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01-24-2011, 10:17 AM | #1226 |
Scooby Newbie
Member#: 246455
Join Date: May 2010
Chapter/Region:
SCIC
Location: CA
Vehicle:2004 WRX Wagon WRB |
The shop that will be tuning the car is telling me that it will pass just fine with the twinscroll setup using just the two o2 sensors in the downpipe and the JDM ECU. My only concern was the visual inspection of the emission control systems on the motor. I dont see a problem with the up pipe not having an EGT in it, since the twinscroll setup is completly covered with factory heat shielding.
Thanks for the input. Tom
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01-24-2011, 05:12 PM | #1227 | |
Scooby Specialist
Member#: 26568
Join Date: Oct 2002
Chapter/Region:
NESIC
Location: Brighton, Mass
Vehicle:2003 Yellow Bugeye Version 8-Vf37 |
Quote:
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01-24-2011, 06:30 PM | #1228 |
Scooby Specialist
Member#: 158579
Join Date: Sep 2007
Chapter/Region:
MWSOC
Location: St. Louis
Vehicle:2006 STI Rally Car Silver |
So I got my v8 STI EJ207 in my car last night. And started piecing together the other bits. Went to bolt on an HKS catted twinscroll downpipe I got for cheap. Turns out that doesn't fit at all with a 5-speed gearbox.
When trying to tighten the DP to the turbo, it lifts the DP up to the point it is jammed hard against the tranny crossmember in the rear. And then cannot tighten the turbo down enough. Will be trying to solve that issue soon... |
01-24-2011, 07:41 PM | #1229 |
Scooby Newbie
Member#: 246455
Join Date: May 2010
Chapter/Region:
SCIC
Location: CA
Vehicle:2004 WRX Wagon WRB |
Has anyone ran a Forced Performance 68HTA turbo on a Version 8 207? I have been kicking around the idea of swapping out the twinscroll setup for a 68HTA turbo. I am thinking of doing this so I don't have to mess with building a custom downpipe or spending a fortune on one either. Also the bigger turbo should help it pull harder to red line.
Thanks Tom |
01-24-2011, 08:05 PM | #1230 |
Former Vendor
Member#: 178047
Join Date: Apr 2008
Chapter/Region:
SWIC
Location: AZ
Vehicle:02 WRX STI Spec C Black |
That would be a horrible idea and a big step back wards man.
C |
01-24-2011, 08:11 PM | #1231 | |
Scooby Specialist
Member#: 26568
Join Date: Oct 2002
Chapter/Region:
NESIC
Location: Brighton, Mass
Vehicle:2003 Yellow Bugeye Version 8-Vf37 |
Quote:
do you have a link to the downpipe in question? Are you sure the turbo is seated properly with the uppipe or uppipe with header, as an improper angle in those locations can cause your issues. |
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01-24-2011, 08:18 PM | #1232 |
Scooby Specialist
Member#: 218435
Join Date: Jul 2009
Chapter/Region:
NESIC
Location: Meriden, CT
Vehicle:2001 RSTi / LGT |
anybody out there have a 207 out of a s202? or is that like impossible to find lol
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01-24-2011, 08:27 PM | #1233 | |
Scooby Newbie
Member#: 176010
Join Date: Mar 2008
Chapter/Region:
South East
Location: Nash, TN
Vehicle:2005 WRX sdn ver8'ed Phat-Tuned RIP Bugeye |
Quote:
Its not that hard or $$ really!! Trust me try the stock twin-scroll before you research an upgrade, its actually a great DD turbo. Quick story, when I first did my swap, I logged the car on Shell 93 and can verify you get way too much knock. Through sharing knowledge and making friends on the site, I was given a several AH581 maps made by Clark. (Hey this is a good ad so) I slightly modified one of those to run safe till I was able to complete my mods and go for my final tune. I can vouch that from my real experience that Clark's advices and tunes are dead on when dealing with these ej207's. |
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01-24-2011, 09:03 PM | #1234 |
Scooby Newbie
Member#: 246455
Join Date: May 2010
Chapter/Region:
SCIC
Location: CA
Vehicle:2004 WRX Wagon WRB |
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01-24-2011, 11:28 PM | #1235 | |
Scooby Newbie
Member#: 246455
Join Date: May 2010
Chapter/Region:
SCIC
Location: CA
Vehicle:2004 WRX Wagon WRB |
Quote:
After thinking about what you have said Clark, I am going to follow your advice. I figure you know what you are talking about seeing how much experience you have had with these JDM 207's. Thanks for your input!!! I just picked up a twinscroll downpipe bellmouth. http://cgi.ebay.com/ebaymotors/Turbo...item2a0cf165fd My plans are to use my existing 3" downpipe, cut the bellmouth off of it and weld the twinscroll one on. I have not decided yet if I am going catted or catless...any one have any opinions on this? Thank you everyone for all the great input!!! Tom |
