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Old 01-26-2010, 11:19 PM   #151
Phatron
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nice....thats about 400whp in airboy. i was hoping to get around 425whp on 91+meth with the dom4xtr. this makes me pretty confident that its very doable.
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Old 01-26-2010, 11:29 PM   #152
jazmak24
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Quote:
Originally Posted by oversteer View Post
Impressive.

At what RPM did you hit 300wtq?

Did you do any runs without meth?

Full list of mods?

Please post the dyno graph.

we did a few runs without meth and was averaging 430whp/440tq.
for reference, car made 412whp/425 tq on old dom3.
dom 3 xtr
perrin el headers
perrin fmic
grimmspeed up/44tial ewg
jic ti cbe
invidia dwg dp
custom 3" intake
aquamist hsf-6 vp m3 75/25 mix
crawford tgv deletes
act xt55 clutch&flywheel
open source tune
e85 tune coming soon.
theres more,but thats the important stuff.
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Old 01-26-2010, 11:35 PM   #153
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Quote:
Originally Posted by Phatron View Post
nice....thats about 400whp in airboy. i was hoping to get around 425whp on 91+meth with the dom4xtr. this makes me pretty confident that its very doable.
ya,this dyno reads i little high,but the car feels great.thats what i care about most.car holds way stronger than before.but does come on about 150 rpm slower than og dom3.e85 will help that.
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Old 01-26-2010, 11:39 PM   #154
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another crappy pic of boost,lol
i find it odd that i can get this xtr with sup mods,
but cant afford a new camera

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Old 01-27-2010, 01:07 AM   #155
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Quote:
Originally Posted by jazmak24 View Post
another crappy pic of boost,lol
i find it odd that i can get this xtr with sup mods,
but cant afford a new camera
I find it even more odd that more tuners can't email their owners a .csv file or excel file, or even a screencap of their chart rather than giving them a piece of paper.

Does anyone actually WANT a piece of paper instead of some kind of electronic file of their chart?
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Old 01-27-2010, 01:18 AM   #156
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i called gruppes about 10 times to get my file off their dyno computer. the first 9 times i was told they were all too busy to walk out there with a usb drive and get the file......the 10th time i called i was told the computer crashed and they lost all the files.

many shops dont have teh interwebz on the dyno computers.
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Old 01-27-2010, 03:39 AM   #157
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very nice numbers fellas. even more reasons to keep a stock location turbo.
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Old 01-27-2010, 09:01 AM   #158
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Quote:
Originally Posted by wrxsti.l View Post
Got any DOM 4.0 XT-R EJ207 (2.0L) results?
Bump - still keen to see any 2.0L dom 4 xtr plots
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Old 01-27-2010, 01:41 PM   #159
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im still waiting for a 2.0L 2.5XT-R video, dyno chart...anything
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Old 01-30-2010, 08:53 PM   #160
Phatron
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just did a pull on the dom4xtr.

maxed the MAFv at 5000rpm on wg boost of 20psi.

bullchit. threw me into limp mode.

2006 STi
Spearco TMIC
APS 70mm intake and turbo inlet
Perrin EL Header
UR Up Pipe Tial 38mm Ext Gate
Injen 3" turbo back catless
Piston, rods, sleeved ej257
DW 740 cc's
Open Source Tune by me

Code:
Time	LOAD	RPM	FBKC	FLKC	IAM	IGN	MRP	MAFg	MAFv	LC-1
0	0.4	2952	0	0	1	47	-11.29	20.17	1.96	13.47
283	0.13	2947	0	0	1	47	-9.89	27.3	2.18	13.58
533	1.01	2991	0	0	1	43.5	-3.51	56.46	2.7	13.86
811	1.16	3047	0	0	1	40	-2.29	61.29	2.78	13.1
1076	1.31	3121	0	0	1	35	-1.23	70.54	2.98	13.11
1367	1.47	3218	0	0	1	23	0	80.53	3.04	13.8
1622	1.69	3344	0	-0.7	1	17.5	1.53	95.23	3.18	13.48
1908	1.89	3426	0	-0.7	1	17.5	3.25	108.8	3.3	12.73
2165	2.16	3545	0	-0.7	1	17	5.56	129.83	3.54	12.47
2467	2.46	3660	0	0	1	17.5	8.06	154.49	3.72	12.2
2708	2.87	3808	0	0	1	17	11.64	188.14	4	11.76
2999	3.37	4017	0	0	1	16.5	16.24	230.08	4.24	11.13
3256	4.01	4180	0	0	1	16	19.38	285.06	4.56	10.86
3551	4.38	4403	0	0	1	15	20.66	322.06	4.74	9.95
3797	4.54	4568	0	0	1	15	20.86	346.14	4.82	9.7
4094	4.57	4764	0	0	1	15	20.79	358.06	4.88	9.64
4339	4.54	4896	0	0	1	15	20.44	371.51	4.94	9.69
4634	4.46	5028	0	0	1	15.5	19.98	373.36	4.94	9.61
4885	4.32	5190	0	0	1	15.5	19.52	373.36	5	9.63
5171	4.2	5374	0	0	1	16	19.2	373.36	5	9.86
5427	2.97	5584	0	0	1	18	19.09	373.36	5	9.94
5718	2.93	5713	0	0	1	18	18.57	373.36	5	11.83
5971	2.92	5886	0	0	1	18.5	18.28	373.36	5	12.42
6259	2.89	6002	0	0	1	18.5	18.22	373.36	5	12.05
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Old 01-30-2010, 08:59 PM   #161
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i had to have a custom 72mm intake built b/c mine was maxed out as well on the dom3xtr
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Old 01-31-2010, 07:00 AM   #162
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Quote:
Originally Posted by Phatron View Post
just did a pull on the dom4xtr.

