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Old 09-05-2012, 12:49 AM   #1
speedyHAM
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Default 16gxt Ej205 335whp 350wtq

Event: dyno tuning session
Location: RS Motors, Burnsville, MN
Ambient Temp: 90 degrees F
Elevation: 820
Weather: Sunny, humid

Car: 1996 Impreza L
Tuner: Ron
Dyno Info: Mustang
Transmission: 5 speed PPG, helical cut
Gear: 3rd
Peak HP at RPM: 335 @ 5600
Peak Torque at RPM: 350 @ 4400
Baseline hp/tq for a stock on same dyno:175/175 stock 2002 WRX
Target Boost: 26.4
Target AFR: 12:1 gas equivalent
Fuel: E85
Engine/Power Modifications: EJ205, Turbo inlet, Custom AWIC, PnP TGV's, 840cc injectors, Custom tubular equal length headers, ported Blouch 16GXT turbo, Stromung DP, custom exhaust.
Driveline Modifications: PPG gears, 3.9:1 FD, Cusco clutch front and rear diffs, stock center, 11.5lb flywheel, 0.75lb crank pulley.
Suspension Modifications: Solid engine and tranny mounts, Koni SA struts, stiff springs and bars
Other Modifications: 2008 lbs total car weight, Real Racing Wheels 16x12 with Hoosier slicks

I'm very happy with the results of the new turbo and tune. Driving this car on an autocross course the power difference is incredible. The small difference in spool is noticeable, but very manageable. This turbo is fantastic for a 2.0L. Run 2 on the graph is my old setup with a TD04.

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Last edited by speedyHAM; 09-05-2012 at 08:55 AM.
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Old 09-05-2012, 07:48 AM   #2
Kastley85891
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That looks super sweet dude
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Old 09-05-2012, 09:38 AM   #3
Subian
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I'm curious as to who made the custom EL Header and which oil pan are you using?
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Old 09-05-2012, 12:09 PM   #4
Source,LLC
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The area under the curve looks great but I'm not to impressed with how late the torque hits (4400rpm) on a turbo that isn't all that huge. You are without a doubt putting out a decent amount of boost (26+psi), but with e85 and the upgraded headers I would really hope to see spool on this turbo hit by at least 4000 (and even lower on a 2.5L). Any idea why it is coming on so late?
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Old 09-05-2012, 07:59 PM   #5
skatinboarding
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Im going to guess it spools a bit sooner on the street. I just bought a 16g xt myself and was concerned with the spool and found a thread somewhere that had a dyno sheet and a same day road log and there was a very big difference in spool. Geez thats what i hope at least or im done with these 2.0 liters.

OP great results on that mustang dyno!!! MN represent.
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Old 09-05-2012, 11:47 PM   #6
speedyHAM
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Quote:
Originally Posted by Subian View Post
I'm curious as to who made the custom EL Header and which oil pan are you using?
I made the headers myself. I started with a set of Perrin headers and integrated an up-pipe, then improved the merge sections and the header flanges.

Oil pan is an OEM '07 WRX pan, I think.

The spool is much better when driving than on the dyno. With the TD04 there was essentially no lag on course, with the 16GTX there is just a hint of lag in very slow corners.
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Old 09-05-2012, 11:49 PM   #7
ppayer38
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Quote:
Originally Posted by speedyHAM

I made the headers myself. I started with a set of Perrin headers and integrated an up-pipe, then improved the merge sections and the header flanges.

Oil pan is an OEM '07 WRX pan, I think.

The spool is much better when driving than on the dyno. With the TD04 there was essentially no lag on course, with the 16GTX there is just a hint of lag in very slow corners.
Pictures please!!
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Old 09-06-2012, 10:25 AM   #8
Subian
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Where do you see spool on the street? Are you a believer that the EL header helped spool in your case? Is it coated/wrapped?
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Old 09-08-2012, 07:05 AM   #9
Android287
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this thing only weights 2008 lbs???
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Old 09-10-2012, 01:25 AM   #10
jhayesvw
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I feel my 16gxt is a bit baggy but I'm used to a straight 6 turbo.

I really like my setup. It's not nodded sti fast but its good.

Your setup looks insane. It makes me want to use my e85 tune. I just worry about gumming issues with prolonged e85. What is could do to my fuel lines and injectors.
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Old 09-16-2012, 09:53 PM   #11
speedyHAM
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XP class Impreza L

Default

Quote:
Originally Posted by Subian View Post
Where do you see spool on the street? Are you a believer that the EL header helped spool in your case? Is it coated/wrapped?
This is an autoX only car, so it's life is a bit different than a street car. I see boost on course around 3200 rpm, with the peak about 3500. When I installed the original header it actually hurt spool due to the larger primaries and longer overall tubing. The Perring header was designed for the 2.5L, and is pretty good for that. On a 2.0L it hurts spool but improves torque and HP across the board after the turbo spools. With the improvements I have made it spools faster than it would have with stock headers.

Quote:
Originally Posted by Android287 View Post
this thing only weights 2008 lbs???
At Spring Nationals it weighed in at 2008 lbs after my last lap. It still had 3/4 of a gallon in the tank, which is just about enough for another run. I have done some weight reduction since then, but have not had it weighed recently.

