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Old 06-13-2012, 06:11 AM   #1
AlexNorinh
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Member#: 176002
Join Date: Mar 2008
Chapter/Region: International
Location: Melbourne, Australia
Vehicle:
2001 WRX

Default Hybrid 2.5/Twin scroll GTX3076R Build

Thought I'd add my build thread to this forum also to just get the info out there. Car started its life as an ADM 2001 WRX (bugeye), but not much left of that now Ran the original EJ205 (hard!) to 240,000km before a rod bolt let go and made a good mess (lucky I had already started building). Cut to the chase...

Bits to go in:

New EJ255 Short Block
Balanced Crank & Rotating Assembly
CP 9:1 Pistons
Manley H Beam Rods
Modified Kando Twin Scroll Headers (TS T3 flange, dual EWG VTA, ceramic coated)
Custom 3" VBand Dump with Tomioka Racing 5" Body 100 Cell Metal Cat
Subaru 12mm Oil Pump
Subaru Timing Belt Kit & Water Pump
ID1000 Injectors (May get larger)
2x Turbosmart CompGate40 EWG's (Nominal gate pressure 12psi)
ADM 05 STi Heads (Mild port & clean up)
1mm Oversize Exhaust Valves (Cos some fkn retards cut the seats too deep)
Kelford 264 AVCS Cams
BC Springs
ARP 11mm Head Studs
STi Solid Steering Knuckle
Deatschwerks DW301 in tank Fuel Pump
Turn in Concepts Transmission Cross Member Bushings
JDM AH581 ECU
STi Group N Engine Mounts
Perrin 3" silicone intake
Exedy Racing 'Stage 1' clutch (15803HD)
Exedy FF501 Lightweight flywheel
Hyperflow 'Stage 3' Sump
Process West 72mm CAI & K&N Filter
JDM V7 STi DCCD Factory Option cluster
Garrett GTX3076 - 3" Intake 0.6 A/R, 3" VBand out, T3 twin scroll up 0.82 A/R
Process West Anti-Surge Tank with Bosch 044 Pump
JDM 08 STi AVCS Cam Sprockets


Already on the car:

Engine:
STi Factory Butterfly-less & Port matched TGV Housings
8mm Phenolic Spacers
Parallel Fuel Rails
PFI Fuel Pressure Regulator
Hyperflow Oil Cooler (Foglight mounted, thermo-less sandwich plate)
JustJap Alloy Radiator
Drift Catch Can
Grimmspeed 3-Port Boost Solenoid
Process West V1 FMIC

Driveline/Suspension/Brakes:
JDM 06 STi DCCD 6 Speed Gearbox
Plated R180 Rear Diff
Brembo Front Calipers (Painted World Rally Blue)
DBA5000 Front Rotors
Project Mu HC+ Front Pads
Goodridge Braided Brake Lines
STi R180 Rear Hubs & Driveshafts
Subaru 2 Pot Rear Calipers
DBA656 Rear Rotors
RaceBrakes Comp2 Rear Pads

STi Short Shifter
STi GrpN Transmission Mount
STi GrpN Pitch Stopper
Kartboy Rear Shifter Stay
Kartboy Front Stay Bushings
TiC Shift Linkage Bushings
TiC Pivot Bushings
Whiteline 22mm Front Swaybar
Whiteline Steering Rack Bushings
Whiteline Roll Centre Adjustment Kit
Whiteline LCA Offset Rear Bushings (Sport, Max Caster)
Superpro LCA Front Bushings
H&R Front Camber Bolts
Cusco H Brace (Factory U Brace Removed)
Cusco Front Strut Brace w/ Integrated Brake Stopper

Whiteline Rear Diff Outrigger Bushings
Whiteline Rear Subframe Lock Bolts
TiC Rear Diff Mount Bushings (Race)
STi Pillowball Rear Trailing Arm
Superpro Rear Trailing Arm/Hub Bushings
STi Pillowball Rear Control Arms
Poltec Pillowball Rear Swaybar Links/Mounts
Whiteline 22mm Adjustable Rear Swaybar
Whiteline Heavy Duty Rear Swaybar Mounts
Whiteline Rear Swaybar Lateral Locks
Cusco Rear Strut Brace

