It will lean it out some adding E85, how much or if its safe I am not sure.
The e85 thread
Safety Car
Joined: Jan 2008
Posts: 4,797
Likes: 52
From: Boise
Is it possible to mix in a gal or two of E85 at fill up with pump gas 93 oct just for safety if running high boost without meth. My car is running 18psi of boost on 93oct no meth so if i add E85 at fill up without any tuning changes will this give me any more protection when in high boost compared to adding a can of torco??????
Le Mans Master
Joined: Feb 2007
Posts: 6,674
Likes: 57
From: Mt Pleasant, TN
Drifting
Joined: Sep 2008
Posts: 1,389
Likes: 3
From: somewhere shooting my assault rifles
Is it possible to mix in a gal or two of E85 at fill up with pump gas 93 oct just for safety if running high boost without meth. My car is running 18psi of boost on 93oct no meth so if i add E85 at fill up without any tuning changes will this give me any more protection when in high boost compared to adding a can of torco??????
For example if you were set at 14.13 stoich for E10 93 octane your wot would be .6 leaner and your octane would be at 95 with E23 using a 5 to 1 blend of 93/e85.
5 to 2 ratio would yield you E301 and 96.4 octane but at E30 you will be running too lean especially wot without tuning changes and probably running out of injector as well top end.
Use the E85 blending calculator link here to take the guess work out of mixing for octanes and ethanol %. Use the bottom one on the page. http://www.intercepteft.com/calc.html#
Last edited by Z06supercharged; Dec 23, 2011 at 11:09 PM.
Drifting
Joined: Sep 2008
Posts: 1,389
Likes: 3
From: somewhere shooting my assault rifles
So I have been regularly testing the E85 % here at one station. The last 2 weeks I have been exactly at 92%. They get 1-2 deliveries a week so its pretty stable at 92% which is BS. I dont want 92%, I want 85% or a little lower. I know 92% is the legal max for E85 but geezus talk about wanting to make the most profit they can.
Drifting
Joined: May 2007
Posts: 1,879
Likes: 4
From: st. louis MO
So I have been regularly testing the E85 % here at one station. The last 2 weeks I have been exactly at 92%. They get 1-2 deliveries a week so its pretty stable at 92% which is BS. I dont want 92%, I want 85% or a little lower. I know 92% is the legal max for E85 but geezus talk about wanting to make the most profit they can.
Drifting
Joined: Sep 2008
Posts: 1,389
Likes: 3
From: somewhere shooting my assault rifles
I dont mind higher or lower levels as I can run on E100 and anything in between just by changing tune which is no big deal but I wish they would be a little closer high/low % with their deliveries rather than me having to check it each fill up to see what the hell they delivered % wise.
Screw this min 72% max 92% bs wherever they decide they want it %. Thats ridiculous unless you have a flex fuel sensor on the vehicle to keep up with a 20% variance and even the flex fuel sensors dont go above 85%. Im looking into a dual chip PCM and I can flip on the fly between 2 different tunes with no laptop needed.
Screw this min 72% max 92% bs wherever they decide they want it %. Thats ridiculous unless you have a flex fuel sensor on the vehicle to keep up with a 20% variance and even the flex fuel sensors dont go above 85%. Im looking into a dual chip PCM and I can flip on the fly between 2 different tunes with no laptop needed.
Last edited by Z06supercharged; Jan 7, 2012 at 06:37 AM.
Race Director
Joined: Nov 2000
Posts: 11,221
Likes: 899
From: CA
2017 C5 of the Year Finalist
St. Jude Donor '08
While I've run Torco for quite some time now, and plan to continue to do so at this moment, I have to look at the upside of E85. For me, I might just add some injector, a MSD 2351 Fuel Pump Voltage Booster to my Magnafuel pump, and have 2 tunes... I'd just switch on the Booster when I added the E85. This would give me both options.
