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09-05-2006, 12:56 PM | #1 |
Scooby Newbie
Member#: 112348
Join Date: Apr 2006
Vehicle:2005 wrx its as black as the night |
gas mileage...?
I have an 05 wrx and right now i have uppipe intake downpipe and exhaust, and my gas mileage seems bad but i was just wondering what other people with similar mods are getting...So list what mods u have and about what gas mileage u think ur getting thanks.
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09-05-2006, 01:13 PM | #2 |
Scooby Newbie
Member#: 74500
Join Date: Nov 2004
Chapter/Region:
SCIC
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Search button is your friend
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09-05-2006, 01:19 PM | #3 | |
Scooby Newbie
Member#: 55878
Join Date: Feb 2004
Chapter/Region:
SCIC
Location: Back in OC again!
Vehicle:0313 GR LTD & GD SDN SWP / PSM |
Quote:
Ditch the intake if your not already tuned for it... and like before...get some form of Tuning (cobbAP/utec/XXX) if you don't already. I used to have an AEM CAI... I noticed my mpg were down around 9-10 city 13-16 hwy... now I'm AP stg1 w/stock intake. I get 14-17 mpg city, 22-25 highway.) This topic has been done to death. So ya... I'd search if you need more info. |
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09-05-2006, 01:32 PM | #4 |
Scooby Guru
Member#: 80663
Join Date: Jan 2005
Chapter/Region:
SWIC
Location: Glendale, AZ
Vehicle:2005 STi |
Uh, you need to get EM ASAP. You should be getting in the low 20's.
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09-05-2006, 01:56 PM | #5 |
Scooby Specialist
Member#: 73197
Join Date: Oct 2004
Chapter/Region:
International
Location: Hong Kong
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what are you doing? driving like you stole the damn car? i get 23mpg city and 30 highway on my car with up and downpipe + 3rd cat and no tune! (note, i have 02 wrx)
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09-05-2006, 02:04 PM | #6 |
Scooby Specialist
Member#: 62783
Join Date: May 2004
Chapter/Region:
RMIC
Location: Saudi Aurora, CO
Vehicle:2002 WRX Midnight Black Pearl |
02 wrx cobb stage 2. 27 mpg mixed driving.
josh |
09-05-2006, 02:31 PM | #7 |
Scooby Guru
Member#: 86322
Join Date: May 2005
Chapter/Region:
MWSOC
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05 wrx with catless up-pipe/dowpipe and catback with cobb stage 2. i get about 26 mpg mixed driving. usually around 350 miles on a full tank ~13 gallons.
-check tire pressure -clean air filter -basic maintenance stuff |
09-05-2006, 02:45 PM | #8 |
Scooby Specialist
Member#: 118922
Join Date: Jun 2006
Chapter/Region:
MAIC
Location: Baltimore
Vehicle:2007 Doggy Doo Sno-cone |
Does the COBB stage 1 and 2 inprove gas mileage? It seems like more HP and getter MPG would be counter-intuitive
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09-05-2006, 02:46 PM | #9 |
Scooby Guru
Member#: 86322
Join Date: May 2005
Chapter/Region:
MWSOC
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not always; too a certain point...i've tried cobb's economy map and gas mileage was worse and the car seemed to choke with such little boost.
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09-05-2006, 02:50 PM | #10 |
Scooby Specialist
Member#: 73197
Join Date: Oct 2004
Chapter/Region:
International
Location: Hong Kong
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well with freer flowing exhaust...or leses cats, engine dont have to work as hard to get the same performace...leading to high gas milage...at least that how i understand it.
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09-05-2006, 02:55 PM | #11 |
Scooby Specialist
Member#: 57169
Join Date: Mar 2004
Chapter/Region:
NWIC
Location: Maple Valley, WA
Vehicle:2002 WRX (MBP) 07 Tacoma; 96 Impreza LX |
I've got a pde up-pipe, hks down-pipe, CAI, no tuning, and get any where from 24 to 29 in mixed driving. Even driving the hell out of it in Glacier Park last month, I still got 24 mpg.
