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Old 06-14-2012, 11:10 PM   #1
threelete
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Member#: 282906
Join Date: May 2011
Vehicle:
2011 420/445 '11 sti
Obsidian Black

Default 420 / 445 , 2011 sti 20gxt Topspeed SS1

Numbers Dyno: Dyno Jet
Shop: Topspeed,Alpharetta GA
Tuner: Douglas Wilks
Wheel HP: 419.75 (25 psi)
Wheel TQ: 444.55
Ambient Temp: 87 F Elevation: 1000ft (EST.)
Car Info Year: 2011 Sti OBP 5dr
Turbo: Blouch 20GXT 7cm
Engine: Topspeed SS1 block
Intercooler: ETS TMIC
FUEL: E85
Injectors: Injected Dynamics 1000cc
Intake/Inlet: Cobb SF / Perrin 2.4
Headers: Invidia Race Headers *Ceramic coated* and wrapped
Uppipe: Invidia *Ceramic coated*
Downpipe: Invidia Catted
CBE: Nameless Performance

Now I just need some wheels! Car feels great and is flying! Super Quick Spool Another great experience at Topspeed for me!

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Old 06-15-2012, 10:52 AM   #2
WRXt4cy
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11 STi BW 8374 E85
02 v8 Spec C E85

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Nice power!

What are you running for a fuel pump? Any other changes to the fuel system?

I'm thinking about this turbo for my car as well.
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Old 06-15-2012, 04:51 PM   #3
threelete
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Obsidian Black

Default Thanks!

Quote:
Originally Posted by WRXt4cy View Post
Nice power!

What are you running for a fuel pump? Any other changes to the fuel system?

I'm thinking about this turbo for my car as well.
The fuel system mods are: Aeromtive Fuel Pressure Regulator, Aeromotive 340 Fuel pump, ID 1000cc injectors. I didn't do anything else. Here is a complete list of what I've done. there are many choices for turbos out there and if you are going stock location I'd consider the DOM 1.5Xtr 8CM AND 10CM OPTIONS as well. I compared my dyno chart to the DOM 1.5 xtr 10cm and mine doesn't make the peak HP, BUT my power and torque curve are to the left which is a fun thing! My car is making 350 ft. lbs at 3500 rpms. Peak Torque at 3850 rpms (445 ft. lbs.) It delivers more torque and horsepower down low and I've been in a DOM 1.5 xtr 10cm car and it feels great too. Its honestly hard to tell the difference unless you were at the strip where the peak HP helps! I cracked my stock block last year on the 20gxt, thus the motor rebuild. If I had to do it over on the stock block I'd definitely do the following to help my engine: Crawford Air Oil Seperator, Aeromtive FPR, Equal length header, 1500 mile oil change intervals and only ENOES 0w50 or MOTUL 5w40.

Power:
Engine- Topspeed SS1 built block with CP forged coated pistons
Turbo - Blouch 20gxt
Cobb ACcessport pro tuned
NGK plugs
Moroso Oil Pickup
Cobb SF intake DEI wrapped
Injector dynamics 1000cc injectors
Aeromotive 340 fuel pump
Aeromotive fuel pressure regulator
Grimmspeed EBCS
Crawford Air Oil Seperator
Invidia Catted Downpipe
Cobb Turbo Heatshield
Nameless Performance Catback
ACT street clutching
Invidia Equal Length Race Header swaintech coated, wrapped
Invidia Up pipe swaintech coated, wrapped
ETS Top Mount Intercooler
Perrin Turbo Inlet
E85/93 Protuned by Topspeed's Doug Wilks
420/445...e85
372/373.... 93oct

suspension/handling
Whiteline front/rear swaybars
Kartboy Endlinks
Hawk pads


Interior:
SMY Clustermaker Instrument Panel
Maddad Boost gauge
Maddad EGT gauge
PLX Devices DM-6 multi gauge
PLX Devices wideband A/F
Cobb Shift knob
Subaru Underseat Subwoofer
Redline shift boot JDM stitch
Redline e brake JDM stitch
Pioneer Avic Z-130 BT Navigation
JDM A/V trim panel
Dynamat front door panels

