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Old 04-25-2016, 01:40 PM   #1
adammcl
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Default 18G XT-R 2004 WRX 2.0L Wagon Pro Tune Dyno Results

Event: Pro Dyno Tune
Location: MachV Motorsports, Sterling, VA
Ambient Temp: 80.04 F
Elevation: 289 Ft
Humidity: 29.58 in-Hg

Car: 2004 WRX Wagon
Dyno: DynoJet
Transmission: 5 Speed
Gear: 3rd
Peak HP at RPM: 305.01 @ ~6400
Peak Torque at RPM: 268.73 @ ~4650
Baseline hp/tq for a stock on same dyno: ~190HP
Boost: ~21.7 psi (from AccessPort & ProSport Gauge)
Target AFR: See Dyno Graph
Fuel: 93 Octane Pump

Engine/Power Modifications:
Blouch 18G XT-R Turbo (with turbo blanket)
FiveO 850cc Fuel Injectors
Walbro 255 Fuel Pump
One Step Colder NGK Iridium Spark Plugs
Perrin Top Mount
Perrin Fully Recirculating Valve
Perrin ‘Big’ Up-pipe (wrapped)
TurboXS 3” Turboback Exhaust with Highflow Cat (wrapped to the rear axle)
KS Tech Larger Size Intake (same diameter as inlet)
Godspeed Turbo Inlet
GrimmSpeed 3-Port Boost Solenoid
Mishimoto and Cusco Oil Catch Cans

Driveline Modifications:
None

Suspension Modifications:
Racecomp Engineering Tarmac 2 Coilovers


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Last edited by adammcl; 04-25-2016 at 07:03 PM.
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Old 04-25-2016, 02:06 PM   #2
cueball89
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What does a stock car do on that dyno?

I've got the same turbo on my 2.5 hybrid motor that has similar mods to your car. Its never been on an actual dyno, but it put down 296hp and 335ft-lbs of torque on a road dyno. My car peaks ~22psi and tapers to 18psi. Peak torque is at 4100 rpm. The car is tuned pretty conservatively, the timing is pretty low.

When I had a td04 on the hybrid motor compared to a stage 2 2.0 my peak torque numbers were ~500rpm different.

I still have the factory intake, tgv's and headers. I can post the dyno plots later.
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Old 04-25-2016, 02:24 PM   #3
adammcl
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Thanks for the feedback man. I believe a stock 2004 would make about 190WHP on this Dynojet. Your dyno plots would be much appreciated.
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Old 04-25-2016, 02:32 PM   #4
bdubblu
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Quote:
Originally Posted by adammcl View Post
Hello Everyone,

I recently put a Blouch 18G XT-R in my 2.0L 2004 WRX Wagon. Supporting modifications include:

- KSTech 'Big' Intake
- Godspeed Inlet
- Large Perrin TMIC
- Perrin BOV
- Grimmspeed 3-port BCS
- Walboro Fuel Pump
- 850cc Injectors
- 3" TurboXS Turbo-Back Exhaust with High-Flow Cat.
- 'Big' Perrin Uppipe

Given that I am running about 21.7 pounds of boost, what do you guys think of these numbers? Is the spool too slow for this turbo (~4500RPM)? Is the peak power too low (305)? I'm hearing different things from different, VERY reputable tuners, so please only weigh in if you have REAL experience and knowledge.
Even with all of the variables (dyno type, elevation, humidity, blah blah blah) you're basically within +/- where you should be. Your curves are indicative of a 2.0L. They just spool later.

In my opinion the 18g was a little too big for the 2.0. the VF48 was probably the best responding turbo for that motor, and the largest that I'd recommend to anyone personally. That said, I prefer early spool & fast response over peak #'s for my driving style. So my tastes are different than the next guys.

I'm curious about the "big" intake and the "big" uppipe. Were those tuner recommended?

Here's my 18g on the 2.0:

Last edited by bdubblu; 04-25-2016 at 09:38 PM.
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Old 04-25-2016, 04:33 PM   #5
adammcl
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Thanks for the data. The 'big' intake was recommended since there were MAF concerns. However that was for a different turbo which turned out to need replacement. Either way, that shouldn't affect anything negatively. The 'Big' uppipe was chosen since it was closer to the turbine inlet size and should help a bit up top. Again, I don't think it's affecting much.
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Old 04-25-2016, 04:37 PM   #6
Lance123
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Is it safe to assume that your setup is non-AVCS?

What fuel?
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Old 04-25-2016, 05:09 PM   #7
adammcl
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Quote:
Originally Posted by bdubblu View Post
Even with all of the variables (dyno type, elevation, humidity, blah blah blah) you're basically within +/- where you should be. Your curves are indicative of a 2.0L. They just spool later.

In my opinion the 18g was a little too big for the 2.0. the VF48 was probably the best responding turbo for that motor, and the largest that I'd recommend to anyone personally. That said, I prefer early spool & fast response over peak #'s for my driving style. So my tastes are different than the next guys.

I'm curious about the "big" intake and the "big" uppipe. Were those tuner recommended?

Here's my 18g on the 2.0:
So you're making almost 40 ft-lb more torque than me. How am I +/- in the correct range...
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Old 04-25-2016, 05:10 PM   #8
adammcl
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Quote:
Originally Posted by Lance123 View Post
Is it safe to assume that your setup is non-AVCS?

What fuel?
I believe so. Its a stock 2.0 WRX motor.

93 octane pump.
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Old 04-25-2016, 05:20 PM   #9
bdubblu
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Quote:
Originally Posted by adammcl View Post
So you're making almost 40 ft-lb more torque than me. How am I +/- in the correct range...
I'll grant you that your tq. is a little low, but you didn't provide the normal "template" of posting your dyno info. Temps, type of dyno, altitude, fuel (which you've now answered).

