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02-16-2009, 05:35 PM | #1 |
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Stg2 ewg on meth?
Is anybody running this setup? Ive searched the other sub forums and came up with very little.
Just wanted to see how the selected few with this setup are liking/disliking. Anything they would change or what have you not. Any dyno logs or track times? Already got everything to do this just need my motor to be finished. So I can get the fun going! Anybody? I dont even know where to put this? But seeing I have a 02wrx Im gonna go out on a limb and say this is a good starting section...? if wrong plz move, Thanks.
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Last edited by Marlons101; 02-17-2009 at 07:51 PM. |
02-17-2009, 02:16 AM | #2 |
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Whats your goals for this car? EWG is always a great setup to have any turbo in my opinion.
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02-17-2009, 11:14 AM | #3 |
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I like the idea of the EWG for the quicker spool but I'm not sure the sound is right for me. Just how loud is it?
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02-17-2009, 11:23 AM | #4 |
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02-17-2009, 11:23 AM | #5 |
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There were/are a couple of guys running EWG on a stock turbo stage 2. You deffinately need to get protuned for this if you didnt know already.
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02-17-2009, 11:40 AM | #6 |
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Vehicle:2004 Meth Addict wrx Java Blaque' |
ewg is always a good option.. youre getting tuned for meth anyway so you might as well add the extra spool, power, reliability. I regret not getting one and installing it before tim bailey tuned my car for turbo/fmic/meth setup. grimspeed makes a decent one with an uppipe and you wont need to weld your stock one closed either.
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02-17-2009, 11:46 AM | #7 |
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02-17-2009, 11:48 AM | #8 |
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Vehicle:2006 wrx ewg vf39'd obp |
ewg is amazing and it helps all across the board. just listen to the awesomeness.
http://www.youtube.com/watch?v=MYZAylI9dP0 http://www.youtube.com/watch?v=RH2jz...eature=channel edit 44mm ewg Last edited by 06HAWKMAN; 02-17-2009 at 12:17 PM. |
02-17-2009, 11:52 AM | #9 |
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Forgot to mention I have the Grimmspeed 38mm setup.
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02-17-2009, 07:07 PM | #10 |
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Lol I failed with this thread....
I wanted to hear feedback from those WITH SAID SETUP...not get suggestions on how to go about doing it..or whatever... I already have all the bolt on with meth and ewg. Before i get tuned I just wanted to hear from others with this setup and how they are liking or disliking it...? |
02-17-2009, 07:51 PM | #11 |
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boo, nobody...?
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02-17-2009, 10:46 PM | #12 |
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Yeah, it was great fun,.... until I got a bigger turbo.
I am sure you will enjoy your new setup, tire of it in time and either break something or change it as we all have |
02-18-2009, 03:18 PM | #13 |
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nooobody running said setup?!,..ahhh man.
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02-18-2009, 08:41 PM | #14 |
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02-18-2009, 08:50 PM | #15 |
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yaaa i like timeatks whip. but cant justify this cause he has a sti...me have weak td04...booo
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05-20-2009, 02:37 PM | #16 |
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anybody now?
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07-08-2009, 06:20 AM | #17 |
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bumping to see if anybody has done something close to a setup like this?
im trying to find a td04 to swap with my vf43 so I can buy this meth kit along with ewg from the dealer and make it happen cappin! |
03-09-2010, 03:00 PM | #18 |
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anybody doing this now?
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03-09-2010, 03:52 PM | #19 |
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Vehicle:2004 WRX 4EAT PSM |
I am.
grimmspeed 38mm Vband EWG with 38mm TIAL EWG. 11 psi spring. Running E85 on a TD04, Spearco TMIC, 3" TBE, gimmick inlet, perrin 3-port, perrin Afta MAF, K&N filter. I'm not sure people really understand how the EWG works, because I keep hearing how it will help spool up. Let me tell you, it does NOT. If you have properly functioning IWG with a good BCS, you will not see any quicker spool with an EWG. Midrange and top end will benefit from this, as your volumetric efficiency will be higher. With a good BCS and an EWG you'll be able to push the turbo a little harder in the top end (keep in mind this still means higher EGBP). I would say run E85 instead of meth if you can. you'll make more power that way. |
03-09-2010, 08:12 PM | #20 |
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Do you have any comparative logs... w/ and w/o the ewg? I'm interested in how much MAF increased with the ewg.
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03-09-2010, 11:16 PM | #21 | |
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Quote:
After the EWG and boost controller, I can hold 15 psi out to redline in this cooler weather IF I want to. However, in my case I believe that the optimum boost at redline is 14 psi in my case. When I went from IWG to EWG and 3-port my maf values went from 4.18 to redline, now running about 4.35 to redline. That 4.35 figure was taken before I installed the TGV deletes and turbo inlet, and it was on 90 oct E10. On E85 with the new mods I hope to push 4.45 mafV. We'll see next week when I switch back over to E85. |
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03-10-2010, 01:36 AM | #22 |
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you're still limited by the stock turbo...
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03-10-2010, 02:20 AM | #23 |
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Would you mind citing a source or some kind of documentation? I'm considering going EWG with a 19t upgrade...spool vs. cost is kind of an issue here.
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03-10-2010, 09:09 AM | #24 | |
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Quote:
Its ONLY when the wastegate doors (of either IWG or EWG) start to open that you see a difference in performance. The EWG + 3-port is a great addition to the 19T modification. It would allow you keep them from clipping your turbine wheel. This situation would provide the best boost response, and the best top end as well. It is pricey, so I understand the question of "is it worth it". I can't say for sure what your gains are going to be betweeen the two options (19T, clipped turbine wheel, IWG) or (19T, not clipped, EWG). I CAN tell you that the EWG will have the higher of the two gains. |
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03-10-2010, 10:33 AM | #25 |
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I don't have data, but i'd have to agree that an EWG will not improve spool over a properly tuned IWG with a capable BCS. Spool will occur once the exhaust energy (exhaust gas temperature and pressure) in the turbine inlet has reached a minimum threshold for a given turbine section. Adding an EWG to the system, does not lower the minimum energy required to spool the turbo.
The function of the waste gate, whether internal or external, is to release energy from the system upstream of the turbine to prevent over boost and/or over turbine speed. The most significant advantage that an EWG provides, when the turbine section is relatively small compared to the compressor section (as is the case with the stock hotside in combination with the stock compressor section and even more so with a 19T compressor upgrade), is better overall engine volumetric efficiency. At some point, as mass flow through the system increases (as a result of higher boost pressure and/or engine speed), the relatively smaller IWG can no longer release enough energy to prevent the exhaust gas back pressure and temperature from climbing above that required to drive the turbine section to your desired boost level. When this happens, mass flow thru the system is reduced from it's ultimate potential. A 38mm EWG has a gate area that is more than 2X that of the stock IWG and can release substantially more energy form the system, and thus eliminate the power loss associated with the excessive EGBP and EGT caused by the small turbine and IWG. With a 19T compressor upgrade on the stock turbine, the flow imbalance between the compressor section and the turbine section is large enough to cause boost creep at higher mass flow rates since the IWG can not release enough energy. As a result, most turbo shops recommend clipping the turbine wheel to increase flow through the turbine section. For maximum performance, as mentioned above by xsnapshot, adding an EWG is a better alternative to clipping because of the increase in overall VE. I have a clipped TD04L-19T with/ IWG, and although boost creep is a non-issue, excessive EGBP is and I estimate that it is reducing peak power on my set-up by ~ 10%. |
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