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02-21-2010, 05:44 PM | #501 | |
Scooby Newbie
Member#: 173892
Join Date: Mar 2008
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RMIC
Location: Steamboat, CO
Vehicle:2005 SpecB 1of1 BPE grandma gold |
Quote:
well... stock TD04, block and heads Audioexcels: I read about this 12sec stockie on here (NASIOC) just do a search... ha because I don't remember Yeah PT's "Monstah --- as I starting referring to it) IMO is going to be the best bang-for-the-buck turbo upgrade for a 2.0 rex. I also would go a step further in saying that IMO the TD04H wheel with the 19T makes for a perfect pair. The TE04H is huge and shares the same trim as the TD05. The TD04H wheel has a smaller trim than that of the TD04L (stockie wheel) --- with this smaller trim equals better rotational mass BUT the in/exducers are larger than that of the TD04L wheel! Which should make for some wicked spool characteristics... Cheers, ~Wolf WTi
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02-21-2010, 05:59 PM | #502 |
Scooby Newbie
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South East
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Yeah PT's "Monstah --- as I starting referring to it) IMO is going to be the best bang-for-the-buck turbo upgrade for a 2.0 rex.
Cheers, ~Wolf WTi[/quote] Ya know, for as well as you promote the PT "monsta" turbo you deserve some free goodies or something from them. You could be a single cause in increased business, I can't wait for your dyno pulls in march as I am really curious to see how this plays out. I will say though I am choosing the larger of the wheels for my setup, after all the reading that I have done I think it will better suit my needs and go with a lot of the parts I have. I want the wee little bit later spool than your setup but not wanting to wait till 5k for it to pull either. I think with the act streetlite flywheel, grimspeed headers, crossover, GMS inlet, GMS after maf, 3tbe with no cats I should be flowing freely enough to reduce the spool times to be at a happy medium. Only time will tell, I am months out though from buying my turbo. GL and please continue to share the data. Last edited by flyinghighlm; 02-21-2010 at 06:04 PM. |
02-21-2010, 08:54 PM | #503 |
Scooby Newbie
Member#: 181260
Join Date: May 2008
Chapter/Region:
NWIC
Location: Montana
Vehicle:2004 Wrx Blue |
So how much exactly would it cost to have PT rework the td04 with the td04H wheel and 19t?
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02-21-2010, 09:14 PM | #504 |
Scooby Specialist
Member#: 108089
Join Date: Feb 2006
Chapter/Region:
MWSOC
Location: Minnesota
Vehicle:2003 WRX NF Performance |
So, I just finish tuning one of these 19t td04's
(well, almost done, wideband crapped out on us, so the fueling is next) Full spooled about 3400ish @ 18.5psi and redline @ 16.95 easily. Surprised on how well it could hold boost compare to the stock td04. The car moved very similar to a vf39 on the 2.0 IMO. Not a bad turbo at all for the 2.0 |
02-21-2010, 11:37 PM | #505 |
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Tri-State
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02-21-2010, 11:59 PM | #506 |
Scooby Specialist
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VIC
Location: Vancouver
Vehicle:1999 RBP 2.5RS Sold 1998 RBP WRX swap XO GC |
Nuke,
If you could post the dyno information, or a comparison with a comparable 2.0L with VF39 when you have a chance, that would be hugely beneficial! |
02-22-2010, 12:20 AM | #507 |
Scooby Specialist
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MAIC
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Vehicle:2015 WRX DGM |
What about for the 2.5?
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02-22-2010, 12:37 AM | #508 |
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Location: nashville
Vehicle:2004 WRX 4EAT PSM |
^^^you should be looking at something larger than a 19T upgrade if you have the 2.5 and have the money. You can buy a small 16G for 650 brand new and you already have a fuel system that can support it.
Plus with the larger hotside you'll get better gas mileage if you don't constantly have your foot in it. Sure...you could upgrade to the 19T, and yes you would see more power, but its a pretty big mismatch IMO. |
02-22-2010, 12:56 AM | #509 | |
Scooby Specialist
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Join Date: Feb 2006
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I dont know too much about the turbo except from his cellphone picture.