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Drifting
Joined: Aug 2006
Posts: 1,629
Likes: 6
From: Little Rock Arkansas
I have several questions on E85. I am building a solid roller ls3 418 11.0 to 1 F1R auto FRC. I am looking at ID2000 injectors, Aeromotive pro series external fuel pump, stock pump Yed into -10 feed and -8 return.
Is this enough fuel system to make 1100 to 1200 rw on E85?
What stoich are the high HP guys running on E85?
What commanded PE AFR are the high hp guys targeting on E85?
Is the 105 octane enough to support 20psi at 11.0 compression?
Thanks for any info.
Kris
Is this enough fuel system to make 1100 to 1200 rw on E85?
What stoich are the high HP guys running on E85?
What commanded PE AFR are the high hp guys targeting on E85?
Is the 105 octane enough to support 20psi at 11.0 compression?
Thanks for any info.
Kris
Drifting
Joined: May 2007
Posts: 1,879
Likes: 4
From: st. louis MO
I have several questions on E85. I am building a solid roller ls3 418 11.0 to 1 F1R auto FRC. I am looking at ID2000 injectors, Aeromotive pro series external fuel pump, stock pump Yed into -10 feed and -8 return.
Is this enough fuel system to make 1100 to 1200 rw on E85?
What stoich are the high HP guys running on E85?
What commanded PE AFR are the high hp guys targeting on E85?
Is the 105 octane enough to support 20psi at 11.0 compression?
Thanks for any info.
Kris
Is this enough fuel system to make 1100 to 1200 rw on E85?
What stoich are the high HP guys running on E85?
What commanded PE AFR are the high hp guys targeting on E85?
Is the 105 octane enough to support 20psi at 11.0 compression?
Thanks for any info.
Kris
i am building a somewhats similar setup
418ci, novi 2500, ls7 heads with 11.1cr
shooting for over 1000hp through a TH400
im using a Intank 400lph Walbro fuel pump and External Magnafuel 4303 fuel pump -10 feed -8 return.
brett will be tuning my beast
Drifting
Joined: Aug 2006
Posts: 1,629
Likes: 6
From: Little Rock Arkansas
Melting Slicks
Joined: Aug 2007
Posts: 2,583
Likes: 415
From: Erwin, NC
you'll be much happier with the price difference
Drifting
Joined: Aug 2006
Posts: 1,629
Likes: 6
From: Little Rock Arkansas
At close to $10.00 a gallon the E85 seems to be the way to go. It is costing me a $$$$$$$ to build the fuel system to support E85 but it should be worth it in the long run.
Le Mans Master
Joined: Jul 2005
Posts: 7,121
Likes: 3
From: Shreveport/Bossier Louisiana
St. Jude Donor '08
I went with Deatschewerks pumps because I have heard and seen great things from them. Also, they have a 3-year, no questions asked warranty. Can't beat that.
Melting Slicks
Joined: Aug 2005
Posts: 2,960
Likes: 112
From: New Braunfels TX
And I refuse to make big numbers on regular 93 because Im a chicken 
Le Mans Master
Joined: Jul 2005
Posts: 7,121
Likes: 3
From: Shreveport/Bossier Louisiana
St. Jude Donor '08
How much RWHP do you think they will support with a hotwire kit and no BAP. Im only making 900 with a 3.250 but have a 2.8 waiting in my tool box. Im like the others my ms109 race gas mix is too expensive and e85 is local to me And I refuse to make big numbers on regular 93 because Im a chicken
And I refuse to make big numbers on regular 93 because Im a chicken http://ls1tech.com/forums/fueling-in...301-pumps.html
Melting Slicks
Joined: Aug 2005
Posts: 2,960
Likes: 112
From: New Braunfels TX
They (twin pumps) have made just below 1,100rwhp on E85 on a turbo C5.
http://ls1tech.com/forums/fueling-in...301-pumps.html
http://ls1tech.com/forums/fueling-in...301-pumps.html