Tein SuperStreet Coilovers (Aus. Spec/Fulcrum, Strut Tops Set for Caster)
Volk TE37 17x8 +44

Exterior:
KSTech Scoop Delete
JDM STi HID Headlights (Kaixen 6000k HID Kit)
Coded Skirts
Coded Spats Front & Rear
Coded Side Markers
Coded Mesh Foglight Covers
Clear Side Indicators
Replica STi Grill
Project Mu Lock Nuts
Wingless Bootlid (Welded/Resprayed/De-badged)

Interior:
Greddy SMI Gauges (Oil/Water Temp, Oil Pressure)
Greddy Electronic Peak/Warn Boost Gauge
Innovate LC1 & XD16 Wideband Kit
LinkElectro Knocklink (Custom Outrigger)
Spiider DCCDPro Universal Controller
STi DCCD Thumbwheel & Manual/Auto Switch
Tein EDFC
STi Titanium Shift Knob
STi Alloy Shifter Trim
04 STi Steering Wheel
Brown-Davis Rear Harness Bar
Schroth 6 Point Harness (4 Point Setup)
Terrible Driver

The build is almost complete, but I'll add some pics anyway!













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Old 06-14-2012, 12:05 AM   #2
561wrx
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oh man that is nice
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Old 06-14-2012, 12:47 AM   #3
NW2TONE
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unde your hood makin
your **** go faster

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all that money and putting in a used timing belt?
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Old 06-14-2012, 08:47 AM   #4
AlexNorinh
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Join Date: Mar 2008
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Location: Melbourne, Australia
Vehicle:
2001 WRX

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Old 06-23-2012, 01:53 AM   #5
561wrx
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Hey more I candy
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Old 06-23-2012, 07:14 PM   #6
Purple Drink
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what oil pan is that? And let me know how the gtx3076 turbo does. I have a gt3788r twin scroll and i am thinking of going smaller. I put down 668 at the wheels and believe it or not the turbo is pretty responsive.

Only real difference in our builds is i have dart sleeves and 282/276 Kelford drag cams.

So as soon as you have numbers PM me if you dont want to make them public.

Thanks dude.
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Old 06-23-2012, 08:29 PM   #7
LBell05STI
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Location: Tacoma, Wa
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WRB

Default

Quote:
Originally Posted by NW2TONE
all that money and putting in a used timing belt?
And Manley H-Beams? I run then in my motor but I will never see over 400whp.
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Old 06-23-2012, 11:04 PM   #8
AlexNorinh
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Join Date: Mar 2008
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Location: Melbourne, Australia
Vehicle:
2001 WRX

Default

Quote:
Originally Posted by Purple Drink View Post
what oil pan is that? And let me know how the gtx3076 turbo does. I have a gt3788r twin scroll and i am thinking of going smaller. I put down 668 at the wheels and believe it or not the turbo is pretty responsive.

Only real difference in our builds is i have dart sleeves and 282/276 Kelford drag cams.

So as soon as you have numbers PM me if you dont want to make them public.

Thanks dude.
It's a hyperflow sump:
http://www.hyperflow.com.au/index.ph...hyas-my9707s3k




I'm still on my run in tune (done about 450km), and only just started working on cruise and early spool, keeping things <0.8bar and <5000. I can tell you that it's super responsive and really wants to move. Using e90. These turbos down here in Victoria tend to max out at 300kw/400hp atw. I'll be sure to post results when I'm done, will also hit the drags at some point too.
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Old 06-23-2012, 11:07 PM   #9
AlexNorinh
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Join Date: Mar 2008
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Location: Melbourne, Australia
Vehicle:
2001 WRX

