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Old 01-18-2012, 09:47 PM   #2276
fastnoypi
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Quote:
Originally Posted by WhiteBgeye02 View Post
so move the pins to the correct spot and use the iaperf bulkhead harness for 200 bucks and put it were the ds1 motorsports diagram says? hmmm sucks i got to spend another 200 bucks but seems to be fairly straight forward!
No, you follow the DS1 instructions (supply your own wires) OR buy an IAP harness.
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Old 01-18-2012, 11:35 PM   #2277
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gotcha! i guess ill see when the time comes what i want to do... anyone have a source for ecu pins male or female?
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Old 01-19-2012, 03:49 PM   #2278
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Quote:
Originally Posted by fastnoypi View Post
Clark, it is prettier than the old skool Home Depot helper spring mod which cost less than 3 bucks
I thought the T-Fitting mod was the top dawg?

Quote:
Originally Posted by WhiteBgeye02 View Post
gotcha! i guess ill see when the time comes what i want to do... anyone have a source for ecu pins male or female?
Whenver I need ECU pins or any really I take my removal tool down to the junkyard and have fun.

Last edited by The Phenx; 01-19-2012 at 03:57 PM.
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Old 01-19-2012, 04:20 PM   #2279
fastnoypi
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Quote:
Originally Posted by The Phenx View Post
I thought the T-Fitting mod was the top dawg?
EWG, and you will be kicking yourself why didnt you do it earlier
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Old 01-19-2012, 06:58 PM   #2280
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so what do you guys do for ewg for these? i dont want to spend a ton on a TS header. i figured just take off the heat shield and weld on a flange for ewg. not sure if there will even be enough room with the halfshaft and downpipe right there. also its it manditory to run two ewg with TS?

Next question is were do you guys source new ej207 timing belt kits with water pump and tensioner and pulleys? import image couldnt help me out.
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Old 01-19-2012, 07:00 PM   #2281
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Quote:
Originally Posted by WhiteBgeye02 View Post

Next question is were do you guys source new ej207 timing belt kits with water pump and tensioner and pulleys? import image couldnt help me out.
I got my kit from Circuit Motorsports. Got a pretty good deal on it too.

I am also curious about the EWG for this setup...
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Old 01-19-2012, 07:58 PM   #2282
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I really want an ewg I may do it before I go for a retune
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Old 01-19-2012, 08:49 PM   #2283
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I've been thinking about doing the dual twinscroll wastegates for a while just because I haven't seen it done on the jdm setup. Might be able to get two of these in there http://www.full-race.com/store/waste...wastegate.html but it would be a really tight fit if it would even work.
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Old 01-19-2012, 10:39 PM   #2284
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Originally Posted by Erik View Post
I've been thinking about doing the dual twinscroll wastegates for a while just because I haven't seen it done on the jdm setup. Might be able to get two of these in there http://www.full-race.com/store/waste...wastegate.html but it would be a really tight fit if it would even work.
I got tools.

Do it! Im pretty sure the 38mm MVS Tials are what Goodspeed put on their last twinscroll rotated kits because of the smaller footprint than the older style 38mm ewg. But if you stick with the stock location twinscroll turbo, that will be super tight to get them in the uppipe area.
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Old 01-19-2012, 10:46 PM   #2285
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It would be 1.5 scroll and mix once gate is opened. Me thinks it would be a colossal waste of time. The turbo itself is to small for any real power.


C
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Old 01-19-2012, 10:54 PM   #2286
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Quote:
Originally Posted by WhiteBgeye02 View Post

Next question is were do you guys source new ej207 timing belt kits with water pump and tensioner and pulleys? import image couldnt help me out.
Import image has all that stuff, its the same as the 257 parts. Just reference 04+ STi.
FYI, im not sure what water pump comes on the V8 motors, but my V7 came with the same small impeller pump as the usdm wrx.
The 04 STi pump has bigger impeller and flows more for cooling.
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Old 01-19-2012, 10:58 PM   #2287
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Yes and also. Get all new Idlers for the timing belt Old JDM motors had single bearing Idlers. All the new ones are double bearing idlers. Much better and no failures to date.