maxed the MAFv at 5000rpm on wg boost of 20psi.

bullchit. threw me into limp mode.
Cool, so it flows huh?

Tnx for the log. It shows your really rich just before you maxxed out the MAFv? (even already at 4500 rpm) LC-1 is AFR I suppose?
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Old 01-31-2010, 12:18 PM   #163
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Quote:
Originally Posted by Beetspeed View Post
Tnx for the log. It shows your really rich just before you maxxed out the MAFv? (even already at 4500 rpm) LC-1 is AFR I suppose?
Well, presumably that was his first pull on the turbo, which means he'd just started tuning and would likely be running a purposefully rich map since he doesn't have a baseline yet.
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Old 01-31-2010, 03:37 PM   #164
Phatron
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It was the exact same map as I ran on the OG Green and the HTA Green. I didnt reflash the car when i put the HTA Green on and i didnt reflash it with the dom4xtr. All I did was turn the mbc down to be on wg pressure.

The reason i was rich is because the meth nozzle broke.....i replaced the nozzle with a larger 1. Im running two 1.0 mm nozzles now (~560cc a piece).

Also, the MAF had never really been scaled anywhere past ~4.6MAFv since i'd never been up there before. So the values that were up there were indeed a rich guesstimation.
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Old 02-04-2010, 09:36 PM   #165
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Quote:
Originally Posted by wrxsti.l View Post
Bump - still keen to see any 2.0L dom 4 xtr plots
Bump - as above - 2.0L results with Dom 4 xtr would be appreciated
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Old 02-04-2010, 09:45 PM   #166
Phatron
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just look at a 2.5L plot and move the peak tq and peak hp 600rpm to the right......
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Old 02-05-2010, 04:48 PM   #167
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Well guys I'm not sure if this is the right area for this question but what clutches are you guys running? I have an 07 Sti and I'm trying to get everything together before my tune. I have a Dom 3 xtr with the 2.4" inlet, aps inlet, perrin big maf, dw 1000's, aeromotive fuel rails, jdm tgv deletes, walbro, aeromotive fpr, grimmspeed 8 mm mani spacers, grimmspeed 44mm ewg, and txs front mount. I am going to do a pump tune and e85 tune and I want to make sure I don't waste my time on the dyno with a slipping clutch.
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Old 02-05-2010, 06:12 PM   #168
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Originally Posted by BoostbyU06 View Post
Well guys I'm not sure if this is the right area for this question but what clutches are you guys running? I have an 07 Sti and I'm trying to get everything together before my tune. I have a Dom 3 xtr with the 2.4" inlet, aps inlet, perrin big maf, dw 1000's, aeromotive fuel rails, jdm tgv deletes, walbro, aeromotive fpr, grimmspeed 8 mm mani spacers, grimmspeed 44mm ewg, and txs front mount. I am going to do a pump tune and e85 tune and I want to make sure I don't waste my time on the dyno with a slipping clutch.
Just my experience, but when I ran my DOM3 I had an ACT Streetlite Clutch and Flywheel. I put down 340 WHP, and it held up fine. Some people prefer the 6 Puck Clutch, but it's not as streetable. If you really want great streetability and something that will hold power, I've heard the Exedy Twin Disk is the best, but I don't have any personal experience driving it.
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Old 02-05-2010, 06:38 PM   #169
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yeah I'm looking at the exedy and the act just haven't seen too much info on pedal feel and longevity. If anybody has any info let me know please.
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Old 02-06-2010, 09:28 AM   #170
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Get a custom Jim Berry clutch
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Old 02-06-2010, 10:43 AM   #171
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Originally Posted by fourmicah View Post
Just my experience, but when I ran my DOM3 I had an ACT Streetlite Clutch and Flywheel. I put down 340 WHP, and it held up fine. Some people prefer the 6 Puck Clutch, but it's not as streetable. If you really want great streetability and something that will hold power, I've heard the Exedy Twin Disk is the best, but I don't have any personal experience driving it.
+1 on the exedy twin disc. The clutch feel is soft, and is definitely streetable.
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Old 02-06-2010, 10:49 AM   #172
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I run a ACT streetlite flywheel with a sprung six puck and it's fine for the street. It does get a little annoying in stop and go for long periods of time, but in my opinion so does any clutch. I was actually very surprised how easy it is to live with.
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Old 02-06-2010, 02:08 PM   #173
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Quote:
Originally Posted by Phatron View Post
just did a pull on the dom4xtr.

