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Old 09-14-2015, 12:10 PM   #1
xluben
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Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
Vehicle:
2002 WRX - 750WHP
9.5s @ 150mph

Default xluben's 2002 WRX | NF Performance | IAG Closed Deck | 6766 | 800+WHP | 9.5s @ 150mph

There aren't a lot of threads in this section, so I figured that creating a new one for my new setup wouldn't hurt. Since the last time at the dyno/track (666WHP and 9.9-10.1 @ 139-140mph) I have switched to an IAG closed deck 2.5L motor with IAG 1/2" headstuds. Rotating assembly is similar spec to the last motor. Cams upgraded from GSC S1 (268) to Kelford 282's. The turbo went from a PTE 6266 to a PTE 6766.

Wednesday:

As of Wednesday of last week the motor was still being assembled. NF Performance did the assembly and got it done and back to me Wednesday afternoon. I spent the evening/night installing it into my car and trying to troubleshoot any major issues. Then I did cam break in and changed the oil.





Thursday:

Thursday I drove it about 10 miles to the shop and we continued to troubleshoot. We fixed various boost leaks and then found that fuel pressure wouldn't go above 20psi. We did a lot of troubleshooting before determining it was a torn hose in the fuel tank. That was replaced and fuel pressure was back to normal.

Just to be safe, the car was trailered to the dyno that afternoon. It was strapped down and on the first pull (wastegate pressure of 35psi) it made just shy of 700WHP. A few more 35psi pulls were all 700WHP +/- 10WHP or so. Then we cranked the boost up and made over 800WHP at 50psi+. Fuel couldn't keep up so the final tune was back down around 40psi and made about 750WHP. I threw on the DSS CF driveshaft that night.









Friday:

Friday morning I loaded the car up with tools, clothes, 10 gallons of E85 and my set of Hoosier slicks in the backseat. My brother and I drove 2 hours up to BIR for the Proving Grounds event. First pass was on the street tires (Mickey Thompson ET Street Radials that I drove up on) and no boost off the line, and I did a 9.5 @ 150mph!





Saturday:

Saturday morning we put the slicks on and then loaded a drag map that would make 18psi on the 2 step. Then I watched one of NF's other cars break the output shaft on the first launch (on slicks and boost on the line). I ended up taking my slicks back off and reloading the no boost launch map.

I did 2 more passes. The first one bogged the launch and then hit the rev limiter before the finish line (trying to hold out 4th gear). The second pass caused my velocity stack to fall off on the 1-2 shift and then the coupler got sucked into the turbo (and destroyed it) in the middle of 4th gear.





Event: MAPerformance Proving Grounds
Location: Brainerd International Raceway (MN)
Ambient Temp: ~60F
Elevation: ~1,200ft (DA: 1,335ft)
Weather: Sunny and Clear
Tires: 26" Mickey Thompson ET Street Radials on 15x7" +35 Rota Slipstream Wheels

Car: 2002 WRX Sedan
Tuner: Nuke @ NF Performance
Transmission: 2012 STI 6 Speed
1/4 Mile ET: 9.51s
1/4 Mile Trap: 150.5mph
60': 1.56s
Target Boost: 43psi
Target AFR: 11's
Fuel: E85

9.5s @ 150mph @ 43psi on E85

Full Build Thread:

http://forums.nasioc.com/forums/show....php?t=2528768

Engine:
  • OEM 2.5L Case with IAG Closed Deck Conversion
  • IAG 1/2" Headstuds
  • OEM 2012 STI Heads (running Non-AVCS)
  • OEM Subaru Crank
  • JE Pro Seal Head Gaskets
  • JE 99.75mm Pistons
  • Manley Turbo Tuff I Beam Rods
  • King Rod and Main Bearings
  • Kelford 199-L (282) Camshafts
  • GSC Beehive Springs w/Retainers
  • GSC Valve Seals
  • Aluminati Solid Billet Motor Mounts
Intake/Exhaust/Fuel:
  • Precision 6766 Turbo
  • KillerB EL Header
  • Fobia Fab Modified for FogLight Mount
  • Fobia Fab Fender Exhaust Dump
  • Fobia Fab Oil Sump
  • TurboWerx Exa Pump Mini Oil Scavenge Pump
  • Custom AN Oil Return Lines/Fittings
  • Treadstone FMIC
  • TurboSmart 40mm HP (35psi) EWG
  • TurboSmart Race Port BOV
  • TurboSmart FPR 1200
  • Walbro 465 Fuel Pump
  • DW 300 Fuel Pump
  • Boost A Pump
  • ID2000cc Injectors
  • IAG Fuel Rails and Lines
  • Treadstone 4" Velocity Stack
Drivetrain/Transmission
  • OEM 2012 STI 6MT
  • DSS CF Driveshaft
  • DSS 800HP Rear Axles
  • OEM STI R180 Rear Diff
  • OEM 2004 STI Front Axles
  • Anarchy Motive Shift Knob
  • Kartboy Short Shifter
  • Kartboy Front Shifter Bushings
  • Karboy Rear Shifter Bushings
  • Aluminati Solid Billet Tranny Mount
  • Aluminati Solid Billet Pitch Stop Mount
  • ACT HD Pressure Plate
  • ACT 4 Puck Unsprung Disk
Suspension/Wheels:
  • 15x7" +35 Rota Slipstream Wheels
  • 26" Mickey Thompson ET Street Radial Tires
  • 02 WRX Struts
  • Eibach Pro Kit Springs
Interior/Electronics:
  • MapDCCD Differential Controller
  • MapDCCD Wheel Speed Signal Processor
  • ProSport EVO Boost Gauge
  • ProSport EVO Oil Pressure Gauge
  • AEM Wideband O2 Gauge
  • Odyssey Slim Battery
Exterior:
  • Seibon CF RS-Style Flat Hood
  • OEM Fog Light Covers
  • Impreza Wingless Trunk
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Old 09-14-2015, 12:11 PM   #2
xluben
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Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
Vehicle:
2002 WRX - 750WHP
9.5s @ 150mph

Default

Motor Pull Video:


Motor Install Video:


Dyno Video:


1/4 Mile Video:


Last edited by xluben; 09-15-2015 at 01:21 PM.
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Old 09-14-2015, 12:20 PM   #3
xluben
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Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
Vehicle:
2002 WRX - 750WHP
9.5s @ 150mph

Default

Additional Build Photos:

TurboSmart HP Gate (35psi)



Bluetooth E85 Sensor from FlexConverter.com



Kelford 282 Cams



Garage



Internals:



IAG Closed Deck and 1/2" Headstuds







Aluminati Solid Mounts:



KillerB/Fobia Low Mount Header:

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Old 09-14-2015, 01:14 PM   #4
wgr73
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Member#: 232458
Join Date: Dec 2009
Chapter/Region: SWIC
Location: Las Cruces/El Paso
Vehicle:
2005 & 2008 STi
Cobb 20g & EFR 7670

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Awesome Ben, great work!!
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Old 09-14-2015, 02:58 PM   #5
Chief_WRX
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Location: Gardner, Kansas
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2016 Focus RS
Stealth Grey

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Wow that 834WHP pull was intense.
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Old 09-14-2015, 03:18 PM   #6
A-man07
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7/2 STi/WRX wagon
SWP/AW

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Absolutely perfect launch. Amazing.
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Old 09-14-2015, 03:56 PM   #7
user1029
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2008 STi IAG built
HTA86 E85 Kel272s Cos IM

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dat speedo
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Old 09-14-2015, 04:30 PM   #8
be0tch
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There are so many great parts of this, but I think my favorite is pegging the needle off the end of the speedo.
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Old 09-14-2015, 05:17 PM   #9
user1029
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HTA86 E85 Kel272s Cos IM

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He needs the STi speedo that reads to 160
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Old 09-15-2015, 01:08 PM   #10
linda1
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Quote:
Originally Posted by xluben View Post
good video and interesting to see
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Old 09-15-2015, 01:20 PM   #11
xluben
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2002 WRX - 750WHP
9.5s @ 150mph

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Here's the video of the motor install:

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Old 09-15-2015, 02:23 PM   #12
BigRob74
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DIB

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wow..damn impressive. what are you going to do about the turbo just replace it with another one of the same size? how much faster to do you want to go at this point?
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Old 09-15-2015, 03:07 PM   #13
xluben
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2002 WRX - 750WHP
9.5s @ 150mph

