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Boosted e85 guys. I need good injectors that don't break the bank!

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Boosted e85 guys. I need good injectors that don't break the bank!

 
Old 05-01-2017, 08:08 AM
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What is your final goal power wise? 2 255’s were good for around 600whp on my E85 setup.

Even with the larger injector, you’ll still be out of pump. Then there’s fuel lines and regulators to consider. E85 may be cheap… but the fuel system to run it isn’t.

You’ll have to spend a little money to run E85. Weigh that against what a little race fuel costs and a lot of times it’s not worth it. Water/meth is also a cheap option. Another 30GPH of straight methanol will extend the injectors a bit and bump your octane a healthy amount.

DEKA 80’s for $330 are the “go to” cheap HI-Z injector. Adding another 255 (3 pumps total) would be cheapest. Switching to dual AEM380’s instead of the 255’s would be better IMO. Drop your ethanol content down as needed from there if you need more fuel. You could try E50. Guys are making over 1000whp with that combo at 10:1 SCR’s
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Old 05-01-2017, 12:34 PM
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Originally Posted by skinnies View Post
Stock lines will be fine at 800-850rwhp on e85.
Originally Posted by jmm98LS1 View Post
A friends car I tuned is going 9 teens at 153mph at 3670lbs on stock lines/reg/filter with twin 255s and 127lb injectors on E85. Math says well over 800rwhp. We're at the limit though, running out of fuel at 20psi boost.
I'm just looking to make the same power that I did before, but hopefully with an improved 60ft run 9's. with my trap speed I would say it makes 750+rwhp now with 3750ish race weight

Just a bit confusing because seeing these guys results makes me think my setup with just bigger injectors should get me back to make same power but with e85. Someone say dual 255's wont make more then 600 on e85 and then people run 9'[email protected] mph with dual 255's, stock rails, reg ect on e85..

I went [email protected] on 60lb injectors on gas so 50% more fuel for e85 I would think a 100-127lb injector would get me where I need to be if the 255's flow enough.

So My plan is to find a 127lbish injector for $500 and under at the moment and see how far that takes me on e86.

Last edited by sweet99ss; 05-01-2017 at 12:54 PM.
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Old 05-02-2017, 01:34 AM
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Okay so after doing a lot of reading and searching through threads I think I have a better idea. Blending e85 with E10 or 91 fuel to make E70. This would ensure my twin 255's would be sufficient and allow me to run a smaller injector like maybe deka 80's??

Also was reading that there is very little difference in resistance to knock between E70 and E85 and E70 is less common to goo up the injectors..

Any comments on this? Also what is everybody using to measure the amount % of E85 in there fuel?
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Old 05-02-2017, 07:26 PM
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wrong thread
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Old 05-03-2017, 08:44 AM
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The ProEfi 128 unit i had used in the past had a display gauge which allowed for ethanol content analysis. I have seen many Supra and 2J guys use Zeitronix with success. There are a few option on their website.
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Old 05-03-2017, 09:11 AM
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Originally Posted by sweet99ss View Post
Okay so after doing a lot of reading and searching through threads I think I have a better idea. Blending e85 with E10 or 91 fuel to make E70. This would ensure my twin 255's would be sufficient and allow me to run a smaller injector like maybe deka 80's??

Also was reading that there is very little difference in resistance to knock between E70 and E85 and E70 is less common to goo up the injectors..

Any comments on this? Also what is everybody using to measure the amount % of E85 in there fuel?

in before someone posts the white paper about how e50 is just as good as higher corn content fuels


I am also curious about a alky % display. I was trying to get a flex fuel tune to work, but its so complicated and I need a better grasp on basic use of HP tuners before I mess with that.

But I have the alky sensor wired in an am looking at ways to get some corn in my life since I quit drinking bourbon
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Old 05-03-2017, 10:03 AM
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http://www.jegs.com/i/Innovate-Motor...SrChoCP0nw_wcB

here is a ethanol gauge i found


http://www.jegs.com/i/Holley/510/26-147/10002/-1

also a deal to measure etanol but not sure on accuracy
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Old 05-03-2017, 03:16 PM
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First time I have seen that Innovate gauge. Its cool, but damn, almost $200 for a gauge. These company's are getting a little crazy on pricing IMO.
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Old 05-03-2017, 03:24 PM
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Might as well buy a megasquirt or Microsquirt at that price… you’ll have a lot more functions.
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Old 05-03-2017, 03:41 PM
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You realize its not just the gauge right? Its also a programmable harness and software for it. They also have the whole gauge and sensor combo for $239 retail.
Pretty good setup imo.
Then they have the 4 in 1 boost, afr, fuel%, fuel temp gauge OR fuel pressure, fuel%, fuel temp, afr gauges also.

Pretty trick.
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Old 05-03-2017, 03:56 PM
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Yea I found it for $219 shipped with everything. Pretty cool gauge for guys running ethanol
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Old 05-03-2017, 06:10 PM
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Does torque pro app ethanol content pid work if you have a hard sensor? If you have a flex fuel capable pcm?
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Old 05-03-2017, 11:00 PM
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+1^^^^^^
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Old 05-04-2017, 09:35 AM
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Also found this but never used it or know anyone that has. Pretty cool idea and eliminates the need for a gauge.

http://www.fuel-it.biz/bluetooth-flex-fuel-analyzer/

Last edited by 2muchboostNY; 05-04-2017 at 02:27 PM.
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Old 05-04-2017, 10:16 AM
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That's pretty cool. Wish it was about $200 even, but it's still something to think about..
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Old 05-04-2017, 11:45 AM
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i have been looking for a thread like this for a while!! i have been searching and googling fuel setups and i can not for the life of me find a thread with working pictures on "how to run the stock ls1 fuel system using the EVAP lines as return in my 2000 ws6. i am only looking for 750hp area from a stock lq9. thanks
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