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04-20-2009, 11:02 AM | #1 |
Scooby Newbie
Member#: 209142
Join Date: Apr 2009
Location: Fort Lauderdale, Florida
Vehicle:2015 STI WRB |
2009 Impreza 2.5i Conversion wrx engine swap?
Hey all,
I am new to nasioc and a proud new owner of the 2009 impreza. I was actually in the market for a new Wrx but I just did not have the mooolah to afford one :P. I am mostly trying to go for performance and have been reading and looking around about how to do work on my impreza. Some have suggested to wait and trade it in but the only issues I have with that is being able to find a nice in good shape wrx . Also the fact that I drove this car off the lot with 12 miles . Some have also said to drop a wrx engine into it since that engine is already turboed and im sure that mounting that engine into it would be fairly identical? Would that make more sense than just boosting the current engine or are they two different motors? Sorry for all the newbie questions im still reading and learning a little more about them but any help, opinions, suggestions about how to go about it would be greatly appreciated! also wanted to add it: I could swap like a 08 or 07 motor ? Thanks, Alex
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Last edited by bushwahkhan; 04-20-2009 at 06:22 PM. |
04-20-2009, 07:56 PM | #2 | |
Scooby Specialist
Member#: 135885
Join Date: Dec 2006
Chapter/Region:
MWSOC
Location: Fort Wayne, IN
Vehicle:2018 WRX Pearl White |
Quote:
ALSO: fill out your profile! |
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04-21-2009, 04:21 PM | #3 | |
Scooby Newbie
Member#: 209142
Join Date: Apr 2009
Location: Fort Lauderdale, Florida
Vehicle:2015 STI WRB |
Quote:
Thanks I will. Gotcha :/....well....at first I was trying to find a used wrx from a dealership so I could finance but I could not find anything....Im afraid that im not going to be able to find anything if I do decide to trade it in......any suggestions? |
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04-21-2009, 04:46 PM | #4 |
Scooby Guru
Member#: 98961
Join Date: Oct 2005
Chapter/Region:
MAIC
Location: NOVA
Vehicle:2003 WRX Black |
Buy an older STI for the same price or less? The problem is you're already locked into this Impreza, if you don't keep it 3 years, you'll lose your shirt. You're probably underwater on it 2-4 grand at this point (meaning it's worth less than you owe on it). If you engine swap it, it'll be worth even less. Hell, just kiss the warranty goodbye and any resale too.
I think a non-turbo impreza could be fun to mod. Wheels/Tires/Brakes and suspension. All the good stuff will fit. |
04-21-2009, 06:19 PM | #5 | |
Scooby Newbie
Member#: 209142
Join Date: Apr 2009
Location: Fort Lauderdale, Florida
Vehicle:2015 STI WRB |
Quote:
Also, just a thought, someone had suggested just going all motor as in no turbo but putting in intake, exhaust, and headers.....but aren't ej motors meant to be turboed? ~Alex |
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04-21-2009, 07:22 PM | #6 | |
Scooby Guru
Member#: 832
Join Date: Jan 2000
Chapter/Region:
RMIC
Location: Teh Ghetto Garage, CO
Vehicle:99 2.5RS, '85 911 '73 914 and 2012 BRZ |
Quote:
And fill in your profile before you post again. You keep saying you couldn't find a WRX but we don't even know where the hell you live. If you had shown a little patience people here on NASIOC could help you find a used WRX or STi. They aren't that rare and even if you live somewhere where there are ZERO cars for sale one way airfare is cheap these days. Paying $150-200 on a flight to go somewhere else and buy the right car to drive home is not a major undertaking. That's where NASIOC locals come in. People will inspect cars for you and help you not get ripped off before you buy the plane ticket. There's lot's of ways out of the box you are in... |