Well here's other posts for reference:

http://forums.nasioc.com/forums/show....php?t=2292586

http://forums.nasioc.com/forums/show....php?t=1264869


And yes, the EJ20 in the 2004 is non-AVCS
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Old 04-25-2016, 06:08 PM   #10
SkateAndDestroy
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From tuning this setup before, the numbers are where they should be. Spool is a little slow, but the pull was started around 2900. If you floor it at 2500, torque might come in sooner. Peak boost should be around 3600-3900.
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Old 04-25-2016, 06:36 PM   #11
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Thanks for the feedback. I've updated my first post to be more like the links you posted.
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Old 04-25-2016, 06:59 PM   #12
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Quote:
Originally Posted by SkateAndDestroy View Post
From tuning this setup before, the numbers are where they should be. Spool is a little slow, but the pull was started around 2900. If you floor it at 2500, torque might come in sooner. Peak boost should be around 3600-3900.
Thanks for the feedback. I'll get some logs and see how things look when doing a 3rd gear pull starting at lower RPM.
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Old 04-25-2016, 08:03 PM   #13
SkateAndDestroy
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Quote:
Originally Posted by adammcl View Post
Thanks for the feedback. I'll get some logs and see how things look when doing a 3rd gear pull starting at lower RPM.
Sweet...if you post the log here, we can tell you if everything is kosher...If you do the pull on a flat road, I can even put it into Virtual Dyno for you.
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Old 04-25-2016, 09:43 PM   #14
bdubblu
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Quote:
Originally Posted by SkateAndDestroy View Post
From tuning this setup before, the numbers are where they should be. Spool is a little slow, but the pull was started around 2900. If you floor it at 2500, torque might come in sooner. Peak boost should be around 3600-3900.
Don't take this the worng way, but floor it at 2500? I don't think that's a good idea. Putting full load on these motors that early isn't the answer. It's pretty common knowledge that it's bad for the EJ's as far as I know.
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Old 04-25-2016, 10:02 PM   #15
adammcl
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Quote:
Originally Posted by bdubblu View Post
Don't take this the worng way, but floor it at 2500? I don't think that's a good idea. Putting full load on these motors that early isn't the answer. It's pretty common knowledge that it's bad for the EJ's as far as I know.
Why is it said to be "bad"?
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Old 04-25-2016, 10:12 PM   #16
mopar3.0
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that turbo is real nice nice on my 2.1 (272 cams and 9.5.2 cr)
But cant get past 23 psi pas 6500 so its a bit small for my set up
running with meth with 13 degrees timing at pear torque ramping up too about 24 at 8k.
usually makes 380whp on road dyno.
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Old 04-25-2016, 10:36 PM   #17
SkateAndDestroy
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Quote:
Originally Posted by bdubblu View Post
Don't take this the worng way, but floor it at 2500? I don't think that's a good idea. Putting full load on these motors that early isn't the answer. It's pretty common knowledge that it's bad for the EJ's as far as I know.

2500 is pretty standard for datalogs. I don't have an issue with it. I wouldnt go any earlier than that though. Btw, Cobb also states 2500 as a starting point for WOT logs. I also wouldnt recommend flooring it at 2500 in 5/6th gear, downshifting would be better for the motor.
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Old 04-25-2016, 11:04 PM   #18
bdubblu
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Quote:
Originally Posted by SkateAndDestroy View Post
2500 is pretty standard for datalogs. I don't have an issue with it. I wouldnt go any earlier than that though. Btw, Cobb also states 2500 as a starting point for WOT logs. I also wouldnt recommend flooring it at 2500 in 5/6th gear, downshifting would be better for the motor.

Ok. I was confused about what you were telling him, but you were saying for logging purposes.
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Old 04-28-2016, 08:51 PM   #19
cueball89
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Sorry, this took longer than I thought to put up.
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Old 04-30-2016, 12:53 PM   #20
adammcl
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Quote:
Originally Posted by cueball89 View Post
Sorry, this took longer than I thought to put up.
Any idea why you're making quite a bit more torque than me?

^^^ disregard that, I though you also had a 2.0L ^^^

Thanks for the graph!

Last edited by adammcl; 04-30-2016 at 01:32 PM.
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Old 04-30-2016, 01:02 PM   #21
adammcl
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Alright, here's my first attempt at logging. Since making this log I've seen my boost read up to 22.5psi, so this may not be a good representation, but it should be pretty good. I'll get some additional logs once all this rain passes.

HP/torque/boost aside, should the 'Fine Knock Learn' we're seeing here be a concern? (retarding ignition by 1.05 degrees, maximum)

http://www.speedyshare.com/RdXaH/datalog-18g-xtr.csv
[Choose 'Slow Download', in the middle]
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Old 05-01-2016, 01:27 AM   #22
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Okay Guys,

Here's another log from today.

http://www.speedyshare.com/FT382/datalog-18g-xtr-2.csv
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Old 05-01-2016, 11:01 AM   #23
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Your seeing ton of fine knock learning at WOT and your DAM is at 13. Send that log to your tuner right away and have them fix it.
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Old 05-01-2016, 11:27 AM   #24
adammcl
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I'll give them a call tomorrow and see what they have to say.

Any more thoughts/advice in the mean time?

Thanks!
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Old 05-01-2016, 11:28 AM   #25
Shiftace420
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Quote:
Originally Posted by adammcl View Post
I'll give them a call tomorrow and see what they have to say.

Any more thoughts/advice in the mean time?

Thanks!
Stay out of the pedal until you see him. Knock is bad Mmmkay.
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