Exterior:
Subaru Exhaust finishers
3M window tint
Headlight Armor Yellow Fogs
Cusco Short Antenna
Perrin plate delete
JDM front Lip spoiler


Upcoming: thought list
" stop making this list "
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Old 06-15-2012, 08:51 PM   #4
rsutton1223
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Black Raven

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Told you it would go above 415.
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Old 06-16-2012, 08:01 AM   #5
threelete
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Rob- ha!! Check is in the mail

I'll send you good copies of Mitch and my E85 dyno charts for you to see. I lost my up pipe plug bolt on the way home. Car sounded bad, but I figured it out quick and fixed. Now if I could just find an m12 p1.25 that's short and stainless. Ahhh!!!

Post your chart!
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Old 06-16-2012, 08:02 AM   #6
threelete
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Quote:
Originally Posted by threelete
Rob- ha!! Check is in the mail

I'll send you good copies of Mitch and my E85 dyno charts for you to see. I lost my up pipe plug bolt on the way home. Car sounded bad, but I figured it out quick and fixed. Now if I could just find an m12 p1.25 that's short and stainless. Ahhh!!!

Post your chart!
Btw- you've had me looking at wheels all week.
What our yours Work WSD?
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Old 06-16-2012, 08:41 AM   #7
rexworx
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so your scoob is still IWG, and running a catted downpipe with a 7cm hot side on the turbo. Thats some nice results!!!!!

Whats your injector duty cycle on E85, and what kind of AFRs is it running at WOT?
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Old 06-16-2012, 09:49 AM   #8
rsutton1223
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Black Raven

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Quote:
Originally Posted by threelete View Post
Rob- ha!! Check is in the mail

I'll send you good copies of Mitch and my E85 dyno charts for you to see. I lost my up pipe plug bolt on the way home. Car sounded bad, but I figured it out quick and fixed. Now if I could just find an m12 p1.25 that's short and stainless. Ahhh!!!

Post your chart!
Yeah I bet that sounded funny! You might need a specialty hardware store for that one. Those aren't easy to find for some odd reason.

http://forums.nasioc.com/forums/show....php?t=2368796

Quote:
Originally Posted by threelete View Post
Btw- you've had me looking at wheels all week.
What our yours Work WSD?
Work Emotion 11R's in 18x9.5 +38
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Old 06-16-2012, 04:28 PM   #9
threelete
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Thanks! I actually read all your threads earlier.
I want to see you in an SS1 E85 killer!
Your car would pull some big numbers!!
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Old 06-19-2012, 12:23 AM   #10
LBell05STI
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That curve is amazing I must say. That thing must really put you back in your seat between 3-4000 rpms.
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Old 06-19-2012, 08:54 AM   #11
stretchedk7
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doug is a beast.
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Old 06-19-2012, 11:55 AM   #12
WRXt4cy
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Vehicle:
11 STi BW 8374 E85
02 v8 Spec C E85

Default

Quote:
Originally Posted by threelete View Post
The fuel system mods are: Aeromtive Fuel Pressure Regulator, Aeromotive 340 Fuel pump, ID 1000cc injectors. I didn't do anything else. Here is a complete list of what I've done. there are many choices for turbos out there and if you are going stock location I'd consider the DOM 1.5Xtr 8CM AND 10CM OPTIONS as well. I compared my dyno chart to the DOM 1.5 xtr 10cm and mine doesn't make the peak HP, BUT my power and torque curve are to the left which is a fun thing! My car is making 350 ft. lbs at 3500 rpms. Peak Torque at 3850 rpms (445 ft. lbs.) It delivers more torque and horsepower down low and I've been in a DOM 1.5 xtr 10cm car and it feels great too. Its honestly hard to tell the difference unless you were at the strip where the peak HP helps! I cracked my stock block last year on the 20gxt, thus the motor rebuild. If I had to do it over on the stock block I'd definitely do the following to help my engine: Crawford Air Oil Seperator, Aeromtive FPR, Equal length header, 1500 mile oil change intervals and only ENOES 0w50 or MOTUL 5w40.
Thanks for the extra info.

