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03-09-2010, 11:41 PM | #1 |
Scooby Newbie
Member#: 190292
Join Date: Sep 2008
Chapter/Region:
RMIC
Location: Colorado
Vehicle:2005 stage II wrx CGM |
Help me build a fun 2 liter
So as of right now, i have a TBE, catless uppipe, and an xpt reflash. I am looking for something with a little more spunk but not huge huge numbers. I love my quick spool and would love to keep that factor. I will be running a custom tune, so e85 is not really an option.
I was thinking of a larger top mount, a spt short ram, and turbo inlet, with the grimmspeed ebcs, and possbily larger injectors and fuel pump, then hoping to run like 20 pounds out of my td04. Option 2, send out my old td04 to be rebuilt and made into the td04-19t with all the supporting mods mentioned above. Or just going with a vf series possibly port and polishing it on top of all these mods listed. I am open to suggestions, but please dont mention 18/20g's, and this will be an on going project but i was looking for options. Thanks
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03-09-2010, 11:58 PM | #2 |
Scooby Newbie
Member#: 170973
Join Date: Feb 2008
Location: nashville
Vehicle:2004 WRX 4EAT PSM |
You won't see more than about 15-20whp more if you max out the TD04. You'll definitely need a fuel upgrade to do it. Also....if your running a custom tune, won't E85 be a really good option? With a bunch more mods like you mentioned you'll really be able to increase the mid range torque by a lot.
The 19T is a good upgrade, but depending on how you do it, it might just be better to get a small 16G. The decision you have to make, is how much low end torque are you willing to give up? |
03-10-2010, 12:01 AM | #3 |
Scooby Specialist
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MWSOC
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Vehicle:98 v9 RSTI 207 + rotated 30r |
vf22 or td05 (small) 16g. You wont notice a huge difference in spool
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03-10-2010, 12:24 AM | #4 |
Scooby Newbie
Member#: 170973
Join Date: Feb 2008
Location: nashville
Vehicle:2004 WRX 4EAT PSM |
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03-10-2010, 12:56 AM | #5 | |
Scooby Newbie
Member#: 190292
Join Date: Sep 2008
Chapter/Region:
RMIC
Location: Colorado
Vehicle:2005 stage II wrx CGM |
Quote:
And as far as e85, yes its a great idea. However, my drive to the gas station that sells it is probably not worth running it, and i dont know if i'd want to run e85 all the time. I wont be using an accessport, so i would not be able to just switch maps for that. |
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03-10-2010, 02:40 AM | #6 |
Scooby Newbie
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Join Date: Jun 2009
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SCIC
Location: Oceanside, CA
Vehicle:2005 WRX wagon WRB Cobb Stage 2 OTS |
I've heard good things about the 19t upgrade. Thinking about doing it myself when the time comes. There is a good thread on hear about that turbo. It works really good with the 2.0l because of the lack of low end torque compared to the 2.5l. I don't know much about the td-05 that blouchturbo also has, but that maybe an option too...
I think any bigger and you will be looking at major boost lag. On that thread about the 19t some people were saying they hated their 16g and loved the 19t. Definetly get a bigger tmic. Used STi ones on here are around $300. Another thing I did that I love is the Perrin lightweight crank pulley. It smoothed out the revs and made it rev a bit faster. Good luck! |
03-10-2010, 09:19 AM | #7 | |
Scooby Newbie
Member#: 170973
Join Date: Feb 2008
Location: nashville
Vehicle:2004 WRX 4EAT PSM |
Quote:
it is POSSIBLE to pull 250whp from the TD04 with tons of mods and E85. However it will be much less efficient. Peak torque on such a setup will be in the neighborhood of 3500 RPM, and peak HP around 5500 RPM. (falling off quick towards redline). You'll spend as much, if not more, to max out the stock turbo, then you would with just basic mods and a small 16G. |
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03-10-2010, 10:55 AM | #8 |
Scooby Guru
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Join Date: Jan 2001
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MWSOC
Location: St. Paul, MN
Vehicle:MY99 GF4 JDM 6spd NF Performance |
You should grab a 6spd. That will make the 2.0L more lively. Stock WRX gears are long enough.... A simple 2.5RS tranny or the shorter 5th gear Outback NA tranny brings the car to life; swapping the rear diff to match the 4.111 tranny as well.
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03-10-2010, 04:40 PM | #9 |
Big Ron
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http://forums.nasioc.com/forums/show....php?t=1287005 copy this mod path as close as you can. BE SURE to include the smallest diameter tires you can as this changes your final drive for the better.
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03-10-2010, 05:02 PM | #10 |
Scooby Specialist
Member#: 118566
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Location: Seattle
Vehicle:2005 WRX OBP |
What are the ratios in an RS transmission? I've read the Legacy 1st and 2nd are better than the WRX so I was planning on swapping those in if my tranny eats it. But if there's a whole trans out there that is better, I'm down for that too.
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03-10-2010, 05:40 PM | #11 | |
Scooby Guru
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Quote:
http://forums.nasioc.com/forums/show....php?t=1689781 The 2.5RS gears and the other NA trannys are not going to be any stronger. However the ratios are what move the car. There are a handful of NA trannies. It's just that with more power and torque, they are not going to hold. I broke the NA trannies I had. The engine put out approx 270wtq/280whp held by by an ACT HD clutch kit (sprun 6puck). Broke a '00 RS tranny, '00 OBS 5spd, '93 AWD Legacy 5spd, then currently running my JDM DCCD 6spd. The '03 WRX runs the '97 Outback with a unsprun 6puck. I am wondering how long it's going to hold. The car will attend a few autoX's this year for kicks and giggles. If dragging I know it'll break sooner or later. I would actually like to have a FXT tranny with the 4.444 and install STi RA gears on it to get the short ratios. However this 6spd is so awesome! I really like the DCCD system, which is much better than the weak VLSD center diff. |
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03-10-2010, 11:20 PM | #12 |
Scooby Newbie
Member#: 190292
Join Date: Sep 2008
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RMIC
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Unabomber, thank you much. I found that thread a while back and could not remember where it was. That looks like a very fun setup! Didn't you end up going with a new setup though? Like a 16g or something?
And i have seen the 2 threads on the 19T thats where i got the idea from actually. This route seems more logical than the 16g for my goals. |
03-11-2010, 03:39 AM | #13 |
Scooby Specialist
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AKIC
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Vehicle:02 Old but tasty SRP |
I can attest to the pnp Td04 at 20 psi being an absolute giggle inducing DD hilarious fun especially in a stock look wagon.
Throw in a GrimmSpeed EBCS too. |
03-11-2010, 02:51 PM | #14 |
NASIOC Vendor
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MWSOC
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Vehicle:2020 STI, 2022 WRX |
A BCS + tune + 16g/vf39/34/22 any of those "smaller" turbo upgrades will get you where I think you are wanting to go. As stated before fuel will be absolutely necessary in this case.
Will |
03-11-2010, 04:51 PM | #15 |
Scooby Newbie
Member#: 190292
Join Date: Sep 2008
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RMIC
Location: Colorado
Vehicle:2005 stage II wrx CGM |
I'm planning on running your (Grimmspeed) ebcs, a 255 fuel pump. A sti top mount and spt intake with turbo inlet. So yea i am still deciding on the turbo i want to do. I assume thats going to dictate the injectors i should use?
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03-12-2010, 10:44 AM | #16 | |
NASIOC Vendor
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Quote:
Will |
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