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06-11-2012, 03:51 PM | #326 |
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^Seems like they are pushing close to the limits of what they can do from the supporting mods they have; risky for track day. When they test the 10cm hot side you should see the boost carry on through the high rpm range before it drops and the power will looks like a continuous climb until late rpm. At least thats what I experienced with dom3 xtr 10cm hot side. I just dont agree with pushing a turbo near max for a number goal. With the 1.5 and constant lapping on a track (25-45min of hard driving depending on the track and event promoter) you run the risk of damaging the motor. Topspeed is trying to reach a max output of 400whp with basic affordable supporting mods. Good for drag racing and auto-x; not got good for road racing, HPDE, or time attack. You want your car to make the power with a large enough buffer for durability without compromise of performance.
Not saying its a bad setup, just saying 400whp with the 1.5 is risky for a track day. BTW according to some guys in this thread, e85 is hard to find in germany. You might be stuck with 93. With your car's weight; you would kill some folks on the track with 350whp Here's a vid I made (please excuse the cheesy music; only thing I can think of to block the wind noise). Car made 345whp/365wtq dom3 xtr 10cm hot side; built short block stock heads 93oct. http://youtu.be/Xyz8qqzsg-E
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Last edited by gizmotron2030; 06-11-2012 at 04:15 PM. Reason: Non-typing skillz and responding to wrong person |
06-11-2012, 03:51 PM | #327 |
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stupid afghan internet double post
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06-11-2012, 04:51 PM | #328 |
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Wow! Lots of information from you guys. E85 is very very rare here. What do you guys think of a Dom 3 with forged internals pushing 8k red line? Don't know much but figured bigger turbo equals turbo lag so having 8k redline can open power band, true or false?
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06-11-2012, 07:16 PM | #329 |
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True. Thats why I'm running Kelford 272/272 cams with my dom3 XTR. 8300 redline. Forged internals of course
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06-11-2012, 11:12 PM | #330 | ||
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Quote:
Here is the guy tuned by Top Speed with 404 WHP with a good looking power curve. This would make a pretty good Track day tune I would think. Quote:
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06-12-2012, 12:39 PM | #331 | |
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As for the hp rating on the turbos, that what they are capable when they are flow tested and mounted to a motor on a engine dyno; they can produce enough forced air to make 480hp not 480whp. So that would yield about what this guy is making if you figure the drive train loss with the weight of the car. http://www.rallysportdirect.com/Blou...2-2011-WRX-STI So what you see is this guy, with supporting mods, maxing the 1.5's capacity. That's why I say its risky. He has the mods to support the power but I wouldn't be surprised if he has a track day tune pushing 19-20psi rather than 21.5psi. Remember running your motor hard for 30min is way different from 12sec. Here is a thread you should read if you really want to know what it takes to power with a subaru: http://forums.nasioc.com/forums/show....php?t=2076135 |
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06-12-2012, 01:05 PM | #332 |
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Oh, here is my mod list to make 400whp:
Engine: Short block: Manley pistons 99.5 Manley rods ACL race bearings Nitrated STi OEM crank ACL main bearings Heads: Kelford 272/272 Supertech dual valve springs and retainer kit Supertech valve seals Supertech iconnel exhaust valves TGV deletes (OEM TGVs machined) Aeromotive 340lph fuel pump DW 850 (thinking about 1000cc injectors) Perrin fuel rail kit Crawford air/oil separator APS 525 FMIC APS 70mm cai no name uppipe (can't remember the brand for some reason) Dom3 xtr 10cm hotside stromung divorced dp with ebay aps knock off cat back ETS el header Mishimoto radiator Mishimoto 160 degree thermostat (purchased before I got orders to germany) Mishimoto fan shroud Gates Timing component kit I think I might be forgetting some stuff. For ****z and giggs Supension: Fortuneauto 500 track spec coils Perrin ALK Hotchkis endlinks Cobb 25mm F/R sways Whitline adjustable F/R lateral links TIC trailing arms coming soon Drive train: Full 05 Sti drive train with 5x114 hubs ACT street light clutch Brakes: Stoptech ST-40 BBK coming soon rears will be oem brembos Wheels: 17x8.5 Gramlights 57s 255/40/17 Dirrezas Starspecs |
06-12-2012, 01:19 PM | #333 | |
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I take WHP dyno numbers with a grain of salt since each dyno will give different numbers. I will have to talk with my tuner in CO when I get home before the tune and discuss it further with him. I do understand the whole road course track day versus 1/4 drag strip track day on severity. The hardest driving on your engine is daily driving for the most part. I will say that road course track driving will tear down a car very quickly, though. I would love to hit the 400HP mark but as long as driving it still puts a smile on my face then I am happy. My car brightens my day up no matter what my day has been like. whether I make 450WHP or just 375WHP I'm sure this setup will make me happy for a long time to come. I am still shooting for a sub 8 min lap on the Nurburgring and I will start by practicing with the 22B on Forza and memorize the turns. |
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06-12-2012, 01:43 PM | #334 | |
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Supporting mods is the reason why the guy hit 404 on 93. The average guy with average mods would probably make 340-360s maybe 370s depending on the tune. I agree 100% with your dyno comment. No one should ever determine the performance of their car solely by dyno numbers IMHO. Drive the car then judge the performance. Daily driving is hard on the engine, specially stop and go traffic, but not as hard as revving above 5000 rpm lap after lap. Thats why TA teams constantly tear down and inspect, possibly rebuild, their motors after each event. The 22B is the best Subaru made IMO. You power to weight ratio with you car will do more than make you smile. Your next mod might be a BBK The important thing is that you're happy and confident in your car. In the end, its the driver, not the car that yields that sub 8 min lap time. I tend to study this a lot |
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06-12-2012, 01:56 PM | #335 |
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one of my favorite drivers Tommi Makinen. I do like watching that lap 7:55 is a hell of a lap and in a STi Sedan that was stock if I remember right. I will have to put all my skills to use to get even close to the 7:55 he did.
