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Old 06-09-2015, 09:53 PM   #1
Delicious Tuning
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Default *** Delicious Tuning Flex Fuel for your Cobb AccessPort on 2008+ WRX/STI ***

General Overview
Tuner: Delicious Tuning
Location: Infamous Performance| Escondido, CA
Vehicle: 2008 Subaru Impreza WRX STI
Ambient Temp: 78 degrees
Elevation: 700 ft
Humidity: 45%

Dyno Information
Dyno Info: Mustang AWD-150
Ethanol Content Reading on E85: 65%
Ethanol Content Reading on ACN 91: 9%
Peak HP at RPM: 284WHP @ 5400 on E85 (Flex Fuel)
Peak HP at RPM: 243WHP @ 6000 on ACN 91 (Flex Fuel)
Peak TQ at RPM: 339WTQ @ 3600 on E85 (Flex Fuel)
Peak TQ at RPM: 257WTQ @ 3600 on ACN 91 (Flex Fuel)
Target Boost: 18PSI on E85 (Flex Fuel)
Target Boost: 17PSI on ACN 91 (Flex Fuel)

Engine/Power Information
Delicious Tuning Cobb AccessPort Stage 2 Flex Fuel Tune
- 2008 Subaru STI
- Stage 2 ACN 91 with Flex Fuel
- Stock Intake and Turbo
- Turbo Back Exhaust
- ID 1000CC Injectors
- DW 300 Fuel Pump



Delicious Tuning is proud to unveil the first ever Cobb Stage 2 Flex Fuel for the 2008+ STI! This proves that we can now flex fuel 2008-2015 model year STI's.

Our Flex Fuel Bluetooth kit is designed to scale boost, fuel and timing based on ethanol percentage. So with that in mind all you need to do is pump and go, no need to pull out your Cobb AccessPort and switch between maps.


Cheers,
William Knose
Delicious Tuning
www.delicioustuning.com/flexfuel
http://www.delicioustuning.com/flexfuelcobb
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Last edited by Delicious Tuning; 10-20-2015 at 08:33 PM. Reason: Adding Cobb FF link
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Old 06-09-2015, 10:31 PM   #2
slide
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Omg!!!! Awesome!!!
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Old 06-10-2015, 02:25 PM   #3
iB00st
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Will this work with an 07 sti? Or do you guys have a different kit for that?
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Old 06-10-2015, 02:58 PM   #4
Delicious Tuning
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Quote:
Originally Posted by iB00st View Post
Will this work with an 07 sti? Or do you guys have a different kit for that?
Yes, we have flex fuel systems for 2004 thru 2015 STi using Cobb. There are some variances between kits due to model year differences, but it's basically the same thing.

Cheers

http://www.delicioustuning.com

Last edited by Delicious Tuning; 04-22-2016 at 07:20 PM.
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Old 06-10-2015, 09:55 PM   #5
juanmedina
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That's very awesome, no more guessing the ethanol content.

Off topic: Is it true that you guys can tune the Lexus IS-F and RC-F?
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Old 06-10-2015, 11:47 PM   #6
Delicious Tuning
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Quote:
Originally Posted by juanmedina View Post
That's very awesome, no more guessing the ethanol content.

Off topic: Is it true that you guys can tune the Lexus IS-F and RC-F?
How did you hear about that? I can neither confirm nor deny anything...yet.
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Old 06-11-2015, 12:44 AM   #7
user1029
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Can you guys merge with IAG
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Old 06-11-2015, 07:23 AM   #8
juanmedina
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Quote:
Originally Posted by Delicious Tuning View Post
How did you hear about that? I can neither confirm nor deny anything...yet.
I heard from a little birdie.... I hope is true because my IS-F needs another 20-30hp..... or a twin turbo setup

Keep up the good work
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Old 06-12-2015, 01:05 PM   #9
exchefphil
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what if your already protuned stage 2 with larger injectors, EWG on 93 oct ....how will this work for me? If i understand right if e85 isnt available i can just pump 91 oct and not do anything else? didnt buy a subbie for gas milage but does it improve it
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Old 06-12-2015, 07:44 PM   #10
Delicious Tuning
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Quote:
Originally Posted by exchefphil View Post
what if your already protuned stage 2 with larger injectors, EWG on 93 oct ....how will this work for me? If i understand right if e85 isnt available i can just pump 91 oct and not do anything else? didnt buy a subbie for gas milage but does it improve it
In your case, assuming you have 1000cc injectors and a larger fuel pump (what you need to run flex fuel). You would be a good canididate, because there is a COBB OTS map that could potentially suit your setup.

http://www.cobbtuning.com/maps/2011-...ti-stage-2-map

Yes, flex fuel, gives you the flexibilty to run your base fuel that you are tuned for (91 or 93 octane) and any percentage mix of ethanol, up to E85 (85% ethanol)

Actually, you get 30-35% less fuel economy runing ethanol, but you get good performance gains, lower price per gallon, cleaner burn/emissions and it's mostly a renewable fuel source.

Last edited by Delicious Tuning; 06-12-2015 at 07:56 PM.
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Old 06-13-2015, 05:54 PM   #11
martin028
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What about a 2004 wrx?
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Old 06-15-2015, 02:03 PM   #12
Delicious Tuning
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Quote:
Originally Posted by martin028 View Post
What about a 2004 wrx?
We can do it:

http://forums.nasioc.com/forums/show....php?t=2727379

http://forums.nasioc.com/forums/show....php?t=2725510
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Old 06-15-2015, 02:15 PM   #13
Homemade WRX
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search FIRST, then PM!!!