C
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Old 01-20-2012, 03:06 AM   #2288
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Quote:
Originally Posted by fastnoypi

Import image has all that stuff, its the same as the 257 parts. Just reference 04+ STi.
FYI, im not sure what water pump comes on the V8 motors, but my V7 came with the same small impeller pump as the usdm wrx.
The 04 STi pump has bigger impeller and flows more for cooling.
What about a "Gates timing" belt for a USDM WRX? I have one on my Ver. 8 motor right now and I am a little worried about it failing.

Tom

Last edited by i2cou4u2; 01-20-2012 at 06:42 AM.
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Old 01-20-2012, 10:02 AM   #2289
fastnoypi
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Originally Posted by i2cou4u2 View Post
What about a "Gates timing" belt for a USDM WRX? I have one on my Ver. 8 motor right now and I am a little worried about it failing.

Tom
It'll be fine. I never seen a Gates timing belt fail on its own. Most timing belts fail due to seized pullys or interference by a bent or poor adjusted guide ready to shred it to bits. Even all the catalogs i've seen including the black Gates belts are designated for 02-11 wrx and sti.
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Old 01-20-2012, 12:33 PM   #2290
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Quote:
Originally Posted by i2cou4u2 View Post
What about a "Gates timing" belt for a USDM WRX? I have one on my Ver. 8 motor right now and I am a little worried about it failing.

Tom
Why?

I'd change it asap if you see signs of it failing. And check your idlers and everything else. $100 belt or $4000 motor.... hmmmm.

I have the same belt. I haven't removed my timing belt cover since I installed the engine. I have no reason to believe it's going to fail since I replaced the idlers and water pump during the installation.

Britian has a pretty sweet dual ewg setup on his VF36 powered EJ207 that he stuck into his porsche. It's a completely custom setup. For someone that is trying to get as responsive a setup as they can possibly get, that might be the way to go. I would like to know what the gains are before I become invested. If there are none, then you just spent a lot of time and money on a fruitless experiment.
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Old 01-20-2012, 01:31 PM   #2291
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there was gains to be had when i did a ewg on the td04. spool prob increased by another 200rpms. thats with the addition of headers which on the two liter slow spool down a bit. it also opens up the top end so the engine can breath out the excess exhaust. at 7k rpms im sure there is enough exh gas to spin the turbo. might as well get it out before the turbo. plus it will prob elongate the life of the turbo since the heat wont have to go through the turbo either and thus heating the oil less and keeping the bearings cooler.

what im wondering is if you could just y pipe the two up pipes to a single ewg... part of me is saying dumb idea but then again if its at a 90* off the pipes then one would think it wouldnt interfer with flow that much. maybe create a bit of turbulence.
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Old 01-20-2012, 04:12 PM   #2292
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Quote:
Originally Posted by WhiteBgeye02 View Post
there was gains to be had when i did a ewg on the td04. spool prob increased by another 200rpms. thats with the addition of headers which on the two liter slow spool down a bit. it also opens up the top end so the engine can breath out the excess exhaust. at 7k rpms im sure there is enough exh gas to spin the turbo. might as well get it out before the turbo. plus it will prob elongate the life of the turbo since the heat wont have to go through the turbo either and thus heating the oil less and keeping the bearings cooler.

what im wondering is if you could just y pipe the two up pipes to a single ewg... part of me is saying dumb idea but then again if its at a 90* off the pipes then one would think it wouldnt interfer with flow that much. maybe create a bit of turbulence.
Exhaust is best handled when maximizing the scavenging effect. I would wonder if you could set the pipe length to keep the pulses timed even, then I would think 2-1 would become a non issue.
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Old 01-20-2012, 04:58 PM   #2293
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yeah it would either need to be a y pipe so it would be nearly impossible for the exh gas to flow back into the other up pipe or dual ewg which will be a tight fit.
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Old 01-20-2012, 06:58 PM   #2294
The Phenx
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Quote:
Originally Posted by WhiteBgeye02 View Post
yeah it would either need to be a y pipe so it would be nearly impossible for the exh gas to flow back into the other up pipe or dual ewg which will be a tight fit.
I doubt very seriously it would go back up into the other pipe Y H or whatever. The gasses in an exhaust are either Pressurized or at Rest. If they were capable of reversing it would require a valve to be hanging open.

