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Old 04-14-2010, 11:26 PM   #226
dexterous
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I just got my Dom3 XTR powered 05 STi Tuned by Element Tuning on Tuesday. Since Element does not have a dyno we borrowed the dynomite dyno at AMS. The the AMS dyno is a roller dyno (like a Mustang) that supposedly reads higher than a Mustang but lower than a dynapack. My final numbers on meth were 461.1HP/472.6TQ and the final non-meth map made around 416HP/420TQ.

Here's a partial list of my mods:

100% STOCK longblock (yes, I know it wont last)
Dom3 XTR with 3" inlet
APS DR725 FMIC
GTspec Header/Up-Pipe
Tial 44mm EWG (Supertrap silencer installed on the dump tube)
TurboXS 4" Downpipe
Cobb Catback (100% catless)
DW950cc Side Feed Injectors
AVC-R boost controller
APS 3" turbo inlet
Hydra EMS
Hydramist meth injection kit (50/50 meth/water)


The wobble in the lines at 5700 and 6800 are due to boost fluctuations. At my request we setup the AVC-R at a static duty (to save time) since I can tune the boost my self for free.

Meth:


Pump Gas Only:


This is an old graph from Agile's dyno which supposedly reads higher than AMS's but its still interesting to look at the lines. The green line is my old Dom3 (no meth) and the yellow line is the 20G that I had before that. A number of things have been slightly changed since my tune at Agile but the cars basic setup is the same. I was worried that the XTR was going to be really laggy with the 10cm hotside but the car is making 219TQ at 3000RPM and 379.7TQ at 4000 RPMs which doesn't seem that bad. In comparison, the Agile dyno reported that my peak torque on the Dom3 was 387 at 4351RPM so chances are that I am making more power nearly everywhere. On the street it does NOT seem to have the instant punch of the standard Dom3 but its pretty fast up top.



On a side note, I would like to extend a special thanks to Moore Performance for letting me test a few of their new products on the car. Ryan has some really good stuff in the works!
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Old 04-14-2010, 11:34 PM   #227
alfriedesq
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I like Dom 4 - tuned one in Rockcester today, 400 / 400 on pump gas, very nice street turbo wit minimal lag
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Old 04-15-2010, 12:51 AM   #228
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Dexterous,

Awesome results well done

Nice strong gains from meth..

Could I ask - Did u always have the APS FMIC in with the previous two turbo's? (20g and dom3)

How much boost did you run again (sorry could not find it)?

Also are you running 91 or 93 otane?

Cheers
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Old 04-15-2010, 12:54 AM   #229
rexblake
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Very cool.

So your not afraid of adjusting the boost yourself with the AVC-R huh? I'm always afraid that I will run lean up top if I adjust it higher. All I do is try and get it to spool as quick as possible. Although, I gotta admit, I'm no expert on the AVC-R! Been reading through the manual and it amazes me how much stuff it can do.
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Old 04-15-2010, 07:05 AM   #230
dexterous
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Quote:
Originally Posted by robos4 View Post
Dexterous,

Awesome results well done

Nice strong gains from meth..

Could I ask - Did u always have the APS FMIC in with the previous two turbo's? (20g and dom3)

How much boost did you run again (sorry could not find it)?

Also are you running 91 or 93 otane?

Cheers
Rob


Rob,

There were no changes between the 20G and the Dom3 other than the turbo its self. When I upgraded to the XTR I discovered issues with my borla header so I swapped to a GTspec header/up-pipe combo which was more of a repair than anything. I also upgraded from an AccessPort to a Hydra and installed the hydramist meth kit.

Other than the fact that a different person tuned the car, I would find it hard to believe that the power changed very much between the header and ECU swap. The FMIC as well as all the other parts on the car were pretty much identical.
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Old 04-15-2010, 07:10 AM   #231
dexterous
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Quote:
Originally Posted by rexblake View Post
Very cool.