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01-25-2011, 02:05 AM | #1236 |
Scooby Specialist
Member#: 156973
Join Date: Aug 2007
Chapter/Region:
International
Location: Adelaide, Australia
Vehicle:2002 ADM WRX STi STi Black/Blue |
Grow some ballz and go a GT30 on your EJ207
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01-25-2011, 09:29 AM | #1237 | |
Scooby Specialist
Member#: 158579
Join Date: Sep 2007
Chapter/Region:
MWSOC
Location: St. Louis
Vehicle:2006 STI Rally Car Silver |
Quote:
The turbo, exhaust manifold, and uppipe are all seated properly, as I was able to install all of that on the engine stand before dropping it in the car, and the turbo is properly bolted down. Either way, looking to have this issue solved soon, whether it involves cutting up the DP to make it fit, or just a good ole heat-n-beat method. |
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01-25-2011, 01:57 PM | #1238 | |
Scooby Specialist
Member#: 57156
Join Date: Mar 2004
Chapter/Region:
SCIC
Location: socal
Vehicle:2007 V.8 207 STi Mercedes Polar White |
Quote:
In regard to Scoobystas' situation, you could probably use the crossmembers from the 05-07 wrx's as a cheaper solution to your issue. They are identical to the 05-07 STi crossmembers since they share the same steering rack. I know that it has 6 mounting bolts instead of the 4 mounting point that 04 and below share but you can use just the 4. It is not any less secure because that is how our crossmembers are mounted. The other 2 holes are for hindering lateral movement on the newer racks. I hope that helps |
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01-25-2011, 04:53 PM | #1239 |
Scooby Specialist
Member#: 158579
Join Date: Sep 2007
Chapter/Region:
MWSOC
Location: St. Louis
Vehicle:2006 STI Rally Car Silver |
Very interesting to hear. Was hard to find if anyone had the same issues I did. Figured there HAD to be someone who had.
May still try to cheap out and just bend the DP a bit to fit, but if that isn't successful, will keep that Crossmember information handy. Where did you locate your AVO DP? |
01-25-2011, 06:01 PM | #1240 |
Scooby Newbie
Member#: 129260
Join Date: Oct 2006
Location: Topanga, CA
Vehicle:2002 WRX Wagon PSM |
Do the EJ207's take the same ancillary, radiator, and boost hoses as the EJ205? I'm replacing the motor in my wagon that has 160,xxx miles on it and figured that it would be a good time to replace all the hoses as well but I want to make sure that I get the right ones.
Also, what kind of clutch setups are you guys running? I'm doing a full v7 swap with a JDM 6 speed trans and my immediate goal is 300wtq w/350wtq being the goal down the line. What would some of you guys recommend to get the best bang for your buck? Last edited by Sir Mangina III; 01-25-2011 at 06:19 PM. Reason: I may or may not have posted something stupid for a moment...... |
01-25-2011, 06:20 PM | #1241 |
Scooby Specialist
Member#: 10854
Join Date: Oct 2001
Chapter/Region:
SCIC
Location: Los Angeles, CA.
Vehicle:'02 WRX; '08 OBXT; '08 G37 (S/C'd); '09 XF |
as for a clutch for a V7 JDM 6 speed, i just used a stock '04 STi clutch/flywheel. best driveability, and it'll hold the torque of a EJ207 just fine. reember the V7/8 JDM trannies are the same as the '04 USDM STi trannies, but with shorter 5th and 6th. so if you're looking for parts (gears, short shift kits, tranny mounts, etc.), just look for parts that fit the 04 STi 6 speed.
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01-25-2011, 06:27 PM | #1242 |
Scooby Specialist
Member#: 10854
Join Date: Oct 2001
Chapter/Region:
SCIC
Location: Los Angeles, CA.
Vehicle:'02 WRX; '08 OBXT; '08 G37 (S/C'd); '09 XF |
oh, and as for your first question, the boost hoses should be the same actual hoses, but maybe different length. probably a different restrictor pill in the wastegate hose. not sure about that because i never tried to install my VF37. i also did away with the JDM factory boost control solenoid before it went in the car. but the radiator hoses should fit just fine. and all the electrical stuff plugs right up as long as you have the JDM engine harness. i will say that the power steering hose does not fit on the PS pump. there's an extra bend in the JDM one. so you'll have to use your USDM PS pump. and also, the AC compressor doesn't match up to the USDM AC lines. all easily remedied by just transferring over the three accessories over to your new motor.