So your goal when designing exhaust is to keep the pressure fairly constant so the last exhalation pulls the next along. Its the mistake N/A cars make when they make their exhaust too big, they loose the scavenge and can actually loose HP.

Where would you vent it tho? I always assumed you would just end up sucking on exhaust all day long.
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Old 01-20-2012, 07:18 PM   #2295
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i had a ewg on my td04 setup before i got into an accident and had to scrap the car and save the drivetrain. i had both holes in the firewall open for various sensors and wideband. i never smelt the ewg gases. the dump tube just puts it toward the ground. i would put it like 5 inches below the turbo but high enough so it doesnt interfer with the halfshaft.

as far as the pressure consistent do you mean the backpressure from the turbo? there will always be a certain amount of pressure when in boost because there needs to be that energy to spin the turbine. the ewg will just get rid of the extra pressure that isn't needed.
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Old 01-20-2012, 08:05 PM   #2296
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Engine arrived today!
Looks good except for a few small issues (intercooler has hole in it.)

The numbers on the timing cover say..EJ207DW5CR-130...

I see writing that says v9.

Can someone verify?
Thanks!
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Old 01-20-2012, 08:41 PM   #2297
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I dont think they made a v9 2.0L? .....I could be wrong

What is the code on the ECU or post up a pic of it
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Old 01-20-2012, 10:55 PM   #2298
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Quote:
Originally Posted by azscooby
Engine arrived today!
Looks good except for a few small issues (intercooler has hole in it.)

The numbers on the timing cover say..EJ207DW5CR-130...

I see writing that says v9.

Can someone verify?
Thanks!
You have a 2003 JDM STi Spec C engine. Here is a link to a pdf through the JDM 2005 model years. http://www.google.com/url?sa=t&rct=j...0_isFvd-BMxppg
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Old 01-20-2012, 11:18 PM   #2299
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Quote:
Originally Posted by azscooby
Engine arrived today!
Looks good except for a few small issues (intercooler has hole in it.)

The numbers on the timing cover say..EJ207DW5CR-130...

I see writing that says v9.

Can someone verify?
Thanks!
I had he same problem. I assume the hole is from the engine bolts That damaged the intercoooler during shipping.

U shld be fine tho.
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Old 01-21-2012, 12:00 AM   #2300
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So, I decided to look into what exactly the situation is with the fuel in Japan.
I did some research around the Shell site, for Japan.
The Japan site link is here
http://www.showa-shell.co.jp/product...a/qa.html#qu01

What it translates to, easily done with Bing is that there are two numbers:

The premium fuel is 96 octane number in JIS standard.
I went and found a copy of the JIS standard which indicated that the octane is "research method", which is RON.
Wikipedia also indicates RON for Japan, so I consider this confirmed from 2 independent sources.


I wanted to use facts only, due to some things that misc anonymous people stated in various postings (not Subaru forums) that google seemed to bring up.

Once I saw that, I was able to go the Subaru of Japan site and find that the fuel currently recommended for the Sti in Japan is Premium fuel.

http://www.subaru.jp/wrxsti/5dr/spec/spec_specc.html


I was able to find a table in wikipedia that places 98 RON (Japan rating)between 93 and 94 AKI (US rating).

96 Octane in Japan would be rather close to 93 Octane in US.

I don't have a spec for the MON number for the fuel, so I can't use the formula, but all fuels shown in the Wikipedia table, with a RON under 98 are below US 94 octane.

There is some information on the web that there is a third fuel available "race", with a RON octane number over 100, which could mean 94 or more US AKI octane number.

But Subaru is not calling currently for race grade fuel. They are calling for premium fuel.

Last edited by Vlad; 01-21-2012 at 12:13 AM.
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