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04-22-2009, 12:15 AM | #7 | |
Scooby Guru
Member#: 98961
Join Date: Oct 2005
Chapter/Region:
MAIC
Location: NOVA
Vehicle:2003 WRX Black |
Quote:
Lets say tomorrow the dealer got a 04 STI on trade. He's paying 12-15K (I didn't look it up) for it and is going to turn it around for 21-22K. Lets say you want to buy it. You can trade in your car and pay the dealer another 4K to cover the loan (Loan amount - what the car is worth = cash you have to pay out), then you have to get a new loan for 21-22K to buy the STI. You might be able to roll the negative equity into the new loan, but, then you're paying 25K for an STI that's worth 21 and you're in the hole again. If you bought the car with cash, this is a non-issue. You trade it in, eat the 4K loss in value and buy the STI. |
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04-22-2009, 05:49 AM | #8 |
Scooby Specialist
Member#: 17548
Join Date: Apr 2002
Location: Land of No Turn Signals
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Since you are new to Subarus, then it is probably a good thing you got a 2.5i. It is a good car to start off with for learning the handling characteristics of the Impreza platform before stepping up the power. Try checking out your local autocross events and try your hand at it for a while. It will improve your driving skills and give you a better idea as to how you would like to modify your car. Start off with some better tires and go from there. Don't put yourself in major debt by trading your car in right away. Just stick with what you've got for a few years and you will be glad you did.
Also, whomever is giving you advice on modifying your brand new car does not have your best interests in mind. Mod-friendly dealerships are few and far between. Even basics mods can lead to denied waranty claims and leave you stuck with costly repair bills. Mick |
04-22-2009, 10:59 AM | #9 | |
Scooby Newbie
Member#: 209142
Join Date: Apr 2009
Location: Fort Lauderdale, Florida
Vehicle:2015 STI WRB |
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04-22-2009, 11:06 AM | #10 | |
Scooby Newbie
Member#: 209142
Join Date: Apr 2009
Location: Fort Lauderdale, Florida
Vehicle:2015 STI WRB |
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04-22-2009, 11:30 AM | #11 |
Scooby Guru
Member#: 98961
Join Date: Oct 2005
Chapter/Region:
MAIC
Location: NOVA
Vehicle:2003 WRX Black |
Do what makes you happy. I wouldn't let $2K stand between me and happiness but, not everyone's that way. I'm not saying don't do it, I'm just explaining why a trade-in right now will be more costly than you might expect.
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04-22-2009, 02:27 PM | #12 | |
Scooby Guru
Member#: 832
Join Date: Jan 2000
Chapter/Region:
RMIC
Location: Teh Ghetto Garage, CO
Vehicle:99 2.5RS, '85 911 '73 914 and 2012 BRZ |
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04-22-2009, 02:39 PM | #13 |
Scooby Specialist
Member#: 3362
Join Date: Dec 2000
Location: Central NJ
Vehicle:2001 I've wired a Few cars in my day |
Don't bother swapping the car. You'll get even less for it in a year or two when you are tired of it. Stick to bolt on upgrades that you can take off later on down the road. Save your $$$, trade it in and then get a WRX or STi.