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I'm curious, how do you best suggest setting up your data points to which you interpolate from? Do you run on a lab controlled E98 for instance and then run on a titrated pump gas, for baseline calibrations?

Also have you found that a linear interpolation of the maps works well or do you use a complex method? I ask because above fuel range may throw in more error if using a linear interpolation is used when a complex one should be used.
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Old 06-15-2015, 03:32 PM   #14
Delicious Tuning
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Quote:
Originally Posted by Homemade WRX View Post
I'm curious, how do you best suggest setting up your data points to which you interpolate from? Do you run on a lab controlled E98 for instance and then run on a titrated pump gas, for baseline calibrations?

Also have you found that a linear interpolation of the maps works well or do you use a complex method? I ask because above fuel range may throw in more error if using a linear interpolation is used when a complex one should be used.
Hi Micah, it's been what, oh a decade or so?

I'm sure many people are curious what's in McDonald's special sauce, but I don't see them ever publically announcing the recipe.

Cheers,

Brian
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Old 06-15-2015, 06:58 PM   #15
tsuch20
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Will the work for any stage performance mods. I have a built 11 STI and have wanted to be true "flex fuel" for awhile. Currently running e85.
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Old 06-15-2015, 07:21 PM   #16
Delicious Tuning
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Quote:
Originally Posted by tsuch20 View Post
Will the work for any stage performance mods. I have a built 11 STI and have wanted to be true "flex fuel" for awhile. Currently running e85.
This will work on any COBB OTS map. If you have modifications that exceed the requirements of the OTS maps, you will need custom dyno tuning by us, as we are not currently offering e-tuning for this setup.
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Old 06-15-2015, 08:04 PM   #17
DavC825
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Quote:
Originally Posted by juanmedina View Post
That's very awesome, no more guessing the ethanol content.

Off topic: Is it true that you guys can tune the Lexus IS-F and RC-F?
Quote:
Originally Posted by Delicious Tuning View Post
How did you hear about that? I can neither confirm nor deny anything...yet.
More on this! Last i heard was some company needing your ecu...
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Old 06-15-2015, 08:46 PM   #18
MassBugeye
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Do these tunes require a flex fuel sensor as there is no easier way to determine the ethanol content of the "E-85" that is being pumped into the vehicle?
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Old 06-15-2015, 08:51 PM   #19
Delicious Tuning
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Quote:
Originally Posted by MassBugeye View Post
Do these tunes require a flex fuel sensor as there is no easier way to determine the ethanol content of the "E-85" that is being pumped into the vehicle?
Yes, here is what comes in our kit:
http://www.delicioustuning.com/flexfuelcobb
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Old 06-15-2015, 08:59 PM   #20
McGrizz
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Is this only going to work with cars using basic off the shelf maps? What about those fully built and pushing in the 500+ hp range?
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Old 06-15-2015, 09:39 PM   #21
Delicious Tuning
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Quote:
Originally Posted by McGrizz View Post
Is this only going to work with cars using basic off the shelf maps? What about those fully built and pushing in the 500+ hp range?
No it will work on anything, but we would need to tune it.

Cheers,
William Knose
Delicious Tuning
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Old 06-16-2015, 11:57 AM   #22
MPS-Dom
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Quote:
Originally Posted by Homemade WRX View Post
I'm curious, how do you best suggest setting up your data points to which you interpolate from? Do you run on a lab controlled E98 for instance and then run on a titrated pump gas, for baseline calibrations?

Also have you found that a linear interpolation of the maps works well or do you use a complex method? I ask because above fuel range may throw in more error if using a linear interpolation is used when a complex one should be used.
Hey bud,
looking at the kit and knowing what tables are available in standard GR based roms, I would guess that he is using the barometric sensor input (or something along those lines). Baro has compensation for fuel, ignition and boost. There is also the ability to scale the baro sensor.
The baro maps have on average about 8 points along the scale that you can adjust parameters, more than enough for flex fuel.

I'm totally digging the bluetooth display more than anything. I don't want another gauge in my car and the ability to just look it up with my phone when needed is cool. I'd like to see it display on an Android Auto head unit.
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Old 06-16-2015, 12:03 PM   #23
McGrizz
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Quote:
Originally Posted by Delicious Tuning View Post
No it will work on anything, but we would need to tune it.

Cheers,
William Knose
Delicious Tuning
Is speed density ok too?
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Old 06-16-2015, 12:40 PM   #24
Delicious Tuning
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Quote:
Originally Posted by MPS-Dom View Post
Hey bud,
looking at the kit and knowing what tables are available in standard GR based roms, I would guess that he is using the barometric sensor input (or something along those lines). Baro has compensation for fuel, ignition and boost. There is also the ability to scale the baro sensor.
The baro maps have on average about 8 points along the scale that you can adjust parameters, more than enough for flex fuel.

I'm totally digging the bluetooth display more than anything. I don't want another gauge in my car and the ability to just look it up with my phone when needed is cool. I'd like to see it display on an Android Auto head unit.
Like this?

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Old 06-16-2015, 12:41 PM   #25
Delicious Tuning
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Quote:
Originally Posted by McGrizz View Post
Is speed density ok too?
Yes, it works with speed density too.

Last edited by Delicious Tuning; 04-22-2016 at 07:20 PM.
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