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Old 08-02-2013, 01:31 AM   #1
hummelsubaru
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Join Date: Aug 2009
Location: PRC/UK
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'05 WRX JBP WFC#207
GTX3076 ViPec V44

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Finally, Im getting around to it and give a go on Dynojet in my city.
The number is a little bit impresive to me and curve turns out to be smooth and normal.


Before:
Facility: Craftology Fabrication Beijing PRC
Weather: 96.8F
Humidity: over 50% (was pouring on that day)
Tuner: Lusang
Dyno info: Dyno Cosber
Baseline for dyno: 210whp 2.5 STI
Gear: 4th
Peak HP: 377 @5698 RPM
Peak TQ: 350 @5586 RPM
Target Boost: 22-23 psi
Target AFR: 10.8
Fuel: Local Ron 95 equivallant to 91 in US, maybe even worse
ECU: ViPec V44 PnP, ViPec IAT, Knock Interface
Vehicle: JBP 05 EUDM WRX with T20C701 block swapped

After:
Facility: ABL Beijing PRC
Weather: 100 F
Humidity: less then 15% (sunny and roasted day)
Tuner: Lusang
Dyno info: Dyno Cosber
Baseline for dyno: 210whp 2.5 STI
Gear: 4th
Peak HP: 419 @6200 RPM
Peak TQ: 390 @5400 RPM
Target Boost: 24 psi
Target AFR: 11 after injection
Ignition timing: 12-17 degree
Fuel: Local Ron 95
ECU: ViPec V44 PnP, ViPec IAT, Knock Interface
Meth Injection: Aquamist HFS6 with 100% ethanol, 1mm jet with 0.9mm restrictors

Now
Facility:Fist Auto Beijing PRC
Weather: 60 F windy
Humidity: 20%
Dyno info: DynoJet
Baseline for dyno: 230whp 2.5 STI
Gear: 4th
Factor: STD
Peak HP: 455.7whp
Peak TQ: 545.37wtq(NM)
Target Boost: 24 psi
Target AFR: 11.2 after injection
Ignition timing: 12-17 degree
Fuel: Local Ron 95
ECU: ViPec V44 PnP, ViPec IAT, Knock Interface
Meth Injection: Aquamist HFS6 with 98% ethanol, 1mm jet with 0.9mm restrictors



Engine Spec:

T20C701 MY05 JDM STI Spec-C Engine with 8,000rpm Fuel Cut
T20C701 MY05 JDM STI Spec-C Block
Custom Made Aluminium FMIC Pipes
Spec-C Straight Runner Reversed Manifold

Manley 2.2 Forged Pistons 8.5:1 Comp Ratio
Manley Turbo Tuff I Beam Conrods
BC Valve, Spring and Titanium Retainer

12 STI Crankshaft
Power Division GSC Stage 2 Camshaft 272 Degree
ACL Spun Bearings and Main Bearings
12mm Subaru Japan Experimental Oil Pump
ARP Head Bolt
Perrin Signature FMIC with Red Pipes and Black Core
Perrin Signature FMIC Black Core
Perrin 77mm Big Maf Intake
K&N RE0880 Diametre 102mm Height 356mm
Custom Made Intake Pipe 102mm with HKS Filter for better sound
Perrin Alumium Catch-Up Tank
Cusco Air/Oil Seperate Tank
Grimmspeed Air/Oil Seperator
Denso IK22 7 degree Spark Plugs
Tomei Equal Length Manifold
Tomei Up Pipe
Cusco Downpipe
Custom Made Rotated Up Pipe T3 Flange and Extension
Custom Made Rotated Downpipe with V-band Flange

HKS Spec-R Mid and Rear Exhaust
HKS Silencer Mid and Rear
DW 850cc Top Feed Injector
DW 1000cc Top Feed EV14 Injectors
Custom Made Fuel Rail with AN6 connectors and Braided hoses
AEM Fuel Reguator
Walbro 255L Fuel Pump
DW 301 300L/H Fuel Pump
Blouch Dominator 1.5 XT-R Turbo (GT30R with 10cm2 Hotside)
Garrett GTX3076R 102mm Anti-Surge Inlet with .82 Hotside
Blouch Turbo Hotside Blanket
Tial 55mm Q Valve
Tial 44mm External Wastegate
Prodrive 3-Pot Boost Solenoid
Grimmspeed 3-Pot Boost Solenoid
Grimmspeed Manul Boost Controller

