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10-09-2018, 10:49 PM | #11751 |
Scooby Specialist
Member#: 22290
Join Date: Aug 2002
Chapter/Region:
TXIC
Vehicle:2002 STI Ver 9 Spec C Wagon |
Got my Version 9 Spec C motor in and running.... only to find an oil leak at the external oil cooler unit on the block. Damaged in shipping, so I had to order one from the UK. Was nice to see it start and run for a minute without CELs. Running a Ver 8 ECUs for now.
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10-10-2018, 03:39 AM | #11752 | |
Scooby Guru
Member#: 15822
Join Date: Feb 2002
Location: TOPOHTO
Vehicle:1999 WRB GM6 2.34 LR destroker |
Quote:
yes, it goes directly into the autronic map sensor honestly I can't say I noticed any added throttle lag when I added my lateral FMIC setup. I can see when it can become an issue with long piping and a core made out of soda cans that's a cool restrictor, never seen one like that before, we've always been using a long trumpet copied from prodrive grN |
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10-10-2018, 03:00 PM | #11753 | |
Scooby Specialist
Member#: 375462
Join Date: Dec 2013
Chapter/Region:
NWIC
Location: Portland, OR
Vehicle:2006 Impreza WRX STI WR Blue |
Quote:
1. Prodrive 33mm aluminum (N15) 2. TMR 34mm steel (N14-N15) 3. STI 33mm long aluminum (N14-N15) As far as I can tell, the only difference is which inlet you want to run. The STI long one needs the STI inlet while all the others work find with the Samco/Prodrive. |
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10-20-2018, 06:37 PM | #11754 |
Scooby Specialist
Member#: 22290
Join Date: Aug 2002
Chapter/Region:
TXIC
Vehicle:2002 STI Ver 9 Spec C Wagon |
Update for those buying twin scroll engines: the newer style GDB JDM twin scroll down pipe is the exact same length as the USDM downpipe, so you won't need anything besides possibly an adapter for the 2.5" donut flange in the down pipe to your car-back if it has a 3.0" flange, for instance.
Last edited by Bolster; 10-20-2018 at 06:38 PM. Reason: Clarification |
10-20-2018, 07:14 PM | #11755 |
Scooby Specialist
Member#: 22290
Join Date: Aug 2002
Chapter/Region:
TXIC
Vehicle:2002 STI Ver 9 Spec C Wagon |
Here is a shot of the downpipe.
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10-21-2018, 11:23 AM | #11756 | |
Scooby Specialist
Member#: 330895
Join Date: Sep 2012
Chapter/Region:
NESIC
Location: Foxboro
Vehicle:2002 Impreza wrx blaze yellow |
Quote:
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10-21-2018, 09:34 PM | #11757 | |
Scooby Specialist
Member#: 110078
Join Date: Mar 2006
Location: Long Island N.Y.
Vehicle:02 Bugeye JDM STi OBP BLACK |
EJ207 Owners?
Quote:
The twin scroll down pipe of a ver 9 is long and equal to our usdm, the twin scroll down pipe on a ver 8 is short as is a single scroll down pipe of a ver 7. |
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10-27-2018, 04:31 PM | #11758 |
Scooby Newbie
Member#: 357908
Join Date: May 2013
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Correct, because I swapped my V7 to twin scroll from single scroll, I used the tomioka twin scroll usdm length dp. Nice piece and performs well.
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11-08-2018, 03:04 PM | #11759 |
Scooby Newbie
Member#: 126376
Join Date: Sep 2006
Location: CA
Vehicle:2007 wrx lmtd silver |
Hey everyone,Side question:
Kinugawa wastegate actuator for the vf36, preload is 3 full turns? I found one reference to this but wanted to double check... 1.2 bar spring if it matters. TIA. |
11-08-2018, 03:17 PM | #11760 |
Scooby Specialist
Member#: 182415
Join Date: Jun 2008
Chapter/Region:
Tri-State
Location: New York
Vehicle:1999 RS Aspen White |
I went off their site for a baseline to start with but it was pretty far off, you'll have to readjust it as you do logs to find where it should be set at.