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01-25-2011, 07:33 PM | #1243 | |
Scooby Specialist
Member#: 57156
Join Date: Mar 2004
Chapter/Region:
SCIC
Location: socal
Vehicle:2007 V.8 207 STi Mercedes Polar White |
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01-25-2011, 09:19 PM | #1244 |
Scooby Specialist
Member#: 158579
Join Date: Sep 2007
Chapter/Region:
MWSOC
Location: St. Louis
Vehicle:2006 STI Rally Car Silver |
I just re-read your post. Do you think I am talking about the front crossmember? The issue I am having is with the gearbox crossmember:
The pipe is jammed against the rear part of the crossmember. |
01-26-2011, 01:03 AM | #1245 | |
Scooby Specialist
Member#: 97984
Join Date: Oct 2005
Chapter/Region:
Tri-State
Location: Philly
Vehicle:1999 2.5RS WRB |
Quote:
Also, do you have the stock JDM downpipe that you could do a test fit with to make sure it is indeed in your car correctly? I think some bending or cutting would do the trick. Unless you can make some $ by selling your current DP, i don't think you should look at buying a new DP. |
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01-26-2011, 09:42 AM | #1246 |
Scooby Specialist
Member#: 158579
Join Date: Sep 2007
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MWSOC
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Vehicle:2006 STI Rally Car Silver |
Yep, it has the mount, and is pretty close to lining up with the stock bracket. I took some pictures of the DP compared to a USDM one (Don't have an original JDM one) and the differences are clear.
However, my work internet is odd, and can't upload pictures to imagehosting sites right now... Maybe can find a way around that... Anyways, right now it is looking like the only way around this issue is either sell the DP (would rather not) or buy an STI crossmember, which is looking like the better option, as it sits almost an inch higher in the chassis, allowing for more clearance |
01-26-2011, 10:31 AM | #1247 | |
Scooby Newbie
Member#: 129260
Join Date: Oct 2006
Location: Topanga, CA
Vehicle:2002 WRX Wagon PSM |
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01-26-2011, 10:35 AM | #1248 | |
Scooby Newbie
Member#: 129260
Join Date: Oct 2006
Location: Topanga, CA
Vehicle:2002 WRX Wagon PSM |
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01-26-2011, 11:56 AM | #1249 |
Scooby Specialist
Member#: 10854
Join Date: Oct 2001
Chapter/Region:
SCIC
Location: Los Angeles, CA.
Vehicle:'02 WRX; '08 OBXT; '08 G37 (S/C'd); '09 XF |
the third accessory is the alternator. i don't recall if there were any issues with the JDM one, can't imagine there would be, but i just switched all three while i was at it. but it is worth mentioning that some people run the JDM AC compressor because it's lighter. i guess they get the lines that connect directly to it, and figure out the connectivity of the condenser side of them.
i'm running 346 lb/ft through the stock STi clutch, as per Airboy road dyno software. it's been holding for about 15K so far with no issues. |
01-26-2011, 02:09 PM | #1250 |
Scooby Newbie
Member#: 176010
Join Date: Mar 2008
Chapter/Region:
South East
Location: Nash, TN
Vehicle:2005 WRX sdn ver8'ed Phat-Tuned RIP Bugeye |
Sir mangina, you can use the jdm accessories fine I did, The usdm ac line only has one bolt in it and needs a little bend to reach perfectly but mine sealed fine with only one bolt. Same with the P/S you just have to bend it a bit and make sure your threads match, if they don't, remove the adapter you'll find in the JDM pump and your usdm hose should now connect to it fine. Use the lower mile accessories if you get them , why wouldn't you right?
Edit added some pics. Ac lines sealed fine!! You do have to repin this connector, easy and obvious.. PS lines The clutch setup I currently run and recommend: Stock newer version pressure plate ACT 6 puck sprung or sprung full faced if your scared mid-weight flywheel 11-12 lbs. Stock disc material is old school tech, heats up and burns up too easily if you ask me. Plus this setup can be had for cheap, I did mine for under 300 with flywheel. You can use any clutch if you know how to properly shift. Im on the glass 5-speed and launch perfect all day. Last edited by 02 Scoob-TN; 01-26-2011 at 03:09 PM. Reason: added more info |
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