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09-05-2006, 03:14 PM | #12 | |
Scooby Guru
Member#: 118209
Join Date: Jun 2006
Chapter/Region:
MWSOC
Location: North Dakota
Vehicle:2015 WRX Limitec |
Quote:
depends on how you make the horsepower. if you are getting that by adding more fuel and air, then yup, it will suffer. if you gain HP by increasing efficiency (better air/fuel ratio), then you are going to get better mileage with more power. An AP does both. |
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09-05-2006, 04:44 PM | #13 | |
Scooby Newbie
Member#: 55878
Join Date: Feb 2004
Chapter/Region:
SCIC
Location: Back in OC again!
Vehicle:0313 GR LTD & GD SDN SWP / PSM |
Quote:
If I stay out of boost I can get better MPG I'm sure... But in the rat race that is getting to and from my work. It's either save 2-3 mpg and get to work in 15 min. Or lose 2-3 mpg and get to work in 5 min... (not even kidding...) It's only 3 miles to work, but we have 10 signal lights in those 3 miles. |
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09-05-2006, 05:09 PM | #14 |
Scooby Newbie
Member#: 112348
Join Date: Apr 2006
Vehicle:2005 wrx its as black as the night |
so u guys think its because i dont have a tune...
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09-05-2006, 06:31 PM | #15 |
Scooby Specialist
Member#: 73197
Join Date: Oct 2004
Chapter/Region:
International
Location: Hong Kong
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no..you should get a tune because of the year of your car! its unsafe to run your car without any EM.
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09-05-2006, 07:15 PM | #16 |
Scooby Newbie
Member#: 112348
Join Date: Apr 2006
Vehicle:2005 wrx its as black as the night |
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09-05-2006, 09:00 PM | #17 |
Scooby Specialist
Member#: 118922
Join Date: Jun 2006
Chapter/Region:
MAIC
Location: Baltimore
Vehicle:2007 Doggy Doo Sno-cone |
WHat do you mean by "it does both"? Better fuel/air ratio, or more fuel/air.... or of course, both?
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09-05-2006, 09:21 PM | #18 | |
Scooby Newbie
Member#: 55878
Join Date: Feb 2004
Chapter/Region:
SCIC
Location: Back in OC again!
Vehicle:0313 GR LTD & GD SDN SWP / PSM |
Quote:
http://forums.nasioc.com/forums/forumdisplay.php?f=80 and here... www.cobbtuning.com |
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09-05-2006, 09:25 PM | #19 |
Scooby Newbie
Member#: 55878
Join Date: Feb 2004
Chapter/Region:
SCIC
Location: Back in OC again!
Vehicle:0313 GR LTD & GD SDN SWP / PSM |
Usually power is made by leaning out the mix. (Hence more boost = more power....usually) More effecient combustion would mean more power, and less fuel and air used. But this leads to an increase in stress on the internals. (and don't forget timing...)
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09-05-2006, 09:47 PM | #20 |
Scooby Newbie
Member#: 112348
Join Date: Apr 2006
Vehicle:2005 wrx its as black as the night |
ok so all in all what im asking is why am i getting such bad gas mileage
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09-05-2006, 11:20 PM | #21 |
Scooby Specialist
Member#: 34204
Join Date: Mar 2003
Vehicle:2004 WRX WR Blue |
You didn't say how bad your gas mileage was? I get about 20 mpg mainly city driving...
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09-05-2006, 11:24 PM | #22 |
Scooby Specialist
Member#: 92599
Join Date: Aug 2005
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I was getting 23 city 25 highway then i put a header/up pipe combo and a 3 inch catless turbo back and my mpg went to 25-26city and 28-30 hwy depending on how i drive. That must suck for you guys.
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09-06-2006, 11:12 AM | #23 |
Scooby Newbie
Member#: 112348
Join Date: Apr 2006
Vehicle:2005 wrx its as black as the night |
well lets put it like this i went 30 miles on a quater tank...im pretty sure thats not normal
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09-06-2006, 11:25 AM | #24 |
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