So your not afraid of adjusting the boost yourself with the AVC-R huh? I'm always afraid that I will run lean up top if I adjust it higher. All I do is try and get it to spool as quick as possible. Although, I gotta admit, I'm no expert on the AVC-R! Been reading through the manual and it amazes me how much stuff it can do.
Tuning boost on the AVC-R is pretty easy but it is a bit time consuming. I also find that if its tuned on a dyno it will not be very accurate on the street due to different loading. The only exception to this may possibly be on a Mustang dyno which is rumored to load the car more accurately when compared to other lesser dynos (but what the hell do I know).
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Old 04-15-2010, 09:39 AM   #232
SLOJOE
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how are you guys getting these torque #'s out of the xtr's? my car made 394/360 w/ dom3 xtr and im very happy with it but i would love for it to have more torque.
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Old 04-15-2010, 10:07 AM   #233
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turn the boost up.....1psi = 10-15 ft*lbs
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Old 04-15-2010, 11:55 AM   #234
SLOJOE
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Quote:
Originally Posted by Phatron View Post
turn the boost up.....1psi = 10-15 ft*lbs
im tuned on 22.5 psi on 93oct, i dont know how much more boost could be had on pump gas. maybe i just dont have the right parts combo?
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Old 04-15-2010, 12:01 PM   #235
Phatron
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depends on how your tune is setup.

most likely you have the stop MAP sensor and a ebcs......most tuners wont go above 22-23 psi if thats the case.

mikey runs 26psi with a t60r on 93 octane.

i have run 32 psi on 91+meth with my dom4xtr.

really depends on if you want to push it or not. its pretty easy to test out.
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Old 04-15-2010, 12:13 PM   #236
SLOJOE
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hmmm....maybe a 3bar map sensor is in order then?
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Old 04-15-2010, 04:07 PM   #237
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Quote:
Originally Posted by Steve.804 View Post
^What?? Why?? I've seen charts showing the atp turbo out performing the dom3 xtr
maybe the regular Dom3 but not the XTR. It is better all around.. by looking at plots of the XTR and my dyno plot, peak torque will be about the same with more top end, which in my opinion is better.
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Old 04-15-2010, 05:37 PM   #238
Cbgrandtheftauto
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Quote:
Originally Posted by alfriedesq View Post
I like Dom 4 - tuned one in Rockcester today, 400 / 400 on pump gas, very nice street turbo wit minimal lag
which dom 4 Al??...4.0R or 4.0XT-R???
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Old 04-15-2010, 08:28 PM   #239
neversummer489
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I may have missed it but will the dom5.0xtr results be posted here? Or is there a thread for that?
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Old 04-16-2010, 08:02 PM   #240
rexblake
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Check out this thread. There is some info on it there.

http://forums.nasioc.com/forums/show....php?t=1969610
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Old 04-21-2010, 02:35 AM   #241
ewinters
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MORE 4.0xt-r charts!!!!
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Old 04-21-2010, 09:02 AM   #242
krambte79
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Event: dyno pull/tune April 17 2010
Location: EngineLogics @ Houston, TX
Ambient Temp: 74 F
Elevation
: The elevation of Houston, TX is 43Ft.
Weather: sunny, dry, clear, cool, low humidity
Tires: Potenza RE 010 245/45/18
Car: 2005 STi
Tuner: Brad
Dyno Info: DynoDynamics
Peak HP at RPM: 389.6 @ 6000
Peak Torque at RPM: 369.6 @ 4900
Baseline hp/tq for a stock on same dyno: 218-228 whp
Target Boost: 25 psi
Target AFR:11.4
Fuel: 93 unleaded Shell V-Power w/ 100% Meth injection
Engine/Power Modifications: Blouch Dom 3.0 XT-R, dw 850 injectors, catless invidia bellmouth dp, Tanabe Medallion Touring 3" CBE, grimmspeed port polish/ceramic coated manifold and uppipe, custom 72mm short ram intake, aps inlet, txs large topmount I/C, spec C I/C sprayer/tank, smc 100% meth injection, 1 step colder ngk iridium plugs, walbro 255, grimmspeed ebcs, grimmspeed tgv deletes port and polished/ceramic coated and phenolic spacers, turbo blanket and heat wrapped coated downpipe
Driveline Modifications: ACT streetlite clutch and flywheel
Suspension Modifications: Prodrive STi lowering springs (eibach), strut tower braces
Other Modifications: Advan RS 18x8.5

this was a retune ~6 months after the initial tune, i had turbine noise compressor turbine clearance issues when hot, returned turbo to Blouch issues resolved and retuned. the boost accuator arm was also sticking closed at that time. during the previous tune my meth was also leaking at the seals resulting in decreased psi /flow for injection. all issues resolved so here we go.






