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Old 05-06-2015, 03:34 PM   #8426
BigRob74
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Quote:
Originally Posted by amalgrover View Post
23psi give or take depending on the gear/weather
stock motor? im going back this week to have my tuner tweak my tune, my #s were at 20 psi, id like to see what 22 gets me now that i have a clutch to hold the power
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Old 05-07-2015, 08:14 AM   #8427
amalgrover
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Yup...50,000 miles on this tune, and about 80,000 total.
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Old 05-20-2015, 02:54 AM   #8428
Subi3b00bi3
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id1300
idc was a lot lower than its at now 2 weeks ago 114%
fp red 28psi
walbro 400lph pump
i made 520whp 490trq dyno jet on e90 tested

so idc was running at around 80% about two weeks ago. i let the car sit outside in the florida humidty for exactly a week after an autocross. i didnt move it or turn it on for that time with e85 in it around half a tank. once i started driving it again a week later the car drove like complete crap. full throttle it started running lean.

i had my tuner raise the idc but that didnt help much. i checked the injectors to see if they clogged, nothing...i havent checked the pump but has anyone else run into this problem?
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Old 05-20-2015, 07:44 AM   #8429
no694terry
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sounds like fuel pressure issue, hows the 400 wired, and still on stock regulator?
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Old 05-20-2015, 09:08 AM   #8430
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I wonder how much water the fuel might have absorbed? Try some fresh e85 in the tank?
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Old 05-20-2015, 10:42 AM   #8431
amalgrover
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In one week, it shouldn't have absorbed much unless the gas tank was left open which is highly doubtful.

When is the last time a tank of 93 oct has been run through it?

Might be a long shot, but why not try the easy stuff first. Try running some ethanol fuel system cleaner or a couple tanks of 93 oct through it and see what happens. Sometimes the ethanol can gunk up when it has sat for a while, and this could be causing a blockage on your injectors or fuel system somewhere. This happened on my wrx one time after a few weeks of sitting, and it caused an injector to get stuck open. Ran a couple tanks of 93 oct and started using ethanol fuel treatments every so often, and never had a problem with it again.
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Old 05-20-2015, 02:09 PM   #8432
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Quote:
Originally Posted by no694terry View Post
sounds like fuel pressure issue, hows the 400 wired, and still on stock regulator?
fuel system is bone stock (lines, regulator, rails) I've only changed the pump and injectors. Pump is hardwired with a fuse And using 10ga wiring.

Quote:
Originally Posted by pagosa View Post
I wonder how much water the fuel might have absorbed? Try some fresh e85 in the tank?
florida is very very humid, at a little less than half I went to a e84 tested station and filled up...afrs went from hitting 12.7 to 12.4


Quote:
Originally Posted by amalgrover View Post
In one week, it shouldn't have absorbed much unless the gas tank was left open which is highly doubtful.

When is the last time a tank of 93 oct has been run through it?

Might be a long shot, but why not try the easy stuff first. Try running some ethanol fuel system cleaner or a couple tanks of 93 oct through it and see what happens. Sometimes the ethanol can gunk up when it has sat for a while, and this could be causing a blockage on your injectors or fuel system somewhere. This happened on my wrx one time after a few weeks of sitting, and it caused an injector to get stuck open. Ran a couple tanks of 93 oct and started using ethanol fuel treatments every so often, and never had a problem with it again.
I haven't run 93 since the first time I put e85 in it back in February..since this happened I'm running this tank out and running 93 in it today. my gas light came on last night so I'm almost there.

I put the lucas e85 conditioner in it last fill up as well.

As for the gunk/gooey stuff check this out, has anyone else run into this?



Ever since florida went on their "summer blend" I've been noticing this goo in the filter of my vp jug funnel. I always wash it out after everytime I fill it but it makes me wonder if the gas station pumps get all gooey
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Old 05-20-2015, 02:13 PM   #8433
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I've looked it up and know what it is but it seems like it's a huge debate between people..some have seen it and some have never seen it.
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Old 05-20-2015, 03:11 PM   #8434
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when i pulled my old injectors after a month of e85, they had very small amounts of deposits. My tank and lines had 267k miles on them when i switched, and no issus so far so i dont buy into the hole gunk in the lines theory

That goo is probably that hose melting or from the inside of your storage tank, e85 will destroy plastics in short order. It even destroyed my e85 water tester in a couple days when i forgot to empty it. The hose on the pump at my local speedway specificly says e85 right on it so its not regular octane fill hose
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Old 05-20-2015, 04:10 PM   #8435
Subi3b00bi3
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Quote:
Originally Posted by no694terry View Post
when i pulled my old injectors after a month of e85, they had very small amounts of deposits. My tank and lines had 267k miles on them when i switched, and no issus so far so i dont buy into the hole gunk in the lines theory

That goo is probably that hose melting or from the inside of your storage tank, e85 will destroy plastics in short order. It even destroyed my e85 water tester in a couple days when i forgot to empty it. The hose on the pump at my local speedway specificly says e85 right on it so its not regular octane fill hose
Same with the pumps here. All of them say ethanol on them. I only have 80k miles so I don't beleive it either. And my brother out in cali has been on e85 on both his evos for years.