Grimmspeed 8mm Manifold Gasket
Omni 4 Bar MAP Sensor
Innovation LC-1 Wide-Band O2 Sensor
AEM Wide-Band O2 Sensor
JUN Carbon Fibre Bonnet Dampers
Killer B Radiator Cover
Killer B Alternator Cover
Sickspeed Bolts in purple
Custom Made top Mounted Oil Cooler Setup
Greddy Grex Thermostat Oil adapter (85 degress fully open)
Aquamist HFS 6 Water/Meth Injection Kit
Howerton Engineering Two Gallon Twin Tank with Pump Cooling Fans

Re-Routed AC pipes and Power Steering Pipes
DEI Titanium Exhaust Wraps
455.7whp and 545.37wtq (NM)
24psi all the way to 7800rpm

















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Last edited by hummelsubaru; 05-13-2014 at 03:55 AM.
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Old 08-02-2013, 02:48 AM   #2
rexblake
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No offense, but that dyno looks terrible. When are you hitting full spool on the street?
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Old 08-02-2013, 03:15 AM   #3
hummelsubaru
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GTX3076 ViPec V44

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Quote:
Originally Posted by rexblake View Post
No offense, but that dyno looks terrible. When are you hitting full spool on the street?
3rd gear around 5000 hit 23psi.

I know the curve looks terrible coz i use smooth 120. if i use smooth 360, the curve will look like other normal dyno curves.

Thanks anyway.

Last edited by hummelsubaru; 08-02-2013 at 03:26 AM.
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Old 08-02-2013, 03:27 AM   #4
rexblake
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Quote:
Originally Posted by hummelsubaru View Post
3rd gear around 4800 hit 23psi.

I know the curve looks terrible coz i use smooth 120. if i use smooth 360, the curve will look like other normal dyno curves.

Thanks anyway.
The curve looks bad on the dyno because your hitting full boost at 5700rpms and only make 370whp. That's what I was referring too. Glad to hear it spools faster on the street.
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Old 08-02-2013, 03:36 AM   #5
hummelsubaru
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GTX3076 ViPec V44

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Quote:
Originally Posted by rexblake View Post
The curve looks bad on the dyno because your hitting full boost at 5700rpms and only make 370whp. That's what I was referring too. Glad to hear it spools faster on the street.
Thanks for this mate.

Dyno Cosber is still under development. They are improving so it will be better la'er on.
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Old 08-02-2013, 08:45 AM   #6
Paul
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Quote:
Originally Posted by rexblake View Post
The curve looks bad on the dyno because your hitting full boost at 5700rpms and only make 370whp. That's what I was referring too. Glad to hear it spools faster on the street.
+2


OP: how does it compare to your 1.5xtr setup? got a plot of that?
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Old 08-04-2013, 09:45 PM   #7
hummelsubaru
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GTX3076 ViPec V44

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Quote:
Originally Posted by Paul View Post
+2


OP: how does it compare to your 1.5xtr setup? got a plot of that?
more torque this time but this time im running bad fuel (was local 97 now local 95)
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Old 08-05-2013, 02:10 AM   #8
Drewswrx
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You have a beautiful car. I bet that thing is a blast. You did a good job on it. Very clean and I really like the body work on it also.
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Old 08-05-2013, 02:49 AM   #9
hummelsubaru
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GTX3076 ViPec V44

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Quote:
Originally Posted by Drewswrx View Post
You have a beautiful car. I bet that thing is a blast. You did a good job on it. Very clean and I really like the body work on it also.
Cheers mate!
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Old 08-05-2013, 03:15 AM   #10
Drewswrx
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How does that water/meth set up work for you? Does it it add any good usable power? I was thinking about getting a kit next summer and using it just in the summer time so I can run maybe a little more timing or boost when it's hot out without having to run the car so rich.
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Old 08-05-2013, 03:23 AM   #11
hummelsubaru
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'05 WRX JBP WFC#207
GTX3076 ViPec V44

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Quote:
Originally Posted by Drewswrx View Post
How does that water/meth set up work for you? Does it it add any good usable power? I was thinking about getting a kit next summer and using it just in the summer time so I can run maybe a little more timing or boost when it's hot out without having to run the car so rich.
I haven't got it fitted coz im waiting my buddy to do the wiring work for me this weekend. I will let you know the result straight after.
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Old 08-05-2013, 04:02 AM   #12
Drewswrx
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Thank you that would be great. Good luck with it look forward to hearing from you.
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Old 08-05-2013, 05:23 AM   #13
reid-o
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I think your air filter is far too small.

