_Al
i've had a methanol kit for about 5 years now.
How often do you need to fill it and how much is it to fill?
What power gains did you see?
Mileage the same?
Overall thoughts?
Old Jan 13, 2013 | 10:54 AM
  #30  
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I have a Cobb acessport with 93/e85 and I love e85 you really do feel the power gain. E85 I get 210 miles per tank , and 250 miles per tank on 93 . But since e85 is cheaper it is around the same thing and switching is as easy as clicking a button



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