Quote:
Originally Posted by jhayesvw View Post
I feel my 16gxt is a bit baggy but I'm used to a straight 6 turbo.

I really like my setup. It's not nodded sti fast but its good.

Your setup looks insane. It makes me want to use my e85 tune. I just worry about gumming issues with prolonged e85. What is could do to my fuel lines and injectors.
I have been using E85 for 4 years now without any adverse affects. On any subaru 1996 and newer it will not harm anything in the fuel system. If you have it readily available get a tune for it and enjoy. E85 is poor mans race gas.

Now for the sad news. After 100K miles + 4 years abuse (after the odometer was not needed it was unplugged) and pushing almost double stock Hp this motor has died. . I'm not sure what went on it but during my second run at nationals it stopped making any power and once I got off course it stopped completely. The motor can not be turned over, even with a breaker bar. More than likely a piston failed, I've seen that done enough times to know that this was eventually going to happen. I'll post pictures in my build thread in the autoX forum when I get the motor torn down.

The silver lining is that now I get to build a real engine for this car to see what it can really do. It will probably be a high compression, high revving, 2.0L due to minimum weights in my class, but only time will tell.
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Old 09-17-2012, 12:28 AM   #12
Nuke209
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Sounds like motor seized, spun a bearing
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Old 09-17-2012, 01:56 PM   #13
Dirty_WRX
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I love that power band....
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Old 09-17-2012, 11:39 PM   #14
speedyHAM
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Quote:
Originally Posted by Nuke209 View Post
Sounds like motor seized, spun a bearing
I was thinking maybe that was it, but the oil does not have the usual shimmer of a spun bearing. We will see when I tear it down.
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Old 09-18-2012, 08:28 AM   #15
Nuke209
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Quote:
Originally Posted by speedyHAM View Post
I was thinking maybe that was it, but the oil does not have the usual shimmer of a spun bearing. We will see when I tear it down.
oil off dipstick or did you drain it? j/w
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Old 09-18-2012, 02:26 PM   #16
Boosted Tuning
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What happened to the graph?
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Old 09-19-2012, 09:54 PM   #17
speedyHAM
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Quote:
Originally Posted by Nuke209 View Post
oil off dipstick or did you drain it? j/w
I drained it.

Quote:
Originally Posted by Boosted Tuning View Post
What happened to the graph?
I still see it? What is your question?
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Old 09-19-2012, 11:55 PM   #18
Boosted Tuning
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Quote:
Originally Posted by speedyHAM View Post
I still see it? What is your question?
I see it now. For some reason it didnt load earlier. Anyways, good work. Great numbers. Thats on stock block correct?
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Old 09-20-2012, 10:02 PM   #19
speedyHAM
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Quote:
Originally Posted by Boosted Tuning View Post
I see it now. For some reason it didnt load earlier. Anyways, good work. Great numbers. Thats on stock block correct?
Stock block, internals, and heads. Heck- it still had the original timing belt (was on the 2-do list for this winter).
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Old 09-20-2012, 11:07 PM   #20
69subaru360
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Yep, when you get close to 350, it's usually bye bye stock EJ205. Wonder if it broke a rod? That seems to be what happens on well tuned cars that don't break pistons or hammer the rod bearing out from detonation.
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Old 09-21-2012, 01:25 AM   #21
eg33GC
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rod bolt probably sheared or at least lost integrity
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Old 09-24-2012, 01:46 PM   #22
Mister Tanker
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Did somebody say broken ej205 rod?

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Old 10-06-2012, 10:08 PM   #23
speedyHAM
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Well, I didn't break a rod, I just bent a few of them, broke a cam, extruded some bearings, and surprisingly enough- didn't damage any pistons.

http://i252.photobucket.com/albums/h...d/DSC05840.jpg

More pics in my build thread-

http://forums.nasioc.com/forums/show....php?t=1495137
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Old 10-06-2012, 10:54 PM   #24
Phatron
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Quote:
Originally Posted by speedyHAM View Post
I have been using E85 for 4 years now without any adverse affects. On any subaru 1996 and newer it will not harm anything in the fuel system. If you have it readily available get a tune for it and enjoy. E85 is poor mans race gas.
yourself is not a good sample size to be making claims like that. plenty of people on here and evom have had gunked up injectors on e85

https://www.google.com/search?hl=en&...JO_oiwKTt4HYDg
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Old 10-06-2012, 11:02 PM   #25
speedyHAM
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Quote:
Originally Posted by Phatron View Post
yourself is not a good sample size to be making claims like that. plenty of people on here and evom have had gunked up injectors on e85
Gunking up injectors would be a result of a poor tune, bad E85 (this is a lot more common than you would think), or the E85 dissolving sediment in the fuel tank from previous bad gas and transporting it to the injectors.

On a '96 or newer subaru there are not any parts in the fuel system that are dissolved or adversely affected by E85.

Anyway- that discussion is completely off topic for this thread and if you would like to discuss it either PM me or start a different thread.
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