Default

Quote:
Originally Posted by BigRob74 View Post
wow..damn impressive. what are you going to do about the turbo just replace it with another one of the same size? how much faster to do you want to go at this point?
I'll stick with the 67mm for now. Need to redo the fuel system and probably beef up the driveline before going bigger.
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Old 09-15-2015, 09:44 PM   #14
Zee Biker
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You've got some profile updating to do.
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Old 09-16-2015, 09:34 AM   #15
xluben
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2002 WRX - 750WHP
9.5s @ 150mph

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Quote:
Originally Posted by Zee Biker View Post
You've got some profile updating to do.
Done.
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Old 09-18-2015, 09:43 AM   #16
xluben
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2002 WRX - 750WHP
9.5s @ 150mph

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Precision just happened to have a refurbished 6766 (journal bearing / v-band) for sale on their site for well below retail so I picked that up. It arrived yesterday and I put it on the car for a couple quick test runs. Still seems to be making good power so I am optimistic that the motor is healthy.


The refurb from PTE looks great. Everything looks to have been media blasted and looks nearly like new. A couple cosmetic marks in the compressor cover, but that's it. The damaged turbo will be sent back to PTE for rebuild sometime in the near future and then sold. Let me know if you're interested!











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Old 09-18-2015, 05:20 PM   #17
user1029
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HTA86 E85 Kel272s Cos IM

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The coupler was an appetizer, next up on the food chain is a Pontiac G6
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Old 09-18-2015, 06:45 PM   #18
LatentWagen
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9-2xAero5MT DGM & MBP

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Awesome build, and driving. Saw the bits flying on the last run
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Old 09-23-2015, 02:25 PM   #19
xluben
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2002 WRX - 750WHP
9.5s @ 150mph

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I never got a copy of the plot from the final 40psi tune on the dyno so I pulled a quick log and plotted it in Virtual Dyno. The actual Dynojet was showing 75X WHP and the Virtual Dyno is a little higher, but temps were cooler when I did the VD log.



Powerband has nothing up to 4,000rpm and then goes from 250WHP to 700WHP between 4k and 5k. Then it is above 700WHP until almost 8k. This is in 4th gear so spool looks much better than the other plot I posted from the dyno (834WHP) because it was in 3rd gear.
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Old 09-23-2015, 03:39 PM   #20
Miggs1337
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Gloss Vengeance Red

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Have you given any thought to a reverse manifold? Regardless, the spool is impressive for a 67mm turbo.
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Old 09-23-2015, 03:56 PM   #21
xluben
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2002 WRX - 750WHP
9.5s @ 150mph

Default

Quote:
Originally Posted by Miggs1337 View Post
Have you given any thought to a reverse manifold? Regardless, the spool is impressive for a 67mm turbo.
Yes, I would like to someday. I have the alternator relocated. I just haven't taken the time to get the custom work done. Something else always comes up. Spool isn't a real big concern of mine, so I imagine the other benefits will be fairly minor.
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Old 09-23-2015, 04:13 PM   #22
subbi7
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Arotated intake manifold have its own disadvanteges. The radiator fans blows on the charge pipe that is coming from the intercooler...
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Old 09-28-2015, 05:58 PM   #23
BroBroBroBroBro
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what happens to the car when you ingest something like that?
you gotta take it all apart?
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Old 09-29-2015, 09:58 AM   #24
xluben
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2002 WRX - 750WHP
9.5s @ 150mph

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Quote:
Originally Posted by subbi7 View Post
Arotated intake manifold have its own disadvanteges. The radiator fans blows on the charge pipe that is coming from the intercooler...
Yeah, but having it run through the back of the engine bay probably isn't that much better.

Quote:
Originally Posted by BroBroBroBroBro View Post
what happens to the car when you ingest something like that?
you gotta take it all apart?
The video and Virtual Dyno plot that I posted just a few posts up are with a new turbo and the same motor. I did dump some compressor wheel chunks out of the intercooler while still at the track, but other than that I just swapped a new turbo on and it still seems to be doing OK, so I think I got lucky and everything still seems pretty healthy.
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Old 09-30-2015, 01:12 PM   #25
subbi7
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Ben did you blow up youre new engine?
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