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01-03-2010, 12:47 AM | #1 |
Scooby Newbie
Member#: 222047
Join Date: Aug 2009
Chapter/Region:
RMIC
Location: Cheyenne,Wy
Vehicle:2006 Impreza Outback twotone green/grey |
wrx swap sleeper or sleeper n/a with enigne work???
hey i have an 06 impreza outback sport and i have been debating on doing a wrx swap with a front mount to not have a big hood scoop or doing engine work on my n/a to keep it not boosted. i have been researching these threads and seeing what can be done to a non boosted car, and how much power can still be gained. but i also do love the idea of having a wrx engine with a less gaudy front mount so that its not obvious it is boosted. it is the two-tone green/ gray with windows an tailights blacked out, about to have black wheels, and to be painted all green. so it is kinda tunerish, but still doesn't have tuner body kit or anything like that, its just clean. so i dont know if the wrx would make it better, or stick to original engine? please help, any opinions would be helpful.
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01-03-2010, 09:52 AM | #2 |
Scooby Specialist
Member#: 104821
Join Date: Jan 2006
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South East
Location: eastern, NC
Vehicle:2017 Forester LTD Red |
budget and goals?
FMIC setup simply costs more. |
01-03-2010, 10:32 AM | #3 |
Scooby Newbie
Member#: 180673
Join Date: May 2008
Location: Hattiesburg, MS
Vehicle:02 WRX Wagon Custom Road Tuning by me. |
WRX swap and make it look stock!
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01-03-2010, 11:15 AM | #4 |
Scooby Guru
Member#: 115154
Join Date: May 2006
Chapter/Region:
MWSOC
Location: NYC
Vehicle:2005 Outback XT White on grey |
In my case, I wouldve had to purchase a new hood w/ scoop and have it painted; it would have cost a little more than having the wrx FMIC kit installed, so I went with the latter...
You could get used wrx hoods for cheap so I guess you wouldn't run into the same problem, but I do enjoy not having to deal with the issues of running TMIC or a hoodscoop (no heatsoak, not being lobed into the wrx/sti crowd, etc). |
01-03-2010, 01:09 PM | #5 |
Scooby Newbie
Member#: 222047
Join Date: Aug 2009
Chapter/Region:
RMIC
Location: Cheyenne,Wy
Vehicle:2006 Impreza Outback twotone green/grey |
my budget at first would be around 2 or 3 grand, but i would be doing all the work myself and i work at advance auto, so i can order a lot of parts either way to build it up halfway decently. but ya either way i am even leaving on even all the impreza outback sport emblems, with nothing wrx on it at all, maybe just interior set. and i would want to stay away from hood scoop, so first glance it doesn't look turboed. thanks for the good replies!
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01-03-2010, 01:50 PM | #6 |
Scooby Specialist
Member#: 187179
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MAIC
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Vehicle:14 STi Cocain |
sti swap, low key fmic,
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01-03-2010, 05:02 PM | #7 |
Scooby Newbie
Member#: 222047
Join Date: Aug 2009
Chapter/Region:
RMIC
Location: Cheyenne,Wy
Vehicle:2006 Impreza Outback twotone green/grey |
ya sti would be the ideal way, but not enough funds for that swap. trust me, would if i could. but i have kinda been thinking about doing a lot of n/a work to the motor, but eventually throwin on just a little boost- like 6 psi- for that extra little push. i was thinkin machine work, pulleys, flywheel, msd ignition, good wires n plugs, cold air, etc and then a small turbo, like a little 16g just for that little extra of top end push. any thoughts?? positive and negative both welcome just throwin out ideas. thanks again,
-shade |
01-03-2010, 05:21 PM | #8 |
Scooby Newbie
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Join Date: Dec 2008
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what about cams?
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01-03-2010, 07:27 PM | #9 |
Scooby Specialist
Member#: 161832
Join Date: Oct 2007
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Tri-State
Location: PA
Vehicle:2000 Outback Limited Black |
The AVO turbo kit runs 6psi and adds about 85hp. Costs about $3000, which is ur budget. U can throw one together ur own kit for cheaper probably. U can also look into cams and head work, but won't get as much power. People put scoops on N/A's and tmic's have better spool rates than fmic's. It is ur choice. Good luck.
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01-03-2010, 07:32 PM | #10 |
Scooby Specialist
Member#: 151079
Join Date: Jun 2007
Chapter/Region:
MAIC
Location: College Park, MD
Vehicle:2005 2.5RS RBP too many friction losses |
Be wary of running a turbo on a stock NA block; it won't last as long relatively speaking to the life expectancy of an NA engine.
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01-03-2010, 08:27 PM | #11 |
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Raptor supercharger is very stealthy, installs in a couple hours, and you can return to stock and sell the kit if you get rid of the car.
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01-03-2010, 11:51 PM | #12 |
Scooby Newbie
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RMIC
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Vehicle:2006 Impreza Outback twotone green/grey |
does anyone have any good suggestions for where to send cams?? thanks again, and iv e read that the stock blocks are capable of holding 8 or so psi, but i was going to be safe with 5 or 6, any other knowledge what they can hold? -Shade
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01-04-2010, 11:22 AM | #13 |
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delta.
