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Old 04-29-2021, 10:03 AM   #8901
K3rm1tth3fr0g
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Member#: 508105
Join Date: Nov 2019
Chapter/Region: NWIC
Location: Greater Seattle Area
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Link flex tuned 02
WRX EJ205 20G-XTR JDM 6MT

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Quote:
Originally Posted by gtlyearsley View Post
Stock clutch held to R12 lol. Around 450ish lbft. So that next week I put in the Comp twin disc

Makes a lot more sense.
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Old 04-29-2021, 10:38 AM   #8902
gtlyearsley
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Member#: 501308
Join Date: May 2019
Chapter/Region: RMIC
Location: Instagram: jeremy_yearsley
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741awhp (Mikeytuned)

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Originally Posted by K3rm1tth3fr0g View Post
Makes a lot more sense.

I was surprised it held that long actually!
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Old 10-09-2021, 08:04 PM   #8903
Keepfight10
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2015 WRX
Pearl White

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Quote:
Originally Posted by juanmedina View Post
Power mods and supporting mods are:
VF39 and Sti TMIC
gimmick turbo inlet
TGV deletes by me
Buschur Racing TBE 3" catless (ceramic coated completely)
Perrin EL and uppipe (ceramic coated)
APS 65mm CAI
Hallman MBC
APS dual vent BOV
3mm phenolic spacer
860cc modded injector
Walbro FP


E85 20 PSI VS 93 oct 18 PSI

Tune by CAMTUNING Cameron
Honestly these are my true power goals
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Old 10-24-2021, 01:18 AM   #8904
gtlyearsley
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Join Date: May 2019
Chapter/Region: RMIC
Location: Instagram: jeremy_yearsley
Vehicle:
2020 STI
741awhp (Mikeytuned)

Default The E85 Army Thread

Injector size: ID2600 XDS

Injector Duty: 66.84%

Elevation: 4300ft

Turbo: PT 6466

741AWHP stock block 20 STI
https://r.tapatalk.com/shareLink/top...ink_source=app

Update on my build

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Old 11-22-2021, 08:15 PM   #8905
ijn ducky
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Location: Lithopolis, OH
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2005 Impreza WRX
Silver

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been searching through this thread, but either missed it, or it's never been asked...

I have a 2005 WRX and purchased an entirely new fuel pump assembly. Can I just use the new stock pre-filter/sock with the AEM340 pump I got? The filter that came in the kit is tiny in comparison to stock. Also, the kit came with a pigtail, but it appears the AEM pump has the OEM style plug. Do I need to use that pigtail, or is that only for other year cars?
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Old 11-23-2021, 11:07 PM   #8906
BlackFighter
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RalliSpec Shortblock

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Hey guys,

There is no way I can go through all 357 pages so sorry if my questions have been already answered.

Well now that I'm in the middle of building a track car, I was convinced to go with E85, plus there are pumps in east PA now so why not. After doing some research it only makes seans, regarding better power output and the lower temperature it burns.

I understand that with E85 we can run higher CR, but how high to not effect the drivable on 93 gas? The engine I'm planning on building is a 2.35 de-stroker GT35 with D25 heads and it will be pushed on E85 on the track, but want to be able to drive it on 93 gas without issues.

I'm curious to see what CR worked best for other people who are running E85, any tips with E85? Do you leave it in the gas tank when the car sits or do you drain it. How much of a issue is it when you add 93 gas to E85 after a track day?

I kinda know what I want to do, but just looking for more info, because why not. " Knowledge is Power" right?

Thanks all

Last edited by BlackFighter; 11-23-2021 at 11:22 PM.
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Old 11-24-2021, 06:39 AM   #8907
snow_bound26
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Location: SLC and Lake Placid
Vehicle:
2005 92x Aero
Beige

Default The E85 Army Thread

Quote:
Originally Posted by BlackFighter View Post
Hey guys,



There is no way I can go through all 357 pages so sorry if my questions have been already answered.



Well now that I'm in the middle of building a track car, I was convinced to go with E85, plus there are pumps in east PA now so why not. After doing some research it only makes seans, regarding better power output and the lower temperature it burns.



I understand that with E85 we can run higher CR, but how high to not effect the drivable on 93 gas? The engine I'm planning on building is a 2.35 de-stroker GT35 with D25 heads and it will be pushed on E85 on the track, but want to be able to drive it on 93 gas without issues.



I'm curious to see what CR worked best for other people who are running E85, any tips with E85? Do you leave it in the gas tank when the car sits or do you drain it. How much of a issue is it when you add 93 gas to E85 after a track day?



I kinda know what I want to do, but just looking for more info, because why not. " Knowledge is Power" right?



Thanks all


D25 heads, guessing you have a 32bit ECU? If so, the easiest way to go about this is a flex fuel tune. This way you don't have to worry about calculating how much ethanol you're using in a given tank. It also means you don't have to swap maps anytime you change from one fuel to the other. Simply run the tank as low as you want, fill with E for the track and then fill with 93 when you drive home. Otherwise you'll need to always check E content and swap maps. Just because the pump says E85, doesn't mean it's actually E85. It could be E60 for instance. The ECU can compensate a certain amount when the actual content is off, but I can't remember by how much. I'd talk to your tuner about that.

As for final CR, most people keep CR below 9.0:1 if they intend to use pump gas. If you were to only use E then you can go higher. 9.5:1 is pretty common. Have seen a few 10.0:1 and 10.5:1 builds as well. The higher the CR, the more you have to hope your tuner really knows what they are doing.
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Old 11-24-2021, 10:25 AM   #8908
BlackFighter
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RalliSpec Shortblock

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It's going in a 05 Sti, so ya 32bit ECU. Already have a flex fuel kit waiting to be installed after engine break in on 93 gas first. Car will deff be tuned for flex fuel tune and tuner is well known and knowledgeable, so don't see a problem with tuning.
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Old 11-24-2021, 01:15 PM   #8909
K3rm1tth3fr0g
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Vehicle:
Link flex tuned 02
WRX EJ205 20G-XTR JDM 6MT

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Quote:
Originally Posted by BlackFighter View Post
It's going in a 05 Sti, so ya 32bit ECU. Already have a flex fuel kit waiting to be installed after engine break in on 93 gas first. Car will deff be tuned for flex fuel tune and tuner is well known and knowledgeable, so don't see a problem with tuning.
You'll have no problems on the street on pump gas.

Being 93 helps, but even if it was 91 on high CR, you'd be fine. Try daily driving a 205 w/o AVCS on a VF39 on pump and then complain about a 2.3Ls drive-ability.

Also since your going flex fuel, just buy a bunch of E85 in barrels or VP cans and mix up some ~E60 or so every tank if you don't want to go to the E pump every fill-up. Still get 90% of the benefits of E85, but you don't have to get it as often.
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