Default

Quote:
Originally Posted by LBell05STI View Post
And Manley H-Beams? I run then in my motor but I will never see over 400whp.
As above, the single scroll gt/x3076r's here max out at 300kw/400hp atw on e. that's for single scroll 0.82 a/r rear housings. Being twin scroll I may lose some top end. Hoping the twin vta gates will help with that
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Old 06-24-2012, 01:09 AM   #10
Purple Drink
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Wow, thats a pricy oil sump even for me

I am about to order the killerbee one but this one seems to have a better oil pick up system.

what do you think?

http://www.killerbmotorsport.com/ind...imalOilPan.htm

I was thinking either way no matter which one i get i am gonna make a custom oil return from the turbo. At 38lbs of boost i have a issue not getting the oil back out of the turbo on decel.
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Old 06-24-2012, 11:25 PM   #11
CeeMan36
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Location: Buffalooo
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08' WRX

Default

Looks like a good start to a great build, few things:

How much boost are you planning on running?

Did you decide to run 9:1 pistons to lower the compression?

How much clearance do you have on your Brembo's with the 17x8 wheel setup?
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Old 06-25-2012, 06:40 AM   #12
AlexNorinh
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Join Date: Mar 2008
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Location: Melbourne, Australia
Vehicle:
2001 WRX

Default

Quote:
Originally Posted by Purple Drink View Post
Wow, thats a pricy oil sump even for me

I am about to order the killerbee one but this one seems to have a better oil pick up system.

what do you think?

http://www.killerbmotorsport.com/ind...imalOilPan.htm

I was thinking either way no matter which one i get i am gonna make a custom oil return from the turbo. At 38lbs of boost i have a issue not getting the oil back out of the turbo on decel.
This one was another option, as was the Moroso. I went with the Hyperflow as I could easily get local support if required.

Quote:
Originally Posted by CeeMan36 View Post
Looks like a good start to a great build, few things:

How much boost are you planning on running?

Did you decide to run 9:1 pistons to lower the compression?

How much clearance do you have on your Brembo's with the 17x8 wheel setup?
Depends what the boost/kw ratio gets to be. I guess I could ballpark around 25psi or so, possibly less for longevity

Do you mean raise? Standard compression EJ25T is 8.2 or so. Using an EJ25 block and EJ20 heads raises compression again, and I also opted for the thinner STi headgasket. I haven't done the calcs, but my static compression ratio should be well over 9:1

From memory I have about 5-10mm. They are genuine Rays TE37's.
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Old 06-26-2012, 12:30 AM   #13
CeeMan36
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Quote:
Do you mean raise? Standard compression EJ25T is 8.2 or so. Using an EJ25 block and EJ20 heads raises compression again, and I also opted for the thinner STi headgasket. I haven't done the calcs, but my static compression ratio should be well over 9:1
You clearly seem to know what your doing but i would like to exercise my knowledge a bit please feel free to correct me im here to learn.

Im alittle consfused as to why you would use thinner headgaskets which raises your CR when your trying to lower your CR since its already high after swapping heads?

I mean if you swap the heads and the CR raises to lets say 10:1 for example and your target CR is about 9:1 adding those gaskets could possibly put you inbetween?

I know im not an expert but it sounds contradicting. Like i said please correct me if im wrong theres obviosly a reason for you doing this.

Also ive been reading alot into these swaps why dont you just have the 2.0 heads machined out to match the 2.5 heads. It sounds like less of a pain in the ass and from what i understand it yields significant gains all throughout the powerband. This guy seems pretty competent http://forums.nasioc.com/forums/show....php?t=1942615.
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Old 06-26-2012, 04:05 AM   #14
vicious_fishes
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Vehicle:
2003 GD w/EZ30D swap

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Quote:
Originally Posted by AlexNorinh View Post
This one was another option, as was the Moroso. I went with the Hyperflow as I could easily get local support if required.