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12-04-2018, 12:03 PM | #11761 |
Scooby Newbie
Member#: 126376
Join Date: Sep 2006
Location: CA
Vehicle:2007 wrx lmtd silver |
Do V9 ej207’s have a COmbi valve? Or where is the barometric sensor in the v9207? Total noob with this stuff but can’t really seem to find this infor for a 207... also what are avg barometer sensor numbers upon startup? Thanks in advance!
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12-04-2018, 01:16 PM | #11762 |
Scooby Specialist
Member#: 375462
Join Date: Dec 2013
Chapter/Region:
NWIC
Location: Portland, OR
Vehicle:2006 Impreza WRX STI WR Blue |
Baro is internal to the ECU or potentially read by the MAP before starting. Never bothered to check, but it's one of the two.
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12-05-2018, 09:12 AM | #11763 |
Scooby Newbie
Member#: 126376
Join Date: Sep 2006
Location: CA
Vehicle:2007 wrx lmtd silver |
So if i’m running my usdm ecu, on a jdm motor, what would be the way to solve this? Finding the baro sensor from the old 255 and connecting it? Or is there another way around it?
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12-05-2018, 12:17 PM | #11764 |
Scooby Specialist
Member#: 375462
Join Date: Dec 2013
Chapter/Region:
NWIC
Location: Portland, OR
Vehicle:2006 Impreza WRX STI WR Blue |
There is nothing to solve...
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01-15-2019, 11:44 AM | #11765 |
Scooby Newbie
Member#: 360001
Join Date: Jun 2013
Chapter/Region:
TXIC
Location: The Woodlands
Vehicle:00 RSTi Blue Ridge Pearl Metallic |
New 207 owners here. I recently acquired a v7 ej207 for my 2000 impreza RS. Any advice what do before I drop this motor in my car? What else do I need to check? I’ll be running JDM ecu. Do I need tune for 93oct? Im only going to run it in stock form nothing crazy.
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01-15-2019, 12:42 PM | #11766 |
Scooby Specialist
Member#: 171412
Join Date: Feb 2008
Chapter/Region:
SCIC
Location: SQC-NY
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only thing you have to worry about is passing emissions. Most don't connect to the jdm ecu's. Unless it's a track car then it doesn't matter. Just do the normal maintenance stuff and go on your way.
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01-20-2019, 11:04 PM | #11767 |
Scooby Newbie
Member#: 465431
Join Date: Apr 2017
Chapter/Region:
VIC
Location: Vancouver
Vehicle:2002 JDM V7 STI WRB |
Definitely tune it for the fuel you will be using. I have a JDM Impreza STI with that engine and got it tuned for 94 octane. The guy who tuned my car showed me that it was knocking at higher RPM even with 94, so he made the necessary changes. Our fuel, even the best stuff you can get here (aside from buying barrels of racing fuel and storing them in your garage perhaps..) is just not as good as what they have in Japan.
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02-13-2019, 12:27 PM | #11768 |
Scooby Newbie
Member#: 284351
Join Date: May 2011
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Hi all, newbie to the subie family and the ej207. Had some bad news so I'm trying to figure out what my next steps are with my car.