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01-04-2010, 12:10 PM | #14 |
Scooby Specialist
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Join Date: Jun 2007
Chapter/Region:
MAIC
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Vehicle:2005 2.5RS RBP too many friction losses |
It's not a question of what they can hold but how long it takes before they go pop, which is completely variable and in no way predictable.
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01-04-2010, 01:18 PM | #15 |
Scooby Newbie
Member#: 222047
Join Date: Aug 2009
Chapter/Region:
RMIC
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Vehicle:2006 Impreza Outback twotone green/grey |
ya i guess that true. so if i did cams, ignition, pulleys, flywheel, some machine work, and a really good tuning software, would i be able to gain a major noticable difference? cuz i do want something original that nobody else has. and does anybody have any experience with a good tuning software that i can map out everything? thanks, -shade
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01-04-2010, 02:40 PM | #16 |
Scooby Specialist
Member#: 151079
Join Date: Jun 2007
Chapter/Region:
MAIC
Location: College Park, MD
Vehicle:2005 2.5RS RBP too many friction losses |
Oh yeah, you can get great power with cams, but cams are a trade off upgrade. You'll gain top end but lose low end.
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01-04-2010, 08:17 PM | #17 |
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Another option is supercharge it, with a non-intercooler kit, no need for a scoop. They won't know whats coming, sleeper. But you will need deep pockets.
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01-04-2010, 08:43 PM | #18 |
Scooby Newbie
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01-04-2010, 08:45 PM | #19 |
Scooby Specialist
Member#: 151079
Join Date: Jun 2007
Chapter/Region:
MAIC
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Vehicle:2005 2.5RS RBP too many friction losses |
If you're gonna turbo.. do it right and swap.
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01-04-2010, 09:50 PM | #20 |
Scooby Specialist
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Vehicle:2000 Outback Limited Black |
Turbo on N/A with 6psi and a good tune will be fine.
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01-04-2010, 09:59 PM | #21 | |
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Vehicle:2014 Crosstrek Orang-u-glad I didn't say |
Quote:
Not that it matters now though as your thread will soon be yet another endless debate as to whether the N/A block can handle boost. If you are even remotely considering the AVO kit, stop, do alot of research, take out a wad of cash from your wallet, and build the motor to support it. |
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01-05-2010, 12:00 AM | #22 |
Scooby Newbie
Member#: 54702
Join Date: Feb 2004
Chapter/Region:
MWSOC
Location: Chicago area
Vehicle:2000 impreza 2.5rs brp |
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01-05-2010, 12:46 AM | #23 | |
Scooby Specialist
Member#: 187834
Join Date: Aug 2008
Vehicle:06 2.5i impreza Red |
Quote:
Right now my 06 2.5i has lw crank pulley, injen CAI, Accessport(with agressive throttle mod, rallitek shortshifter, megan racing track coilovers,whilte line struts and end links, hks high power catback..the car is very fun to drive and feels nothing like stock and power gets to the ground with the coilovers no forward or back weight shifting. Its up too you the skys the limit just realize if you don't like the hassle of working on motors or cars or bikes(got me gixxer too) then have a shop swap and enjoy it like that.. but you'll get use too it and then want more... |
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01-05-2010, 05:53 AM | #24 |
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Vehicle:2004 Forester STI Silver |
The only way to make a NA a sleeper is to turn it into a race engine. However, the 1.5k idle and lumpy sound might give something away.
Otherwise turbo it if you want to make serious power. Swap is the most cost effective. With your NA, you'd have to do a full internal rebuild to support forced induction because the stock parts will wear very fast and break in a short time frame. Our NA engines are built "just strong enough." Swap in a turbo engine and save yourself a lot of hassle. If you happen to have $5k to $10k burning a hole in your pocket, you could build up a race spec NA engine that could quite readily put out upwards of 250whp plus if built right and allowed to rev high enough. However, you're pretty much modifying or replacing about every part on the engine to do so. It takes a lot of work to make an engine originally geared for low to midrange torque to make the torque way up top instead and survive it. You'll still only see 140-150 lb-ft on the dyno like a lightly modified NA does already, but it'll be up at 6, 7, 8k rpm instead instead of 3, 4, 5k rpm. It'll most likely take race fuel or at least E85 to let you get enough compression and timing to get the torque high enough to actually make 300hp at the crank. On pump gas, 250hp at the crank is realistic for a high revving design unless you intend to rev the hell out of it. Drivetrain gearing becomes an issue too once you change the power band around. The short of it is forced induction is a much easier way to make big power and simple turbo swapping puts the power where you want it. This isn't to say a high revving NA design wouldn't be fun. It's simply not cost effective or practical versus FI. It's the sort of design you do as an engineering experiment and when you actually have a big wad of cash you don't know what to do with. |
01-05-2010, 11:23 AM | #25 |
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