The turbo did have the bigger turbo inlet, that's all I can tell (besides the 19t wheel) Quote:
I'll be honest, I feel that this turbo better fits the 2.0 than the 2.5 For the $ to mod it, I rather put it into a better turbo |
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02-22-2010, 02:51 AM | #510 | |
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02-22-2010, 03:52 AM | #511 | |
Scooby Newbie
Member#: 173892
Join Date: Mar 2008
Chapter/Region:
RMIC
Location: Steamboat, CO
Vehicle:2005 SpecB 1of1 BPE grandma gold |
Quote:
IMO if I were you, then I'd sell your stockie TD04 (unless you KNOW there is low mileage, and you are not in need of a rebuild) and buy the PT "Monstah" from them outright. They start with the core and fully rebuild; including a NEW thrust bearing, so if your if-y on the status of the condition of your TD04 --- why not get a "new" turbo with better wheels (of your choice)... just food for thought Cheers, ~Wolf WTi |
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02-22-2010, 03:59 AM | #512 | |
Scooby Newbie
Member#: 173892
Join Date: Mar 2008
Chapter/Region:
RMIC
Location: Steamboat, CO
Vehicle:2005 SpecB 1of1 BPE grandma gold |
Quote:
Nuke209: Just to clarify... this is only the 13t to 19t compressor wheel upgrade? Also, is this the Blouch or did you go with a local shop like scooby921 did? Cheers, ~Wolf WTi |
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02-22-2010, 04:09 AM | #513 | |
Scooby Newbie
Member#: 173892
Join Date: Mar 2008
Chapter/Region:
RMIC
Location: Steamboat, CO
Vehicle:2005 SpecB 1of1 BPE grandma gold |
Quote:
Cheers, ~Wolf WTi |
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02-22-2010, 04:40 AM | #514 | |
Scooby Newbie
Member#: 173892
Join Date: Mar 2008
Chapter/Region:
RMIC
Location: Steamboat, CO
Vehicle:2005 SpecB 1of1 BPE grandma gold |
Quote:
VF39: 6 blade compressor height=.922 inducer=1.831 exducer= 2.365 11 blade turbine height=.911 inducer= 2.079 exducer= 1.885 Sorry can't really find an accurate CFM chart... looking though These are two similar turbos, but it all depends on what you want out of your subie, which motor 2.0 or 2.5, and what parts you choose... If you want spool (like most of us DD'n 2.0's) then the TD04L turbo with your choice of wheel upgrade is for you (and not too expensive/involved). If you want top end power and don't mind sacrificing that responsive low end spool then the VF39 turbo with supporting parts is for you. Cheers, ~Wolf WTi |
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02-22-2010, 09:00 AM | #515 | ||
Scooby Specialist
Member#: 108089
Join Date: Feb 2006
Chapter/Region:
MWSOC
Location: Minnesota
Vehicle:2003 WRX NF Performance |
Quote:
Quote:
Hopefully he swings by this week(end?) |
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02-22-2010, 09:16 AM | #516 | |
Merci Buckets
Moderator Member#: 88606
Join Date: Jun 2005
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MWSOC
Location: Michigan
Vehicle:2018 Grand Cherokee Velvet Red Pearl |
Quote:
A stock donor turbo is going to cost $100-150. I paid $130 for a DB monster that was never used and had been rebuild. I basically paid $130 for a brand new turbo. Let me know if anyone beats that . In addition, I also got some pretty good porting and polishing work for that $130. If you bought someone's used stocker for $100 you're still paying Blouch $95 to get it ported. Now you're paying $195 for the same level of turbo. I'm not sure if PT will port and polish and I don't know their cost. On top of those costs you have $30 or $40 worth of shipping costs to and from Blouch or PT. So you're up to ~$230 before you add in the cost of the 19T modification. Blouch and PT both do the 19T upgrade for $325, this is just the compressor wheel though. I paid $400 from the local builder. I chose to pay an additional $50 for the high temp coating. $325 + $230 = $555 (could be extra costs if the donor needs a rebuild) $130 + $400 + $50 = $580 I don't think I lost out on this one . I also got some additional benefits by using the local builder. He told me the stock compressor inlet isn't quite right for the 19T wheel, so he used a completely different compressor housing. He also polished all the machined surfaces after they were done. In addition to all that he did some more polishing to the turbine and wastegate outlets. As far as the PT TD/E04H-19T on ebay, that's an option I chose not to pursue. I've said it many times...I don't want a turbine wheel that's going to delay the response of the compressor. The larger wheel is going to provide more top end power, but its going to slow down the response by a couple hundred RPM. I prefer low-end to top-end. |
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02-22-2010, 09:25 AM | #517 | |
Merci Buckets
Moderator Member#: 88606
Join Date: Jun 2005
Chapter/Region:
MWSOC
Location: Michigan
Vehicle:2018 Grand Cherokee Velvet Red Pearl |
Quote:
I've been having issues with my O2 sensor as well. That and some fluctuating boost issues are keeping me from getting the tune dialed in. Right now I'm seeing the same 18-19psi by 3400rpm, but its jumping between 16 and 18psi at that point. Need to figure out what's going on before I go any further with things. |
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02-22-2010, 09:26 AM | #518 | |
Scooby Specialist
Member#: 97301
Join Date: Sep 2005
Chapter/Region:
Tri-State
Location: Phillytown, PA
Vehicle:2005 WRX Wag-Tow Rig 125 FM - QRE Invader |
Quote:
Scooby921, just to confirm, you did a clipped TD04L? IMO if you are going to upgrade the hotside also, you might as well just get a TD05-16g. The compressor maps are very similar (I still like the 19t), and the hotside isn't much different than a TD04H. |
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02-22-2010, 10:01 AM | #519 | |
Scooby Newbie
Member#: 116814
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Location: Colorado Springs
Vehicle:2003 wrx wagon blue |
Quote:
Let me know if there's anything I can do to help you with this. -Ken |
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02-22-2010, 10:16 AM | #520 | |
Merci Buckets
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Join Date: Jun 2005
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MWSOC
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Vehicle:2018 Grand Cherokee Velvet Red Pearl |
Quote:
I'm using a GrimmSpeed BCS. I'm in the middle of trying to dial in the WGDC map and I'm pretty sure the problem is from over-shooting my boost target and the duty cycle being pulled to compensate. |
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02-22-2010, 10:19 AM | #521 | |
Scooby Specialist
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Join Date: Sep 2005
Chapter/Region:
Tri-State
Location: Phillytown, PA
Vehicle:2005 WRX Wag-Tow Rig 125 FM - QRE Invader |
Quote:
If you wouldn't mind, post or PM me your full mod list for this setup. I can't wait to see numbers. |
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02-22-2010, 11:04 AM | #522 |
Scooby Specialist
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02-22-2010, 11:06 AM | #523 | |
Merci Buckets
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Join Date: Jun 2005
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MWSOC
Location: Michigan
Vehicle:2018 Grand Cherokee Velvet Red Pearl |
Quote:
Complete (relevant) mod list for this upgrade: Gutted stock uppipe APS catted turbo-back STi pink injectors (I have a feeling 650's will be needed to hold 20psi to redline and also a better option for those running e85) Perrin MAF elbow GPMoto turbo inlet GrimmSpeed BCS South Bend/DXD stage 1 clutch (to handle the extra power) I know there are some benefits to be had by replacing the factory IC y-pipe, but STX rules said I couldn't and I haven't been able to bring myself to spend $100+ for that little pipe . Yeah, I know the turbo inlet and maf elbow were over-priced pipes too, but those were allowed and done within the STX rules at the time. |
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02-22-2010, 11:18 AM | #524 | |
Scooby Newbie
Member#: 116814
Join Date: Jun 2006
Location: Colorado Springs
Vehicle:2003 wrx wagon blue |
Quote:
I found that with the 19T using a high WGDC at lower rpms and then lowering in the range where boost comes on (a la COBB stg2 ots map), doesn't help with spool that much. You may not be doing this , but I thought it worth mentioning. Instead I have found that a constant (across the rpm range) WGDC works well enough. Also I modified the Turbo Dynamics tables to reduce ECU adjustment authority as follows: Code:
Turbo Dynamics (Burst) -20.00 -11.58 -5.26 -2.11 0.00 2.11 5.26 11.58 20.00 -3.04 -1.88 -0.79 -0.39 0.00 0.39 0.79 1.88 3.50 modified -9.41 -1.88 -0.79 -0.39 0.00 0.39 0.79 1.88 9.41 stock Turbo Dynamics (Continuous) -20.00 -11.58 -5.26 -2.11 0.00 2.11 5.26 11.58 20.00 -1.00 -0.88 -0.75 -0.25 0.00 0.20 0.39 1.00 3.50 modified -5.00 -4.00 -3.00 -1.00 0.00 0.20 0.39 1.00 3.14 stock |
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02-22-2010, 12:23 PM | #525 |
Merci Buckets
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Join Date: Jun 2005
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MWSOC
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Vehicle:2018 Grand Cherokee Velvet Red Pearl |
I multiplied the TD tables by 76% on my map and I haven't been using high WGDC at low RPM. My logs, and a plot of boost vs. target, show boost being over target at 2800rpm and the log shows TD pulling negative values. Being that my boost targets were based on what I thought the turbo might do, I'm going to change the targets to reflect what it is doing. Always a surprise to get boost faster than expected . And since my WGDC was over-shooting my boost target of 18psi I think I'm just going to move the target to 20psi. Turbo will do it and there is plenty of room in the injectors and wgdc to manage it.
I just wish a winter snow storm hadn't rolled in last night/today. I'm done tuning for a couple days until the roads are cleared up. |
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