I bought an 02 bugeye with a v7 ej207, jdm v7 transmission and some other goodies Had a compression test and a leakdown test done and here's the results: Compression: Cyl 1 = 125-130 psi's Cyl 2 = 115-120 psi's Cyl 3 = 125-130 psi's Cyl 4 = 105-110 psi's Leakdown Cyl 1 = 1% Cyl 2 = 8% Cyl 3 = 6% Cyl 4 = 10% The shop said if I baby it and treat it like it doesn't have a turbo it should last a while but if I'm looking to do anything with power then I'm going to need a rebuild and gave a pretty hefty price. So I guess I'm trying to figure out what would be the best option moving forward. 1. A friend of mine suggested I get an ej257 and either put that in until I can get the ej207 rebuilt. OR get an ej257, rebuild that slowly, replace the ej207 and then rebuild that when I get the money. 2. Or would it make sense to buy a new (to me) v7 ej207 and pop that in? 3. Or baby the engine until I've saved up enough to get the work done. My end goal, I'd like to get to ~420-450whp down the line and still be a reliable-ish daily driver but looks like I'll be delaying that. Anyway, any thoughts/recommendations would be appreciated! |
02-13-2019, 01:10 PM | #11769 |
Scooby Specialist
Member#: 856
Join Date: Feb 2000
Chapter/Region:
International
Location: Cambridgeshire, England, UK
Vehicle:2123 JDM STi Black |
The earlier JDM STi 2.0 engines ran tighter clearances on the valves, which led to some issues with valve seat seal over longer mileage as the valve seat wore.
When doing leak down and compression tests make sure the engine is hot and the cams are in the fully closed valve position. So long as the oil pressure is reading good numbers and its not using oil, just spank it. If you are using oil then it will need rings doing, but these 2.0 JDM's don't use a drop normally. They are not a chocolate 2.5 with floppy cylinder walls. Don't waste your money on a different engine if the above is OK. When you can afford it, pull the engine and freshen it up. |
02-13-2019, 02:54 PM | #11770 | |
Scooby Newbie
Member#: 284351
Join Date: May 2011
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Quote:
I don't know if the shop did the test while the engine was hot/cams fully closed but I'd like to assume so. I had it done at one of the most reputable places in the area so I would like to assume it was done right but with anything, mistakes can happen. |
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02-14-2019, 10:56 AM | #11771 | |
Scooby Specialist
Member#: 29292
Join Date: Nov 2002
Chapter/Region:
SCIC
Location: Orange County CA
Vehicle:2004 WRX wagon silver |
Quote:
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02-14-2019, 05:59 PM | #11772 |
Scooby Specialist
Member#: 110078
Join Date: Mar 2006
Location: Long Island N.Y.
Vehicle:02 Bugeye JDM STi OBP BLACK |
EJ207 Owners?
Reliable and ej257 are mutually exclusive but if you must why not ? Get a built ej257 short block and have the avcs ej207 heads machined to work on the ej257. Hybrid yo!
Last edited by D-Rodman; 02-14-2019 at 06:05 PM. |
02-14-2019, 11:43 PM | #11773 |
Scooby Newbie
Member#: 58485
Join Date: Mar 2004
Chapter/Region:
MWSOC
Location: Chicago IL
Vehicle:2004 RASC.207 WRX 5M PSM |
I suppose I will add that if you are convinced the 207 needs work what about a JDM 205 in its place until you get it sorted? I went from blown USDM 205 to 207, but kinda wished I had considered the JDM 205. Cheap AVCS motor.
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02-15-2019, 06:07 AM | #11774 |
Scooby Specialist
Member#: 110078
Join Date: Mar 2006
Location: Long Island N.Y.
Vehicle:02 Bugeye JDM STi OBP BLACK |
^ That is a valid point, the jdm ej205 with avcs would just drop in plug and play. I have both jdm ej207 and ej205. I love my ej207 but don’t mind the ej205 at all.
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02-15-2019, 09:09 AM | #11775 |
Scooby Newbie
Member#: 496279
Join Date: Jan 2019
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I have an EJ20x with similar compression numbers, same cylinder #4 was down near 100. Decided to move forward for now and see how it goes, and rebuild if it blows. Have taken care of all other issues since I got it and I'm getting the car tuned (just a downpipe added) on Feb 27th, mainly because i don't have the tuning history of the car. We will see how it goes then, i'm prepared for the worst but as of right now after the other work i've done she's running nicely with no leaks or smoking problems.
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