I've looked at that turbo as well. I'm thinking about the 20g XT-R for even better spool though. I want my power to be right about where you're at but with as early spool as possible.

What actually broke on your stock block? A piston, sleeve, etc? We're you on E85 at the time? I'm kind of surprised you broke it. I was hoping to be able to push my stock block for a while before it needs rebuilding.
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Old 06-19-2012, 02:56 PM   #13
Dave D.
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Dom 1.5xtr JJ tuned

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Quote:
Originally Posted by WRXt4cy View Post
I was hoping to be able to push my stock block for a while before it needs rebuilding.
Haven't so many of us? (For me it was the infamous #4 ringland).
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Old 06-19-2012, 04:17 PM   #14
WRXt4cy
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11 STi BW 8374 E85
02 v8 Spec C E85

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Quote:
Originally Posted by Dave D. View Post
Haven't so many of us? (For me it was the infamous #4 ringland).
Well yeah, but I guess I was hoping (maybe naively) that E85 could help the cause. From the research I've done, its not power that kills a stock EJ257, its knock. Since E85 keeps the knock away, it seemed like it could be a big help.

On the other hand, maybe the newer EJ257's just aren't built like they use to be. Who knows. I've got a shortblock fund, I'm just hoping to not need it right away.
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Old 06-19-2012, 04:26 PM   #15
B.R.E.D
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Quote:
Originally Posted by WRXt4cy View Post
Well yeah, but I guess I was hoping (maybe naively) that E85 could help the cause. From the research I've done, its not power that kills a stock EJ257, its knock. Since E85 keeps the knock away, it seemed like it could be a big help.

On the other hand, maybe the newer EJ257's just aren't built like they use to be. Who knows. I've got a shortblock fund, I'm just hoping to not need it right away.
People say that its knock but in reality its the fact that these engines come with ring gaps around .006 from the factory. Eventually they are going to break a ringland.
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Old 06-19-2012, 05:02 PM   #16
WRXt4cy
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11 STi BW 8374 E85
02 v8 Spec C E85

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Quote:
Originally Posted by B.R.E.D View Post
People say that its knock but in reality its the fact that these engines come with ring gaps around .006 from the factory. Eventually they are going to break a ringland.
Well that's a new one for me. I though the OEM top ring gap is supposed to be ~ .008 - .010. Are you saying Subaru messed up and installed rings with a smaller gap and this is what breaks ringlands rather than too much knock on pump gas?
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Old 06-19-2012, 05:06 PM   #17
B.R.E.D
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Quote:
Originally Posted by WRXt4cy View Post
Well that's a new one for me. I though the OEM top ring gap is supposed to be ~ .008 - .010. Are you saying Subaru messed up and installed rings with a smaller gap and this is what breaks ringlands rather than too much knock on pump gas?
The shop I worked at previously did a lot of drop in pistons and when you pull the factory pistons out the ring gaps are a pretty consistent ..006 some times smaller, almost never bigger. even if they were .008 to .010 thats still a little on the close side.

Poor tuning, bad gas, knock, etc.... are all problems, my opinion is just that ring gaps have as much to do with it as anything.
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Old 06-19-2012, 05:32 PM   #18
WRXt4cy
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02 v8 Spec C E85

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Quote:
Originally Posted by B.R.E.D View Post
The shop I worked at previously did a lot of drop in pistons and when you pull the factory pistons out the ring gaps are a pretty consistent ..006 some times smaller, almost never bigger. even if they were .008 to .010 thats still a little on the close side.