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04-28-2009, 03:45 PM | #14 |
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Member#: 33458
Join Date: Feb 2003
Chapter/Region:
Tri-State
Location: PA
Vehicle:Your BOV sounds lame 93 RX7+09 Forester |
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10-15-2009, 08:52 PM | #15 | |
Scooby Newbie
Member#: 220861
Join Date: Aug 2009
Chapter/Region:
SCIC
Location: Lancaster, CA
Vehicle:2009 2½i N/A Sedan DMG |
Quote:
? did u get the 2.5i premium? becuase i got mine 17,495 out the door. went thru costco but then the guy just said he'd sale it from the base price instead cuz thru costco it would take a couple days and bout 200bucks for costco.. And HOW does it get wrx power complete engine?!?!?! is the money spent on doing it worth it tho? |
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10-15-2009, 11:00 PM | #16 | |
Scooby Newbie
Member#: 225500
Join Date: Oct 2009
Chapter/Region:
SCIC
Location: Chino, Long Beach CA
Vehicle:2013 WRB WRX Sedan 11 Mazda 2 |
Quote:
From what i read, a stock WRX will dyno @ roughly 170WHP where the stock 2.5i will dyno @ around 125whp. Taking stock weights in mind they said getting our 2.5i's to roughly 150WHP will net us the same power:weight ratio needed to equal the WRX power:weight. So from what i read, doing an intake/header/exhaust/pulley and EM will get us close to 150WHP. And please do read more in the N/A sections. If you decide just to buy an intake and slap it on without any tuning, i've read that it can make you run REALLY lean which will lead to pinging and predet which will eat the non-forged pistons we have in the 2.5i. It is said that due to emissions, the engines on the 2.5i's run a little bit on the lean side already so while adding an exhaust won't prove to be detrimental to you, i believe that adding an intake without proper tuning over the long run will have you winding up in tears over a blown motor. Last edited by shaowQ; 10-15-2009 at 11:09 PM. |
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10-16-2009, 12:09 PM | #17 |
Scooby Newbie
Member#: 220861
Join Date: Aug 2009
Chapter/Region:
SCIC
Location: Lancaster, CA
Vehicle:2009 2½i N/A Sedan DMG |
i applaud you. that was one of the most well put explainations i've heard over all my research since august when i got my 09 impreza.
lol. |
10-16-2009, 01:50 PM | #18 |
Scooby Newbie
Member#: 220861
Join Date: Aug 2009
Chapter/Region:
SCIC
Location: Lancaster, CA
Vehicle:2009 2½i N/A Sedan DMG |
I don't really know where this question would be posted but how much do any of you think our flywheel weighs? 09 impreza sedan 2.5i.
And if we were to upgrade to a leighter one how much whp would we get? or where can i post this to get more accurate answer if not here? |
10-16-2009, 07:07 PM | #19 | |
Scooby Newbie
Member#: 225500
Join Date: Oct 2009
Chapter/Region:
SCIC
Location: Chino, Long Beach CA
Vehicle:2013 WRB WRX Sedan 11 Mazda 2 |
Quote:
a lighter flywheel doesn't necessarily net you more WHP. What it allows you to do is go through your RPMs faster. Because a lightwheel flywheel is well...lighter than your OEM flywheel, there is less rotational mass associated with it. Meaning...because it's lighter, it's easier to turn/push/throw/pull(however you wanna see it) your flywheel. My example would be(TOTALLY HYPOTHETICAL), lets say you floor it in 3rd gear and it takes you 10 seconds to take you from 30mph in 3rd gear to 90 MPH in 3rd gear. When you install the lightweight flywheel it only takes you 7 seconds. Your power curve should look relatively similar if not identical to your past power curves, but it allows you go through the rpms in a shorter amt of time in order to reach the peak points in yer powerband faster. Some down sides to having a lighter flywheel, is it won't hold inertia as well due to it's lighter weight, so in the normal time it takes you to shift gears right now, lets say 1.5 seconds for you to shift gears, and in that time your rpms would drop from a 4k rpm shift point to 3k rpm originally, now your rpms will be at 2600 in that same 1.5 seconds instead of 3k which is where engine speed is supposed to be at in that gear at that rpm. A stock flywheel is figured out and tuned to your average drivers shift speed. They figure that it takes xxxx number of seconds for the average person to shift, so xxxx weight flywheel will hold enough inertia to keep the flywheel going until you re-engage the clutch for a perfect shift. You change that dynamic with a lightweight flywheel and not much else. |
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10-16-2009, 08:33 PM | #20 |
Scooby Specialist
Member#: 204358
Join Date: Feb 2009
Chapter/Region:
SCIC
Location: Santa Paula, CA.
Vehicle:01 2.5RS W/ EJ257 Black |
You obviously want some speed and don't have a budget. Save your money and get a better car down the road.
