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Old 04-29-2015, 11:31 AM   #21
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Originally Posted by Der_Idiot View Post
All of this research is what's keeping me from getting the sensor and converting myself too. I don't want to be e85 exclusive in a DD, there aren't that many e85 pumps outside the cities..
For anyone looking for E85. I used the site below for 3+ years when I was running E85 on my WRX.

Alternative Fuels Data Center: Alternative Fueling Station Locator


Quote:
Originally Posted by mlev View Post
2) wally 255 and extra "socks" (will be ordering this week)

So I never had to change socks or fuel filters on my Subie when I was running E85. Why do people feel that you need to change these on the Miata when swapping over?
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Old 04-29-2015, 11:34 AM   #22
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Originally Posted by ofspunk7 View Post

So I never had to change socks or fuel filters on my Subie when I was running E85. Why do people feel that you need to change these on the Miata when swapping over?
Because a newer subaru is going to have modern fuel lines, lower mileage, much cleaner tank with little to no gunk in it. Gunk that when broken up/off the walls and crevices will clog your fuel injectors/filter/etc.

It's not mandatory, but good practice.
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Old 04-29-2015, 11:36 AM   #23
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Originally Posted by 18psi View Post
Because a newer subaru is going to have modern fuel lines, lower mileage, much cleaner tank with little to no gunk in it. Gunk that when broken up/off the walls and crevices will clog your fuel injectors/filter/etc.

It's not mandatory, but good practice.
SCIENCE!

I guess that makes sense. I will have to think about adding that to my project list. Hope to fire my 1st E85 tank tomorrow night. It will be nice to be back in a turbo car running corn.
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Old 04-29-2015, 01:03 PM   #24
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Originally Posted by z31maniac View Post
Don't think it was mentioned here, but on the BRZ forums there have been lots of BOA's that show some oils don't play well with E85.

So an oil designed to handle E85 is a good idea as well. I'm getting ready to put Motul 8100 in my BRZ.
In the mazdaspeed world T6 doesn't like e85. People run Penz Platinum when they're on corn. FWIW.
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Old 04-29-2015, 01:05 PM   #25
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I'm trying to comprehend what you guys are talking about. If it's diluting the oil, why would it matter which oil it's diluting?
Wouldn't the end result be the same?
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Old 04-29-2015, 01:09 PM   #26
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I'm trying to comprehend what you guys are talking about. If it's diluting the oil, why would it matter which oil it's diluting?
Wouldn't the end result be the same?
I know it's apple to oranges, but on the HPFP T6 + e85 creates black tar buildup, when people ran PP there was less/no tar. Not the same for a miata, but since you'll get some dilution no matter what it might be worth it to switch oils.
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Old 04-29-2015, 01:10 PM   #27
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Interesting. I didn't know there was actually a chemical reaction happening
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Old 04-29-2015, 01:31 PM   #28
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In the Subie world people run T6 and never have a problem with E85. Most of the built subies coming out of my buddies shop are on E85 and 90% of the modded subies in the metro seem to be running T6 (because we get it at $15 a gallon). I have never heard of any issues with the gas and oil. This statement confuses me too.
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Old 04-29-2015, 01:40 PM   #29
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Me too, but either way it's a good idea to run a catch can because blow by from e85 looks disgusting and you don't want it in your oil.
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Old 04-29-2015, 02:01 PM   #30
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I ran E85 in my car for a year and a half, always used T6 and had zero issues with build up. When using E85, oil contamination is going to happen...just increase the frequency of your oil changes and it'll be fine.
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Old 04-29-2015, 02:47 PM   #31
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Originally Posted by 18psi View Post
Me too, but either way it's a good idea to run a catch can because blow by from e85 looks disgusting and you don't want it in your oil.
Catch can has nothing to do with preventing crankcase blow-by.
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Old 04-29-2015, 02:51 PM   #32
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Fair enough, though I recon you'd have to be washing the cyl walls or something to get that much past the rings. Or have bad rings.
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Old 04-29-2015, 03:06 PM   #33
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Originally Posted by ofspunk7 View Post
In the Subie world people run T6 and never have a problem with E85. Most of the built subies coming out of my buddies shop are on E85 and 90% of the modded subies in the metro seem to be running T6 (because we get it at $15 a gallon). I have never heard of any issues with the gas and oil. This statement confuses me too.
Good to know. Again I was only talking mazdaspeeds where the HPFP encounters some oil / fuel mixing and it causes issues. If it isn't an issue with other non DI cars then a miata would be fine with T6.
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Old 04-29-2015, 03:14 PM   #34
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Originally Posted by Vuti View Post
Catch can has nothing to do with preventing crankcase blow-by.
No, but a properly working PCV system with a catch can will help keep blowby from settling in the oil, and the can will keep from burning the nasty crap filtered out. A good idea no matter what fuel you use.
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Old 04-29-2015, 05:39 PM   #35
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So, I normally run T6, but I was having weird issues which I attributed to the thickness of the oil. Don't get me wrong, it's a great oil, it cleaned **** out real nice, but I noticed my oil pressure gauge wasn't really moving (stuck at 60psi constantly, yes aftermarket gauge), and I was blowing oil through the turbo really bad. Like, coming out of my BOV bad.

I put vacuum on my crank case a bit better (was venting PCV to atmo before, tied both sides of the valve cover into the vac now) and switch to a 5w30 mobile 1 (yes, i know it breaks down quicker, and isn't quite as nice, but I change my oil pretty frequently) and both of those issues went away.

That said, I think I'll pick up a set of DW800s and call it good. They're only $60 or so more than the others that I was going ot get, and they're 100% rated for corn which I like.

I'm fairly familiar with the process of retuning and all that by this point.. I've done 4 different MS installs, and swapped injectors on 2 cars after the MS install.
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Old 04-29-2015, 05:43 PM   #36
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ev6 dw800's? or is dw now making 800's in ev14?

don't get ev6's.
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Old 04-29-2015, 05:59 PM   #37
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Oh, **** me. those are NC injectors.

Ok, so what is the new hotness in the 700+ range for NB Miata thats corn safe?

EDIT: these is no bueno? http://www.deatschwerks.com/products...-0700-4-detail
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Old 04-29-2015, 06:15 PM   #38
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those are ev6's. no bueno
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Old 04-29-2015, 06:26 PM   #39
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Quote:
Originally Posted by mlev View Post
Oh, **** me. those are NC injectors.

Ok, so what is the new hotness in the 700+ range for NB Miata thats corn safe?

EDIT: these is no bueno? 1990-05 : 700cc Fuel Injectors | DeatschWerks
Quote:
Originally Posted by 18psi View Post
those are ev6's. no bueno
ID1000s or bust (<---LINK), every car I've tuned with EV6 injectors has had a terrible idle.
Attached Thumbnails
E85 Checklist-id1000_small_no_logo.jpg  

Last edited by Lincoln Logs; 04-29-2015 at 06:53 PM.
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Old 04-29-2015, 06:58 PM   #40
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I've been on E85 for about a year, integrated flex fuel sensor, too, but not on MS. I'm using FIC880's (more like 840cc in truth), and I'm at 65% duty cycle at about 275whp per Virtual Dyno.

Black gummy residue is a result of petroleum solids dropping out of solution as the atomized E85 mist passes the end of the hot injector. It'll make injectors sticky if not cleaned out manually or by running a tank of pumpgas every couple of months. That's the easiest way to keep everything nice and clean.

Edit: I've never had a problematic amount of the residue on this or my previously converted turbo car, but plenty of guys I know have.
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