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03-24-2014, 07:51 PM | #1 |
Scooby Newbie
Member#: 367790
Join Date: Sep 2013
Location: arizona
Vehicle:2004 Imprezza wrx white |
Water methanol with an accessport?
Hey guys I've got an 04 wrx wagon. Cobb big pipe intake, stage 1 91acn tune (accessport v3). I was considering doing a water methanol 1.5 gal/hr nozzle, single stage kit. I've been trying to get a straight answer from Cobb on whether or not this is going to mess with car seeing as its tuned for 91acn and I'll be technically in the 100-116 octane rating with methanol/water injection, but with no success. I plan to tune the injection to run only above 7 psi of boost. Any thoughts? Any previous water methanol experiences? Anything i should watch out for? Thanks all
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03-24-2014, 08:38 PM | #2 |
Scooby Specialist
Member#: 181617
Join Date: Jun 2008
Chapter/Region:
MAIC
Location: frederick, md
Vehicle:2004 wrx Dom3/IAG built hybrid |
I seriously doubt you contacted cobb. If you read the map notes it will say a minimum of 91 octane. That means anything more than 91 with that map will be fine. You will see zero gains lose performance by adding meth without a protune. Spend your money on suspension.
Last edited by Brother EddieJ.; 03-24-2014 at 09:35 PM. |
03-24-2014, 08:42 PM | #3 |
Scooby Specialist
Member#: 94350
Join Date: Aug 2005
Chapter/Region:
NESIC
Location: S. Maine
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It wont mess with anything. You will just run richer and have more headroom which you aren't taking advantage of. You will see gains. Above 7 psi is a good plan I think. I'm going to run 2 nozzles, the 2nd activates at 10psi.
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03-24-2014, 09:24 PM | #4 |
Scooby Specialist
Member#: 181617
Join Date: Jun 2008
Chapter/Region:
MAIC
Location: frederick, md
Vehicle:2004 wrx Dom3/IAG built hybrid |
How will running richer make you see gains? The whole point of meth is to raise octane so you can run more timing and boost. Neither of which will be taken advantage of.
Leaner is meaner. |
03-24-2014, 09:33 PM | #5 |
Scooby Specialist
Member#: 181617
Join Date: Jun 2008
Chapter/Region:
MAIC
Location: frederick, md
Vehicle:2004 wrx Dom3/IAG built hybrid |
Please, please read this
http://forums.nasioc.com/forums/showthread.php?t=937176 You MUST tune for it. It's not a plug and play system. Just slapping it on will make afrs dip down lower than 10:1. You will bog and run like crap. |
03-24-2014, 09:34 PM | #6 |
Scooby Specialist
Member#: 322963
Join Date: Jun 2012
Location: upstate NY
Vehicle:04 wrx psm |
Won't see performance gains without a protune but with the water/meth injection it'll help prevent knock though
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03-24-2014, 09:38 PM | #7 |
Scooby Specialist
Member#: 181617
Join Date: Jun 2008
Chapter/Region:
MAIC
Location: frederick, md
Vehicle:2004 wrx Dom3/IAG built hybrid |
The chance of knock when your afrs are below 10:1 is slim to none. Your ecu will see too much fuel not enough air and you will throw a rich cel. You need to tune less fuel with the combo of meth. That's why engines blow when the pump stops working just a little, the ecu sees less fuel, same timing and boost.
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03-24-2014, 10:11 PM | #8 |
Scooby Newbie
Member#: 255841
Join Date: Aug 2010
Location: Fort Huachuca, AZ
Vehicle:2005 WTX STi white |
You could just run straight water until you get a tune for meth and it will also help fight knocking...
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03-25-2014, 04:21 AM | #9 |
Medium Frank
Moderator Member#: 140114
Join Date: Feb 2007
Chapter/Region:
MAIC
Location: Common Sense, VA
Vehicle:2020 Subaru Outback |
Just squirt water directly into the I take manifold.
But you need to research, then if you still want it for a bolt on car you can buy. If you called Cobb they'd tell you professional install with tune. The AP will support any mod combo with a pro tune. |
03-26-2014, 10:53 AM | #10 | |
Scooby Newbie
Member#: 368547
Join Date: Sep 2013
Chapter/Region:
E. Canada
Vehicle:2011 WRX |
Quote:
Running that rich is also not a good thing - I would not do it. |
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03-26-2014, 12:12 PM | #11 |
Scooby Specialist
Member#: 328669
Join Date: Aug 2012
Chapter/Region:
SWIC
Location: Reno, NV
Vehicle:2017 STI Red. Duh |
It would be down right retarded to run meth on an OTS 91 oct map.
You will LOSE power because you will be running SO rich, and you will create more problems from running so rich. Never do anything without a tune. Especially something like water/meth. |
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