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Old 09-13-2012, 10:35 AM   #13426
JourdanWithaU
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2009 Impreza 2.5i 5D
Sunlight Gold Opal

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You're not really taking advantage of the higher octane unless you're tuned for it.
If you're tuned, you can squeeze out about 10-15 hp depending on what kind of fuel you go for.

With the stock tune, bumping up the octane isn't that big of a deal. The ECU will adjusst for it a little bit, but you won't be making much more power. The problem will come when you want to go back to the lower rating. The ECU will have to adjust back to the lower stuff and in that adjustment period, you could experience detonation and knock.

But Will's car is an Australian car, it's most likely that the factory tune is different than what is in the US. Simply because you can buy higher octane fuel in Australia.
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Old 09-13-2012, 10:46 AM   #13427
junior1683
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Sliver

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will your car is amazing! thanks for the extra pics! where did u get that lip?
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Old 09-13-2012, 11:12 AM   #13428
BWX
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Newport Blue Pearl

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Oh maybe he's got a tune, that would make sense.
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Old 09-13-2012, 04:42 PM   #13429
daigledangle8
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SSM

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cleaned up the subie today

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Old 09-13-2012, 04:47 PM   #13430
Himynameisgreg
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'08 DGM 2.5i Sedan
'05 AW STI Track Car

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i've only ever put 91 octane in my car. no reason really. i figure it will protect a tiny bit against detonation when i drive hard and it's usually only ~$2 per tank more than 87
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Old 09-13-2012, 05:06 PM   #13431
scoobyd00d
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Quote:
Originally Posted by daigledangle8
cleaned up the subie today
Looks sick. Where'd you get the STI wing?
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Old 09-13-2012, 05:09 PM   #13432
daigledangle8
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Quote:
Originally Posted by scoobyd00d View Post
Looks sick. Where'd you get the STI wing?
Swapped trunks

Where in CT are you located? On thurs nights at 6 we have a meet in Manchester every week if you interested.
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Old 09-13-2012, 05:10 PM   #13433
scoobyd00d
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Quote:
Originally Posted by daigledangle8

Swapped trunks

Where in CT are you located? On thurs nights at 6 we have a meet in Manchester every week if you interested.
I'm in Danbury. I'm usually still working at 6 but hopefully I'll be able to make it to a few.
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Old 09-14-2012, 11:55 AM   #13434
bidaci
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I tried using higher octane to see if the ecu would adjust for it and make any difference. What I found is my gas mileage went down, my power felt off and I swear my exhaust tone was louder. Now I wanted this to work so the placebo effect would be a positive result but all I got was negatives. I cannot confirm, but I would guess that the ecu can't adjust enough for the higher octane and there wasn't a complete burn in the combustion chamber. This would account for lower power, mileage and increase sound. Just my .02
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Old 09-14-2012, 09:05 PM   #13435
will_kwok
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2009 Impreza RS
OBP

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well for us in Australia the standard fuel is 91, 95 or 98 Octane, in Europe and Japan Octane levels of 100 are not uncommon. Just depends on the country I guess...
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Old 09-16-2012, 05:54 PM   #13436
DexteRS
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Location: Akron
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2008 2.5i Sedan
DGM

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I've never contributed any of my cars, just lurked and comment every once in a great while.

Here was my first subie. Previous owner did everything you see to the car(purple tint , msr wheels-super light and noticeable in acceleration i have to say, CF trunk and hood, smoked tails, 4 piece bolt-on ground effects kit-, and some loud-ass cbe)

I didn't have the money to change much, but i took off the body kit, I added Kartboy solid front endlinks and was going to order a better rear swaybar. I also put the stock hood back on and did the complete 90k maintenance schedule myself. I ended up trading in the car before I did the rear sway and therefore will be selling the rear kb solid endlinks that I had bought in advance.

Again, I no longer have the car, only kept for about a year, but I will admit it was more fun than my current stock 08 2.5i.

http://i1188.photobucket.com/albums/...DSC_1730-1.jpg

Last edited by DexteRS; 09-16-2012 at 05:59 PM. Reason: Edit: Please restrain your enthusiasm for my awesome plate block technique
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Old 09-16-2012, 09:35 PM   #13437
d.o.b 2.5i
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spark silver

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I want to see more pics of n/a model subies with roof racks. Im deciding on crossbars and a bike rail. I just want a better visual. Thanks
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Old 09-16-2012, 11:27 PM   #13438
KartRacer3
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SSM

