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01-05-2010, 08:33 PM | #276 | |
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Used performance parts???? BOOO this man!!
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01-05-2010, 08:37 PM | #277 |
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With too much experience wit used parts in general, buy new!!
If you cant afford it now, save up!! Like a old man once told me............You can't have wine on a beer budget!!! |
01-05-2010, 10:32 PM | #278 | |
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01-05-2010, 11:35 PM | #279 |
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Used parts are okay as long as you check it out in person and make sure they are legit with no damage and has low milage.
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01-06-2010, 12:10 AM | #280 |
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I would personally get a pnp job at Grimmspeed. Quality work comes out of their outfit.
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01-06-2010, 11:23 AM | #281 | |
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Not to say Grimm doesn't do good work, but to pay extra money to ship it to him, no thanks. |
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01-06-2010, 12:09 PM | #282 |
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This is very good advise and worth every penny!!! Grimmspeed may cost more, but you get 3 times the port work compared to Blouch. and all you have to do is ship it to Grimmspeed and then have them sent it to Blouch so shipping is minimal since it's shipped from business to business. This is the only thing I regret not doing with my setup and I HIGHLY recommend it to anyone considering this modification. On the other hand if you don't have the extra cash or your just cheep the Blouch PnP is better than nothing at all..
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01-06-2010, 03:29 PM | #283 |
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^to add to this PnP discussion.... If anyone is SOCAL needs PnP work, Apollo Performance has a guy that does PnP work for them. Excellent work and alot cheaper than Grimmspeed.
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01-06-2010, 07:23 PM | #284 |
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Guys, I included pictures of Grimmspeeds PnP work on Blouch's TD04-19T upgrade pages back. I had Blouch do the additional porting on the hotside then sent it to Grimmspeed for complete PnP work. Money figures are also included somewhere around those pictures. Collectively both processes were worth it.
My train of thought was this: Blouch has the capability to accurately remove metal where necessary to open up the hotside. Grimmspeed's porting service is the icing on the cake, maximizing the ability of the whole turbo; hotside and coldside. Pictures are on page 9. Price discussions prior to page 9. Last edited by konmann; 01-06-2010 at 10:06 PM. Reason: Accuracy :C) |
01-07-2010, 12:18 AM | #285 | |
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Anyways, Steve is right you can just have the rebuild at Blouch, and then have them ship to Grimmspeed to finish up the port work. It would probably be the same shipping all around. Even if you pay a tad more in shipping, the better port job is worth the extra couple bucks you would spend. |
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01-07-2010, 01:06 AM | #286 | |
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I'm sure they are a fine shop. I just don't buy the porting hard-on people get around here. I have yet to see a realistic comparison of porting from different companies to show value. Everyone thinks oh shiny, smooth must be better. I have several people local that will port just as well for less money. Don't overhype. I was not disrespecting Grimmspeed in giving my opinion. |
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01-07-2010, 01:08 AM | #287 |
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^^That was a very nice breath of fresh air for this place.
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01-07-2010, 10:42 AM | #288 | |
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Anyways, you are entitled to your opinion, this is a open forum. However, I was just offering that Grimmspeed is a more mature company than a guy who turned a hobby into a business. I came across a little harsh which I apologize for. However, I do have a question in your post you mentioned, "that shiny and smooth must be better." I was under the impression that smoothing out the surfaces is one part of the pnp process that can increase air velocity, and make airflow more efficient. This is part of the equation that gives you the response gains. So shouldn't that be one of the criteria for a better pnp job? I do not have an engineering background so just wondering for clarification purposes. |
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01-07-2010, 12:07 PM | #289 | |
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In the most basic sense, setting up a flow problem you look at the major factors contributing to increasing and decreasing flow volume. The driving force of movement is a difference in pressure generated by the engine (hotside) or compressor (coldside). The air is flowing so fast and there is little relative surface area so the wall roughness from stock to smooth is not significant. Further, under a microscope a polished metal surface is still very rough and will never get very smooth because of the type of material. Going out on a tangent, a truly smooth surface could be worse depending on what flowstreams are doing. Turbo restrictions to flow are going to be geometry based. The gain from porting is from removing the inlet restriction from non-matching inlet/outlet, and geometrically "softening" transitions. Like removing your finger from a garden hose. |
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01-07-2010, 01:22 PM | #290 |
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Cool thanks for the through explanation.