How about hard wired pumps. I know it's supposed to decrease the life on the pump but I wouldn't expect it to last only a a couple months if hardwired.

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Old 05-28-2015, 10:10 AM   #8436
no694terry
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I dont know why it would shorten pump life, if anything it should help it get the current it needs
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Old 05-28-2015, 01:16 PM   #8437
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well here we go, car can now run on any blend of octane/ethanol.

I ended up adjusting the maps on the way back to work. -30% for 93 octane was removing too much because of my injector size. They are 3x stock so 1% equals 3%. The slope now starts at -12%. My fuel trims are still low and on e30 i hit 11:1 afrs at wot and 12:1 at what on e80

Also, greddy lied to me. The emanage will adjust more than 20° of timing. good for me.
I set it up to pull about 5° out of my maps for e30, so i hit about 15° of timing at peak torque on e30, and 20° pk tq on e80. Theres a noticable power loss on e30, but atleaste now i can make road trips, and get a few gallons of 93 if need be to get me back to and e85 pump

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Old 06-13-2015, 04:45 PM   #8438
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I am planning to go E85 soon with the following supporting mods. I have a question: Living in Minnesota with cold winters, should I run on 93 in the winter? Will I need a block heater? And should I be worried about knock?

Also, any recommendations on the setup?

COBB Tuning AccessPORT V3 Subaru 2.5L Turbo
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Old 06-13-2015, 05:44 PM   #8439
no694terry
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Quote:
Originally Posted by subieXe View Post
I am planning to go E85 soon with the following supporting mods. I have a question: Living in Minnesota with cold winters, should I run on 93 in the winter? Will I need a block heater? And should I be worried about knock?

Also, any recommendations on the setup?

COBB Tuning AccessPORT V3 Subaru 2.5L Turbo
Killer B Motorsport 4-1 Holy Header 2-Bolt Subaru Turbo Models
Tial MV-S Wastegate 38mm Blue w/ All Springs*
Invidia Downpipe Divorced Wastegate w/ 2 Bungs Subaru Models
Injector Dynamics Fuel Injectors Top Feed 1000cc Subaru Models
COBB Tuning SF Intake and Airbox Subaru WRX
GrimmSpeed Turbo Heat Shield Subaru Turbo Models*
GrimmSpeed Boost Solenoid Subaru *
DeatschWerks DW65c Series Fuel Pump
DEI Titanium Exhaust / Header Wrap
GrimmSpeed Ceramic Coated 38/40mm V-Band External Wastegate Uppipe
AEM UEGO Wideband Controller 4.9LSU AFR Gauge*
Turbosmart Recirculating Blow Off Valve Kompact Plumb
GrimmSpeed Top Mount Intercooler
e85 comes in classes or seasonal blends at the pumps just for that reason. In Minnesota you may see class 3 or 4 which could be as low as 51% ethanol. That will have enough gasoline to start up just fine as long as your tune is good.
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Old 06-13-2015, 06:16 PM   #8440
subieXe
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Quote:
Originally Posted by no694terry View Post
e85 comes in classes or seasonal blends at the pumps just for that reason. In Minnesota you may see class 3 or 4 which could be as low as 51% ethanol. That will have enough gasoline to start up just fine as long as your tune is good.
I see, thanks. So I guess it's pretty safe with a good tune.
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Old 06-14-2015, 11:12 PM   #8441
JaviNES
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Alright guys, looking for some help. I tried researching the thread but couldnt get very far. Ive ordered a few parts in the last few days and Im planning on getting tuned for E85, most parts wont be installed until tune day since the tuner wont be in town until then. My question is whats the procedure a few of you take as far as fueling goes to/until the actual tune? Do you guys fill up on e85 before the tune and just not go into boost?

Another question that just came to mind now if you guys dont mind helping out while we're at it. Ive been reading and you guys apparently test the ethanol content of the E85. I know what you guys use to test the ethanol content. Ive seen the links here to the test sticks, but my question is how do you guys go about testing the fuel? do you fill a small tank before filling up the car and test it?