I'm jk. Nice setup
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Old 08-06-2013, 03:58 PM   #14
Str8Gone
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I like the body lines, was this car originally white?
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Old 08-07-2013, 10:07 PM   #15
gurusan
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Really nice build...but I think that's about the worst powerband I've ever seen...? Full boost at 5000rpm on the street for 377hp?
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Old 08-08-2013, 03:16 AM   #16
tanker_wx
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bad fuel anyway...
u might want to try E85
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Old 08-08-2013, 03:28 AM   #17
hummelsubaru
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GTX3076 ViPec V44

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Quote:
Originally Posted by gurusan View Post
Really nice build...but I think that's about the worst powerband I've ever seen...? Full boost at 5000rpm on the street for 377hp?
bad fuel anyway. im trying to lean out, advance ignition and boost up. but each of them brings huge knocks.

eventually, target afr is 10.6-10.8, peak boost 22psi, ignition is 14 degree which are really really bad.

Another factor i suppose is dyno itself coz its local brand and still under development.
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Old 08-08-2013, 04:15 AM   #18
StIGC11
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Yea with a Garrett GTX3076R you should be seeing full boost way before that. My car hits 24psi by 5100rpm in 3rd gear with a BW 88-75 (40r).
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Old 08-08-2013, 04:31 AM   #19
hummelsubaru
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'05 WRX JBP WFC#207
GTX3076 ViPec V44

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Quote:
Originally Posted by StIGC11 View Post
Yea with a Garrett GTX3076R you should be seeing full boost way before that. My car hits 24psi by 5100rpm in 3rd gear with a BW 88-75 (40r).
Thanks mate.

Are you running 2.2? or you running 2.5? im sorting out the problem now. hopefully its all down to dynometre.
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Old 08-08-2013, 06:54 AM   #20
Scuby04STi
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Hmmm, yeah something is off on this.

I know its a 2.2 but it should pick up boost sooner and keep pulling seeing you did head work along with that GTX. Have you checked to be sure the turbo is in good working order?

I'm running a 2.5 with similar head work but 8:1 and 92 for fuel picking up boost at 4k and it made more power till I cut it off st 8k.

But that aside good work making that bay clean, also what fenders are those?
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Old 08-08-2013, 10:34 PM   #21
hummelsubaru
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GTX3076 ViPec V44

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Quote:
Originally Posted by Scuby04STi View Post
Hmmm, yeah something is off on this.

I know its a 2.2 but it should pick up boost sooner and keep pulling seeing you did head work along with that GTX. Have you checked to be sure the turbo is in good working order?

I'm running a 2.5 with similar head work but 8:1 and 92 for fuel picking up boost at 4k and it made more power till I cut it off st 8k.

But that aside good work making that bay clean, also what fenders are those?
Turbo should be okay because its new with 4 inch inlet anti-surge. and i did check it before i get it fitted on.

some further questions for all your guys. The answers will be appreciated.
What is the possible problem to cause late peak boost and less power apart from hardware failure.
Some reference datas:
afr 10.6-10.8
IDC (dw1000cc) 91%
2.2 kit
gtx3076 22-23 psi
ignition 13-14 degree
Bad fuel in my city

Thats what I did during the tune to make knock free. So weired.
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Old 08-09-2013, 12:34 AM   #22
J3SST3R
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Probably the square piston design that makes these strokers a knocking b****. and a combination of the lower grade fuel, Meth might help your situation but only to some extent before hitting the same plateau your at currently...
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Old 08-09-2013, 12:37 AM   #23
StIGC11
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What AFR are you running up tell peak torque? How much timing you running before peak torque?
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Old 08-09-2013, 03:14 AM   #24
hummelsubaru
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Quote:
Originally Posted by J3SST3R View Post
Probably the square piston design that makes these strokers a knocking b****. and a combination of the lower grade fuel, Meth might help your situation but only to some extent before hitting the same plateau your at currently...
why square piston design makes those knocks?

Meth is ready and waiting for rewiring to the ViPec

Thanks mate!
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Old 08-09-2013, 03:16 AM   #25
hummelsubaru
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Quote:
Originally Posted by StIGC11 View Post
What AFR are you running up tell peak torque? How much timing you running before peak torque?
afr is 10.8 i remembered but i forgot timing ignition, i will check for log and let you know afterwards.

Cheers
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