maxed the MAFv at 5000rpm on wg boost of 20psi.

bullchit. threw me into limp mode.

2006 STi
Spearco TMIC
APS 70mm intake and turbo inlet
Perrin EL Header
UR Up Pipe Tial 38mm Ext Gate
Injen 3" turbo back catless
Piston, rods, sleeved ej257
DW 740 cc's
Open Source Tune by me

Code:
Time	LOAD	RPM	FBKC	FLKC	IAM	IGN	MRP	MAFg	MAFv	LC-1
0	0.4	2952	0	0	1	47	-11.29	20.17	1.96	13.47
283	0.13	2947	0	0	1	47	-9.89	27.3	2.18	13.58
533	1.01	2991	0	0	1	43.5	-3.51	56.46	2.7	13.86
811	1.16	3047	0	0	1	40	-2.29	61.29	2.78	13.1
1076	1.31	3121	0	0	1	35	-1.23	70.54	2.98	13.11
1367	1.47	3218	0	0	1	23	0	80.53	3.04	13.8
1622	1.69	3344	0	-0.7	1	17.5	1.53	95.23	3.18	13.48
1908	1.89	3426	0	-0.7	1	17.5	3.25	108.8	3.3	12.73
2165	2.16	3545	0	-0.7	1	17	5.56	129.83	3.54	12.47
2467	2.46	3660	0	0	1	17.5	8.06	154.49	3.72	12.2
2708	2.87	3808	0	0	1	17	11.64	188.14	4	11.76
2999	3.37	4017	0	0	1	16.5	16.24	230.08	4.24	11.13
3256	4.01	4180	0	0	1	16	19.38	285.06	4.56	10.86
3551	4.38	4403	0	0	1	15	20.66	322.06	4.74	9.95
3797	4.54	4568	0	0	1	15	20.86	346.14	4.82	9.7
4094	4.57	4764	0	0	1	15	20.79	358.06	4.88	9.64
4339	4.54	4896	0	0	1	15	20.44	371.51	4.94	9.69
4634	4.46	5028	0	0	1	15.5	19.98	373.36	4.94	9.61
4885	4.32	5190	0	0	1	15.5	19.52	373.36	5	9.63
5171	4.2	5374	0	0	1	16	19.2	373.36	5	9.86
5427	2.97	5584	0	0	1	18	19.09	373.36	5	9.94
5718	2.93	5713	0	0	1	18	18.57	373.36	5	11.83
5971	2.92	5886	0	0	1	18.5	18.28	373.36	5	12.42
6259	2.89	6002	0	0	1	18.5	18.22	373.36	5	12.05
You sure you don't have a boost leak? I've run at least that much flow on an APS 70mm without maxxing it out. A leak would also explain or contribute to the rich condition.

Also, what gear was this in?

-- Ed
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Old 02-06-2010, 03:25 PM   #174
Phatron
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i always have a leak at the header to uppipe flange. i've tried every gasket on the market. i heat cycle without going into boost and retighten everything.....but everytime i take it apart you can see where it was leaking.

But I believe you have to be referring to a post maf, pre motor leak....as a post motor leak will not effect the AFR.

I believe the bigger meth nozzle and untuned area of the maf are all contributing to the rich AFR. If I truly had a post MAF, pre motor leak then i would be running really lean under vacuum and wayyy rich under boost. While i did run rich, doesnt the fact that it leaned out take away the leak theory? Wouldnt the leak keeping making the AFR progressively richer?

Either way I have a KS Tech 83mm arriving today. See what that does.

You happen to have a scale for that?

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Old 02-07-2010, 12:54 AM   #175
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I am about to order a new turbo for my built 07 STI and need help.

It's either a:

DOM 4 XTR
or
ATP GT35r stock location

Which one would spool faster and have less lag (on identical setup - put top end aside for now)?

As soon as I can work it out - I'm ordering one..

Phatron,

So you are seeing 15psi boost come in by what rpm (and what gear)?

Thanks
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