Last edited by krambte79; 04-21-2010 at 09:14 AM.
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Old 04-21-2010, 11:35 AM   #243
neversummer489
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Quote:
Originally Posted by rexblake View Post
Check out this thread. There is some info on it there.

http://forums.nasioc.com/forums/show....php?t=1969610
That's the thread that sparked the interest in it. Really isn't too much info there
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Old 04-21-2010, 11:47 AM   #244
Turbo_Mike
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I have to say as a tuner, the dom 2.0, 3.0, and 4.0 have always far exceeded my and my customer's expectations on speed, spool, and power, and this thread is a great example. Nobody is beating a stock location dominator with a single scroll 30 or 35R rotated setup, thats awesome. I'll have a built 2.5L dom 4.0 chart up here in a few weeks if everything goes well... its freaking insane on my break-in street tune already...
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Old 04-22-2010, 03:12 PM   #245
ewinters
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what the crap is the deal with with the U.S. market being so slow with billet stuff. looks like the U.K. has all sorts of 'em. (i.e. billet rotated). blouch has the corner on the market.
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Old 05-12-2010, 12:00 AM   #246
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Event: Dyno Tune
Location: Epic Motorsports
Ambient Temp: 70's
Elevation: any where from 95ft to 240ft
Weather: over cast
Tires: Stock Sti re070's

Car: 2006 STi
Tuner: Robbie ( Robbieshonda) Epic Motorsports
Dyno Info: Mustang AWD-1100
Transmission: Stock STi 6 speed
Gear: 4th
Peak HP at RPM: 461whp roughly 7200 rpms
Peak Torque at RPM: 440tq roughly 4500 rpms
Baseline hp/tq for a stock on same dyno: STI 2.5l 235whp/240wtq
Target Boost: 28psi
Target AFR: 11.4afr ( car was happy a tad richer than normal on alky)
Fuel: 93 Oct 50/50 water meth
Engine/Power Modifications: AR Fabrication Short Block , Stock Heads and Cams (Needed), Perrin FMIC, Epic TGV Deletes, Perrin Fuel Rails, PE850cc Injectors. Blouch Dominator 4 xtr, GT Spec Header and Up pipe with 38mm Tial ewg dumped to Atmosphere, Blitz nurspec catback, Not sure which Down pipe is on there Ill check it out in the am pretty sure its an invidia catless. HallMan Pro MBC, Labonte Alky Kit. Perrin new silicon inlet, Perrin blow thorugh maf.. Thats about it.
Driveline Modifications: Short Shifter, ACT Extreme PP sprung 6 puck clutch.
Suspension Modifications: Stock Struts tein springs.

Last week I ran 23psi maxed the Maf sensor at 5 volts using the new Perrin "BigMaf" that looks similar to the K&N Typhoon. Just got the Perrin Blow through and it worked great.

On 93oct pump gas only, I was running 22.5psi could have gone a bit higher but I wasnt number chasing and he's going to run the alky kit all the time anyways 400whp/409wtq I had a handfull of runs in the 400whp/425tq range with an extra degree of timing but again no need to get crazy.

With the alky on and some more tuning 28psi It ripped a few 460whp pulls. Wasnt driving timing too much and this turbo loves boost. The more boost the smoother it pulled. If you arent running 25psi+ with this turbo your really missing out.

I love it. I'll post some dyno sheets when i get back to the shop in the AM I forgot to grab them when I left.

Last edited by Epic Motorsports; 05-12-2010 at 10:52 AM.
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Old 05-12-2010, 03:17 AM   #247
robos4
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awesome stuff mate!!

Can I ask - when do you hit 28psi in 3rd and 4th gear?

Thanks
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Old 05-13-2010, 12:47 AM   #248
dexterous
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Does anybody have any numbers for a Dom3 XTR on a motor with head work such as cams or larger valves?
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Old 05-13-2010, 01:06 AM   #249
robbieshonda
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Quote:
Originally Posted by dexterous View Post
Does anybody have any numbers for a Dom3 XTR on a motor with head work such as cams or larger valves?
I have a built motor with headwork and cams car running doing his breakin right now so i can get you some info here in a few weeks
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Old 05-13-2010, 06:22 PM   #250
rexblake
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I have cams on my 2.0. I'd suggest going larger than BC 272's.
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