Depends what the boost/kw ratio gets to be. I guess I could ballpark around 25psi or so, possibly less for longevity

Do you mean raise? Standard compression EJ25T is 8.2 or so. Using an EJ25 block and EJ20 heads raises compression again, and I also opted for the thinner STi headgasket. I haven't done the calcs, but my static compression ratio should be well over 9:1

From memory I have about 5-10mm. They are genuine Rays TE37's.
iirc if you use a piston rated on the 57cc sti heads on the 50cc (or whatever it is) heads that the wrx and i think ej20's use, you add around 0.8 to the compression ratio.

so if the piston was rated to 8.2:1, it will have a comp ratio of about 9.0:1.

remember the pistons have their compression ratio on the sti calculated with the sti head gasket. the head CC's aren't including the head gasket.
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Old 06-26-2012, 10:12 AM   #15
AlexNorinh
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2001 WRX

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I'm using e85 full time, so could afford to bump the compression (that was the aim). I used CP's rated at 9:1, very minimal work was done to the combustion chamber - just rounded sharp edges to prevent hot spots. I haven't started tuning midrange or top end yet, but she seems to be taking timing just fine, which is to be expected on e85.

I'm fairly certain the builder recorded all the deck heights, etc, so in theory I could calculate my static CR. Although, I'm sure someone more familiar could probably ballpark it just from experience. Based on the above, my CR may be around 9.8 (assuming a balance of removal of combustion chamber material and deck height matching/used head skimming)? Either way, I'm not overly concerned. As long as I can land this turbo in the high efficiency zones with decent timing, I'll be happy
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Old 06-26-2012, 06:25 PM   #16
CeeMan36
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I have read that with E85 you can run a slightly higher CR! Good buildup so far, will you be posting dyno results/ more pics? Also are you using a standalone ECU?
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Old 06-27-2012, 10:57 PM   #17
AlexNorinh
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Quote:
Originally Posted by CeeMan36 View Post
I have read that with E85 you can run a slightly higher CR! Good buildup so far, will you be posting dyno results/ more pics? Also are you using a standalone ECU?
Thanks. Standard ECU, will convert to Carberry ROM when it's all run in and I'm happy with the MAF tune. Ass-dyno tuning for the moment, will probably attend the next dyno day. I have lots of pics, what are you interested in seeing?
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Old 06-28-2012, 02:03 AM   #18
CeeMan36
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Quote:
Originally Posted by AlexNorinh View Post
Thanks. Standard ECU, will convert to Carberry ROM when it's all run in and I'm happy with the MAF tune. Ass-dyno tuning for the moment, will probably attend the next dyno day. I have lots of pics, what are you interested in seeing?
Basically whatever you feel is the important parts of your build, like the suspension setup, the interior, your car on the track or dyno, anything really... Im sure me and the other NASIOC members wont be disappointed haha
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Old 06-28-2012, 12:13 PM   #19
Bamofo
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TurboMike Tuned 2.35

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Im sure people have already said this but what a great build!! I love that integrated oil pickup for the oil pan too!!!
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Old 06-30-2012, 02:54 AM   #20
LETZgoBUDDY
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^^ seriously. Massive props man. Keep it up.
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Old 07-01-2012, 12:59 PM   #21
AlexNorinh
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Thanks guys. Hit 1200km, so time to turn it up soon! Some more pics in the interim:





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Old 07-03-2012, 09:48 PM   #22
CeeMan36
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^^^ Sick!
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Old 07-05-2012, 09:18 AM   #23
wgr73
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CAMTuning.com

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What type of flange is the GTX3076R? It looks like a T3 but I could be wrong...matches the exhaust housing size too.
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Old 07-06-2012, 03:54 AM   #24
AlexNorinh
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Quote:
Originally Posted by wgr73 View Post
What type of flange is the GTX3076R? It looks like a T3 but I could be wrong...matches the exhaust housing size too.
Yup, it's T3
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Old 07-06-2012, 12:43 PM   #25
wgr73
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CAMTuning.com

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Nice! Those turbos are really nice!
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