Poor tuning, bad gas, knock, etc.... are all problems, my opinion is just that ring gaps have as much to do with it as anything.
That's not a bad opinion at all and your findings are very interesting.

Thanks for sharing.
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Old 06-19-2012, 05:50 PM   #19
B.R.E.D
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Quote:
Originally Posted by WRXt4cy View Post
That's not a bad opinion at all and your findings are very interesting.

Thanks for sharing.
No problem.

In my opinion thats why you see so many people with mild setups breaking ringlands. It isn't a tune issue as much as it is the ringland issue. First time they really beat on it the rings butt and break the second ringland. Usually they don't notice it right away, its usually not till they have an oil consumption problem.
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Old 06-19-2012, 09:15 PM   #20
threelete
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Quote:
Originally Posted by WRXt4cy

Thanks for the extra info.

I've looked at that turbo as well. I'm thinking about the 20g XT-R for even better spool though. I want my power to be right about where you're at but with as early spool as possible.

What actually broke on your stock block? A piston, sleeve, etc? We're you on E85 at the time? I'm kind of surprised you broke it. I was hoping to be able to push my stock block for a while before it needs rebuilding.
#4 cracked on mine. I threw a misfire code and the car started vibrating more than normal,
especially at idle. I feel that the stock headers are
also part of the equation so I went with Equal Lengths this time around. I know, less subie rumble but it's honestly pretty sweet sounding.
Added power and better VE, I'll take it. The XTR
Will spool even better with a good tune! That DOM 1.5 xtr is worth the consideration too.
When I originally drove to Cobb last summer they
pushed the 7cm XT pretty hard for its streetability ( is that a word?- ha). Then the XTR's came out and I was they guy going " oh well".

Good luck on the build!! If you go E85 do tune on summer blend! That way if you run spring/fall or winter blend less than 80% ethanol you'll be rich rather than lean! If you are tuned on winter blend
and run summer blend you can run lean.
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Old 06-19-2012, 09:15 PM   #21
threelete
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Quote:
Originally Posted by WRXt4cy

Thanks for the extra info.

I've looked at that turbo as well. I'm thinking about the 20g XT-R for even better spool though. I want my power to be right about where you're at but with as early spool as possible.

What actually broke on your stock block? A piston, sleeve, etc? We're you on E85 at the time? I'm kind of surprised you broke it. I was hoping to be able to push my stock block for a while before it needs rebuilding.
Yes, I was on e85 when mine cracked.
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Old 06-19-2012, 10:16 PM   #22
LBell05STI
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I would rather be tuned on winter blend and run rich in the summer. I would never want to knowingly set my car up to run lean. During the winter with lower ambient temps your vehicle will be running a lot better and having a crappy blend on a tune for a better blend might cause some damage.
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Old 06-19-2012, 10:53 PM   #23
threelete
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Quote:
Originally Posted by LBell05STI
I would rather be tuned on winter blend and run rich in the summer. I would never want to knowingly set my car up to run lean. During the winter with lower ambient temps your vehicle will be running a lot better and having a crappy blend on a tune for a better blend might cause some damage.
It's the opposite.
If tuned on winter blend, you will run lean in summer. ( winter= rich blend more gas, less ethanol, summer: lean blend less gas, more ethanol). So, if you are tuned on a rich winter blend your car will run lean on summer blend= bad.
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Old 06-19-2012, 11:34 PM   #24
threelete
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Obsidian Black

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Quote:
Originally Posted by rexworx
so your scoob is still IWG, and running a catted downpipe with a 7cm hot side on the turbo. Thats some nice results!!!!!

Whats your injector duty cycle on E85, and what kind of AFRs is it running at WOT?
Yep, still IWG. IDC's are at 88% at WOT on E85
AFR at WOT I'll have to check. I've seen high 10-11 readings on my wideband at WOT. I'll log tomorrow AM.
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Old 06-20-2012, 07:20 AM   #25
stretchedk7
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Wow that's rich for Doug and e85 it seems. Did he tune off your wideband or his? Jw.
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