Ill try to keep searching throughout the thread if I think of anything else. The help is always appreciated guys.
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Old 06-15-2015, 03:42 AM   #8442
dlapham
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Javi -- I would not put e85 in your tank until after the tune. Most tuners will drain your tank somehow, and full with E85. You could and should also contact the tuner or local shop that he / she is using for specific instructions...

I personally highly recommend an ethanol content analyzer be added in line to your fuel system. They aren't very expensive any longer, and are much better than a test kit.
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Old 06-15-2015, 07:39 AM   #8443
no694terry
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Ya you dont want to change fuel types on your own until you have maps ready or you'll likely stall out at the gas station and never get it restarted. Like dlapham said, just give the tuner a quick call, even if he isnt there someone else will likely know how they operate.

i use a flexconverter.com universal kit. Comes with sensor (needs tee'd into return line) and hooks up with 2 wires. 3 if you want to use the analog output for logging or flex fule in my case. It's bluetooth and use a android/phone or tablet as the gauge with the blueflex app.
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Old 06-16-2015, 08:00 PM   #8444
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Joined the e85 army today. 385whp/385wtq @ 24.5 PSI in 90+ degree ambient heat. Soooooo much torque down low. Death to pump, LONG LIVE E85!
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Old 06-16-2015, 09:04 PM   #8445
no694terry
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nice, im making 322/338 at 17psi on a NA 2.2. E85 is a god.
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Old 06-17-2015, 10:38 AM   #8446
JaviNES
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Quote:
Originally Posted by dlapham View Post
Javi -- I would not put e85 in your tank until after the tune. Most tuners will drain your tank somehow, and full with E85. You could and should also contact the tuner or local shop that he / she is using for specific instructions...

I personally highly recommend an ethanol content analyzer be added in line to your fuel system. They aren't very expensive any longer, and are much better than a test kit.
Quote:
Originally Posted by no694terry View Post
Ya you dont want to change fuel types on your own until you have maps ready or you'll likely stall out at the gas station and never get it restarted. Like dlapham said, just give the tuner a quick call, even if he isnt there someone else will likely know how they operate.

i use a flexconverter.com universal kit. Comes with sensor (needs tee'd into return line) and hooks up with 2 wires. 3 if you want to use the analog output for logging or flex fule in my case. It's bluetooth and use a android/phone or tablet as the gauge with the blueflex app.
I gave a call to them yesterday as planned but they were unavailable at the time. I planned on contacting them to schedule the actual tune and answer some of my needed questions. Ill be giving them a call tomorrow.

I took a look at some ethanol content analyzers, along with the one you mentioned Terry. Theyre not expensive imo, and its a useful tool.

I am still however somewhat confused with testing and how it effects my driving/tune. So Im in FL, Miami specifically, and to my understanding we are on summer blend throughout the year. What is a right percentage I should be looking at? What is considered low content? What do I do if Im tuned for e85 and I have a low ethanol content fillup or two?

I have/will have pretty much the same upgrades with the average users here on stage 2 asking the same noob questions lol.

Grimmspeed Catless DP
Invidia Q300
Cobb SF
1000cc injectors
DW300c
Grimmspeed EBCS
Perrin Turbo inlet

I thank you for all the help/info!
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Old 06-17-2015, 10:51 AM   #8447
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In Tennessee, summer blend is 80 percent. I imagine you should see something in that range. Our low is 70 percent, which I have seen even now at some stations. I have three tunes now. One for E80, one for E70 and another for 93. So far so good, but I can't wait until cobb releases flex fuel.
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Old 06-17-2015, 10:55 AM   #8448
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Low ethanol content runs rich. I would think your tuner would give you several maps for different E content. My personal rule, is to stay out of boost if I have questions about something, and use my AAA membership if the car doesn't run right, or the wideband is off.
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Old 06-17-2015, 11:23 AM   #8449
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Stations around here run anywere from e70 to e95. I use a zeitronix eca2. Most stations are pretty consistent, the one near my house always has e70....they suck.
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Old 06-17-2015, 03:45 PM   #8450
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Quote:
Originally Posted by dlapham View Post
In Tennessee, summer blend is 80 percent. I imagine you should see something in that range. Our low is 70 percent, which I have seen even now at some stations. I have three tunes now. One for E80, one for E70 and another for 93. So far so good, but I can't wait until cobb releases flex fuel.

You could always get a pro tune ya know, and have flex fuel - be it Cobb or ecutek.
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