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Quote:
Originally Posted by d.o.b 2.5i
I want to see more pics of n/a model subies with roof racks. Im deciding on crossbars and a bike rail. I just want a better visual. Thanks
I'll post up pictures later on my setup. I would definitely recommend sticking with whatever brand for all of the components whichever route you go. I have the oem bars with Yakima front loader bike rack and my biggest gripes are that the accessory doesn't stay secure to the bars with the "universal" Yakima mounts and the crossbars flex way too much.
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Old 09-17-2012, 03:37 AM   #13439
DerO12
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Snowboarding season is around the corner. I defiantly need some roof racks!
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Old 09-17-2012, 06:58 AM   #13440
d.o.b 2.5i
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spark silver

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Thanks KartRacer3 ! I was looking at the oem crossbars, and the subaru bike rack.
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Old 09-17-2012, 07:59 AM   #13441
Eric91Z
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2009 Impreza OBSlow
Steel Silver/Spark Silver

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Quote:
Originally Posted by d.o.b 2.5i View Post
I want to see more pics of n/a model subies with roof racks. Im deciding on crossbars and a bike rail. I just want a better visual. Thanks
I will have to get some pictures up, but I am happy with my setup. I have an '09 OBS with the OEM crossbars. The crossbars are VERY secure with no flex. Running 2 Yakima ForkLift trays and Thule Wheel-On front wheel holders. And modified the Subaru universal mounts so that I could mount a Thule front fairing. Whole setup is very secure and nothing moves around. Actually, when riding season is over I just undo the 4 mounts on the crossbars and remove the entire assembly and hang it up for the winter as a complete unit...
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Old 09-17-2012, 12:49 PM   #13442
fmars62
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anyone got a 08 hatchback with the 04-07 wrx bbs wheels on them? im looking to pick up a pair but i want to see how it will look first.
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Old 09-17-2012, 01:06 PM   #13443
fancyfootwork15
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Quote:
Originally Posted by fmars62
anyone got a 08 hatchback with the 04-07 wrx bbs wheels on them? im looking to pick up a pair but i want to see how it will look first.
I think you are referring to the 04 sti BBS as they were the only year that are 5x100. I would just google 04 BBS 08 wrx. Probably get lots of pics.
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Old 09-17-2012, 01:11 PM   #13444
xidles
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Default 2011 2.5i Impreza Premium

Hi guys

Wonder if you can help me. I would like to know if this set of springs will fit my car. My car is just around 7k miles and would like to have these springs installed.

I am thinking of purchasing these eibach springs. see link below.

Your help will be appreciated.

You can also suggest other brands that will fit my car.

http://www.rallysportdirect.com/Eiba...wering-Springs
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Old 09-17-2012, 01:39 PM   #13445
Digital Dillon
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Obsidian Black Pearl

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Quote:
Originally Posted by xidles
Hi guys

Wonder if you can help me. I would like to know if this set of springs will fit my car. My car is just around 7k miles and would like to have these springs installed.

I am thinking of purchasing these eibach springs. see link below.

Your help will be appreciated.

You can also suggest other brands that will fit my car.

http://www.rallysportdirect.com/Eiba...wering-Springs
They'll fit but, I (as well as most people in this thread) would suggest not putting springs on your stock struts. Get a set of 2009-13 OEM WRX struts or aftermarket struts with lowering springs. The stock struts will blow out real fast
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Old 09-17-2012, 01:40 PM   #13446
Digital Dillon
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Quote:
Originally Posted by fmars62
anyone got a 08 hatchback with the 04-07 wrx bbs wheels on them? im looking to pick up a pair but i want to see how it will look first.
Not a hatch but here's my car:
Tires are 235/45 so they look pretty close to the fender lol.

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Old 09-17-2012, 02:01 PM   #13447
NutWagon
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06 Impreza 2.5I

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Quote:
Originally Posted by daigledangle8 View Post
cleaned up the subie today

Nice car. Wut type of fogs are they. Mine didnt come with some. N i really like urs.
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Old 09-17-2012, 08:34 PM   #13448
KartRacer3
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SSM

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Quote:
Originally Posted by d.o.b 2.5i View Post
Thanks KartRacer3 ! I was looking at the oem crossbars, and the subaru bike rack.
Not the greatest of pictures but Im sure youll get the idea.
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Old 09-17-2012, 11:57 PM   #13449
d.o.b 2.5i
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spark silver

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Quote:
Originally Posted by KartRacer3 View Post
Not the greatest of pictures but Im sure youll get the idea.
Thank you ! What Bike rack is that tho?
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Old 09-18-2012, 12:09 AM   #13450
KartRacer3
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SSM

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Quote:
Originally Posted by d.o.b 2.5i View Post
Thank you ! What Bike rack is that tho?
No problem. It's the yakima Highroller.
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