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01-08-2010, 08:40 AM | #291 |
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01-08-2010, 09:25 AM | #292 |
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01-11-2010, 03:54 PM | #293 | |
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Sooooooo.... Injectors are going out to WitchHunter tomorrow to be cleaned and flow tested. Turbo should be heading out to Blouch as soon as they respond to my email and let me know how/where to ship it. Clutch will be purchased on the 22nd when I get another paycheck. I hope to be installing everything on the 30th or 31st. Between now and then I'm going to try and fine-tune my current engine map with the stage 2 setup so I can have a decent comparison for everyone when the new stuff goes in. The last time I logged and loaded up the airboy spreadsheet it was 238hp/tq @15psi and I think I can add more timing down low to improve spool a bit. If I can get ~280hp/tq with the 19t I'll be pretty happy. |
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01-11-2010, 05:47 PM | #294 |
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You don't hear too much about Witchhunter these days with all of the Deatschwerks talk you usually hear.
What pressures are you going to target for the 19T? |
01-11-2010, 05:52 PM | #295 |
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anyone have one for sale =) pm me
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01-11-2010, 09:51 PM | #296 | |
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I think for the initial trials I'm going to target 18psi and see how the injector duty cycles are looking at higher RPM. If I have some room then I might push for 20psi. It'll really depend on how much difference I see from this upgrade. After comparing compressor maps today and playing with some calculations, I don't expect the 19T to provide that much more in peak values. The increased flow capacity and higher efficiency at higher pressure ratios means it can make a bit more power, but maintaining efficiency at higher flow rates should keep it from falling off up top and that means more overall area under the curve. As I said before, I'm around 238whp/wtq right now at stg2 using the opensource stuff and the airboy sheet. If I see a final result around 270-280whp/wtq I'll be pretty happy. Though I'll admit that after 3 years of autocrossing and those damn STX maps any kind of boost is more fun . Last edited by Scooby921; 01-11-2010 at 10:03 PM. |
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01-12-2010, 12:37 AM | #297 | |
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I've also looked over the compressor maps, and I think that 20 psi is right about where I'd like to be. Good move at turning it up with the IDC's in mind. I would think you should be fine. |
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01-12-2010, 12:45 AM | #298 |
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If sti injectors can support a 35lb/min turbo (VF39) at stage 2 levels. I'm sure they'll just fine with a turbo rated at 31lb/min
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01-12-2010, 02:26 AM | #299 |
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why go Blouch???
Blouch only does the 19t compressor wheel, you will not gain much HP from just doing this wheel; you also need the other side replaced, do not clip!!! You end up loosing what you wanted in the 1st place, low end spool. Keep Reading...
I knew about deadbolt going under so I outsourced: Performance Techniques in CA http://turbocharged.com/main.htm will do the 19t upgrade for you BUT you can go one step further and buy their take on the Monster TD04 --- 19-T Upgrade compressor section, a # 6 A/R exhaust housing, completely blue printed, balanced, heavy duty racing style 360 deg. thrust bearing set-up with a dynamic compressor seal for extra fast spool-up. I bought this turbo just a week ago on EBAY (and theres more) for JUST $422 shipped!!! Try to get a VF39 or 16g for that price in this state/conditon... haha yeah OK Just the hot side wheel costs Performance Techniques $125. Besides why pay $325 for just a 19T wheel That is wiiicked crazy. Don't waste your time sending your TD04 to Blouch, just order Performance Techniques' TD04 KEEP IN MIND No obviously at that price it is not a new core turbo. BUT It has a brand new turbine wheel, compressor wheel, and all internal parts bearing seal etc. Plus the internal wastegate opening is ported. It is completely rebuilt and balanced. The ceramic coating costs additional $70.00 though... I am going to Denver soon (1st week in Feb.) to see what I pull on the dyno with MY95 GF8, with FULLLLL 2002 WRX wagen swap (ECU, motor, tranny, diffs, driveshaft, suspension, dash, seats, ha even down to the carpeting!). I'm running 565 pinks, 255 FP, the Performance Techniques TD04, 21"x4.5" TMIC, AEM CAI, stock manifold, and upipe, wide open 3" TBE, BUT my secret weapon is my Vishnu turely divorced DP --- that I've been formulating for almost 6 months --- hint hint i dump to atmosphere with the internal wastegate muhaha! Cheers, ~Wolf WTi --- Steamboat Springs, CO |
01-12-2010, 10:19 AM | #300 | |||
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Are you tuning with RomRaider? When I get my map figured out I can send you a copy that you can use for reference/comparison if you'd like. Quote:
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Last edited by Scooby921; 01-12-2010 at 10:25 AM. |
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