I plan on a BBK even if it's just some stock Brembo brakes off an STi. I feel it's more the rotor and pads especially with the FHI 4/2 pot brakes. Brembos definitely will help with braking later though and give more bite. The added weight of BBKs don't help the cause either. |
06-12-2012, 02:29 PM | #336 | |
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As far as the BBK, the benifit of stopping power with better brake feel out weighs the downside of added weight. Brembos will be a perfect upgrade for a GC8 but if track your car often your brembos might end up like these: Stoptech ST-40 with 332mm rotors will clear 17" wheels http://www.rallysportdirect.com/Stop...Slotted-Rotors or these http://www.knsbrakes.com/carItemDeta...&item_id=37230 Here is the thread I got the burnt brembos from: http://forums.nasioc.com/forums/show...035408&page=18 |
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06-12-2012, 05:03 PM | #337 | |
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06-12-2012, 05:08 PM | #338 | |
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06-12-2012, 05:17 PM | #339 | |
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06-12-2012, 07:05 PM | #340 | |
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http://www.knsbrakes.com/carSeriesDe...20.5mm%20Thick A closer pic of that nasty brembo [/quote] I need to learn the track first. Then we'll talk Last edited by gizmotron2030; 06-12-2012 at 07:14 PM. |
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06-12-2012, 10:49 PM | #341 |
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I would repaint the Brembos any way. I prefer them black with maybe a red decal maybe no decals IDK yet. I need to get them first, The thing with any brakes is that daily driving and track driving will tear up the paint leaving the calipers vulnerable to the heat. As long as you maintain them and repaint them as often as needed before a season of hard track use I'm sure they will be fine.
Found some 17x8.5 Superleggera wheels for a decent price. After I get my GC wide bodied those wheels would fit rather nicely and look good. I need to find a set of 17x8 wheels for winters though. Last edited by renegadeSTi; 06-12-2012 at 10:58 PM. |
06-13-2012, 01:15 AM | #342 | |
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I need to learn the track first. Then we'll talk [/quote] I didn't think you were bashing Brembos, sorry if it came out that way. I just wanted guys to know they need them if they don't have them. As for learning the track, I simply just followed my friend the first few times then after that took lead and it all came together, we can do the same together. GT5 helped a lot but only with turn memorization. Ah, I have those shims as well but completely forgot about them. Not sure if they are doing much but I figured its helping in some fashion. |
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06-13-2012, 02:18 AM | #343 |
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Damn, that 1.5xtr's power curve looks almost identical to my 21psi map. That's good stuff.
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06-13-2012, 04:00 PM | #344 |
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Anyone interested in a dom 3.0r? I have one I'd like to get rid of.
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06-13-2012, 05:22 PM | #345 |
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What price u looking at
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06-14-2012, 01:22 AM | #346 |
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Hello,
The turbo is freshly rebuilt by blouch and will come with new exhaust gaskets. Its got a 3" inlet and the WG is welded shut, so EWG only. The hot side is freshly ceramic coated as well. Unfortunately, my mechanic lost the oil and H20 connections, so I'm only lookin for 900. I need to put some break in miles on my new motor, so I'm willing to travel to Ramstein AB to meet up (200 miles away from me), or it can ship free apo-apo as well. |
06-14-2012, 10:45 AM | #347 |
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Hey
Met today silver 2005 sti wondering about the ring events, when are they?
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06-14-2012, 01:30 PM | #348 | |
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06-14-2012, 03:09 PM | #349 |
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Last edited by J.Graves; 06-14-2012 at 03:44 PM. |
06-14-2012, 05:24 PM | #350 | |
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