Pissing away money on N/A builds just don't pay out like a good turbo build on these boxer engines. Sure you can have a great build for a nominal amount of cash, but get the right engine/turbo and you won't be disappointed. Also have fun with insurance, you're gonna get creamed. you sound young. YOu're gonna get creamed. Save your money, learn as much as you can, THEN get a car that will suit you and your needs. ::cough:: ::cough::: nissan ::cough:: ::cough:: I would stick with AWD if and only IF: A) YOu need it in a colder region of America. B) You stumbled across a CHEAP wrx or RS and had the experience to build it. C) Had the cash to really tune the suspension. This is just me. 2cents. good luck. |
10-16-2009, 08:35 PM | #21 | |
Scooby Specialist
Member#: 204358
Join Date: Feb 2009
Chapter/Region:
SCIC
Location: Santa Paula, CA.
Vehicle:01 2.5RS W/ EJ257 Black |
Quote:
If you really want to pick peanuts out of poop: Any way you can lessen the drivetrain loss on a non-turbo subie is good. As previously stated you won't "gain" HP you'll just loose less. 2cents. |
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10-17-2009, 04:46 PM | #22 |
Scooby Newbie
Member#: 220861
Join Date: Aug 2009
Chapter/Region:
SCIC
Location: Lancaster, CA
Vehicle:2009 2½i N/A Sedan DMG |
look 50cents.
i got my 09 2.5i $17500 +3500 exhuast headers intake tune. with maybe some install labor $21000 for the speed closer to wrx (without sound or look of exhuast & headers) because of power:weight ratio without paying $25000 Im all for it. didn't sound too bad to me...so 4000 bux cheaper i can get it MADE to turbo ready. but having a turbo in the car rapes the wallet for insurance, plus the gasoline it would need and mpg. or i can get sways and suspension still and put sum "funky fresh, sick @$$" wheels. lol. ... and i snow track a lot. awd is awesome. and i think if cared for real well, subaru can last pretty far down the road.. but thanx for being a dick about it. and it sounds like u don't get any hp from a lighter flywheel but if its making any part of the drivetrain lighter with the same engine output, i would think it would improve whp? since hp is less when converted to whp?. Last edited by Subie-Zero; 10-17-2009 at 04:52 PM. |
10-17-2009, 08:16 PM | #23 |
Scooby Newbie
Member#: 226701
Join Date: Oct 2009
Chapter/Region:
NESIC
Location: Waltham
Vehicle:07 impreza silver |
trade in
if one buys a new WRX one would have to pay the government more money in the form of taxes. How would insurence know if you did a swap and got a turbo?
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10-18-2009, 01:26 AM | #24 |
Scooby Newbie
Member#: 220861
Join Date: Aug 2009
Chapter/Region:
SCIC
Location: Lancaster, CA
Vehicle:2009 2½i N/A Sedan DMG |
if anything happens they dont cover you. and then some places check... or could've just been i got the main lady (who had a friend with wrx insured) at the insurance place when i went. lol.
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10-18-2009, 03:38 PM | #25 | |
Scooby Newbie
Member#: 225500
Join Date: Oct 2009
Chapter/Region:
SCIC
Location: Chino, Long Beach CA
Vehicle:2013 WRB WRX Sedan 11 Mazda 2 |
Quote:
For me...we needed a car + i've always wanted AWD...a WRX/STI was never in our budget but we tried, and i found this 08 2.5i premium on special, so i've got the navi, steering wheel controls and such, got it for 18,600, 30 miles on it when it left the lot. I've got a hookup with wholesale pricing @ megan racing and centric/powerslot/stoptech and after i get close to running out the warranty, im gonna go look into the twin scoll turbo from Garage Tuning whom i work 1 block away from. Until then all bolt on, full suspension and exterior mods only. Last edited by shaowQ; 10-27-2009 at 04:01 PM. |
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