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Sleepers build thread

73206 Views 293 Replies 63 Participants Last post by  nickjust26
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Alrighty, thought it was about time to get a build thread going. Car arrived in Texas on May 29th. Had it shipped out here to Cali and I had the keys 4 days later


Found a good spot for the blanking plate too


First thing coming right off the truck, we removed the blanking plate and threw it on the dyno for some break in and some baseline pulls. Window sticker still installed...


Heres what a stock 2015 STi does against the RS


Had some parts already to go on the car. Knew it was probably going to have some of the same faults the ST has. Cobb RMM went on. Then a couple of days later Turbosmart sent us some parts for testing
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Photo shoot time! Got my buddy to take some shots, and some shots of the Cobb AP for the release


Also was the perfect time to try out drift mode


Right now the car is getting clear bra. Then its on to fine tuning for some E30 goodness and installing a Turbosmart IWG for testing.

Also just got some Diode Dynamics LED's for the brakes and reverse lights. Once I get the car back Ill do a side by side comparison.
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Current mod list

Engine/Trans:
COBB filter
COBB rear motor mount
COBB AcessPort Ptotuned by Snail Perfomance
ETS intake
Turbosmart Kompact 50/50 BOV
Turbosmart wastegate actuator with 14psi spring
ETS intercooler w/pipes
Miltek cat back exhaust
Miltek catless downpipe
Mountune PTU brace
Radium PCV plate
Mountune quick shifter
UPR oil cap breather
Radium catch can
Your little CNC shop trans cable bushings
Your little CNC shop shifter base bushings

Suspension:
Pedders Coilovers w/ camber plates 7k springs front and rear
Whiteline 24mm front sway bar
Whiteline 22mm Rear Sway bar
Whiteline front endlnks
Massive rear camber arms
Pierce Motorsports front H-Brace
Pierce Motorsports RDU braces
Rays 57DR 18x8.5 +38
Goodridge steel braided brake lines
2.9* front camber 1.8* rear camber. Zero toe


Misc. crap
Euro rear diffuser
Euro center console
Anderson Composites carbon fiber hood
Redline hood struts
Grimmspeed lightweight battery tray
Steeda clutch assist spring
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Oh god you are making me drool at your car. I'm so jealous right now haha. I can't wait to get my RS!! Then maybe I can race you lol


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Looking forward to this thread!

I am curious about the Turbosmart installs. The picture seems to show you have the BOV body set pretty far soft, have you had to make any adjustments to it? Did you install the waste gate as well? I can't seem to find any guidance on the waste gate install and I don't want to go into the task totally blind with my limited tool collection and crappy jack/stands that give me next to no room to work with :(

How is the COBB RMM as far as added NVH?

P.s. I'm hoping to come visit my mom in Sacramento in the nearby future, I'd love to see your car if you're willing, perhaps you can show me that parking lot there so I can really turn my RS loose on drift mode :)
Looking forward to this thread!

I am curious about the Turbosmart installs. The picture seems to show you have the BOV body set pretty far soft, have you had to make any adjustments to it? Did you install the waste gate as well? I can't seem to find any guidance on the waste gate install and I don't want to go into the task totally blind with my limited tool collection and crappy jack/stands that give me next to no room to work with :(

How is the COBB RMM as far as added NVH?

P.s. I'm hoping to come visit my mom in Sacramento in the nearby future, I'd love to see your car if you're willing, perhaps you can show me that parking lot there so I can really turn my RS loose on drift mode :)
Thanks! Yea I've made a few adjustments to the bov. We were given two different Springs to test. I have the stiffer one in there now so that's why it's set a little soft. These cars also control the bov through the ecu. It's pretty trick some of the things it does with it.

So here's how it works: there's a 3 port switching valve. It's connected to a boost refrence, brake booster (for vacuum) and the bov. The stock is very simple in construction and has a dinky spring. When in the throttle, the 3 port puts a lot of boost pressure behind the diaphragm to keep it shut. When you lift the throttle, the 3 port switches to the vacuum and opens the valve. So if you have switched yours, you'll notice the valve hangs open for a really long time and will vent a lot even at no loads. It's a good thing, just pretty loud. The ecu can also command the valve open in certain situations to help spool up, or to limit boost pressure/torque.

We found that in 6th gear and cruising with light throttle, the bov actually opens and STAYS OPEN. This is to help spin the turbo up faster because there's no restrictions. So if you give it gas in 6th gear, the spool up is really fast. It's a good feature, but pretty annoying going down the freeway because it's venting air and kinda loud Haha.

So we have been working with turbosmart and put some parts on from the Ecoboost Mustang to eliminate the ecu's ability to control the bov. You can see the pictures above of the install (the ones with the plastic engine cover off). It's a pretty simple install and we just turned off the 3 port with the AP. The way we installed it is pretty clean and you wouldn't know it's there unless you were really looking.

I haven't gotten around to the waste gate yet, but that's next. We have two different Springs to test on that as well. Just by looking, getting the heat shield out of the way, removing the plastic cowl, and maybe the intake, should give you enough room. I'll do a write up and post here when we get it done. Big thing is were were waiting on the Cobb AP, and once we had the pre release we were messing with that and getting other data to turbosmart about the bov first. So probably in the next week or two I'll tackle that.

The Cobb RMM did add quite a bit of vibration especially at idle and with the a/c on. We raised the idle to 1000 and it's helped a lot. But other than at idle, I hardly notice it.


Yea man come on up! Check out the shop and whatnot. And that way you can take a closer look at things on my car on what I've done so far. Still more to come!
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Looking great so far!
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Oh god you are making me drool at your car. I'm so jealous right now haha. I can't wait to get my RS!! Then maybe I can race you lol


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Yea dude you're going to love it! Well if a race is what you want, maybe I shouldn't post everything I do to my car ;)
Yea dude you're going to love it! Well if a race is what you want, maybe I shouldn't post everything I do to my car ;)
Oh, I see how it is


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If you're looking for clear bra in the Sacramento area, Mike at appearance Solutions is the way to go. He met me after hours on a weekend to take in my car, and he goes the extra mile. He does excellent work and is very meticulous, so don't expect to have your car back for a couple days

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Got the car back from clear bra. Super impressed with the outcome! I had no idea, but he ended up doing my headlights, fog lights, and fuel door as well. And completely wrapped all the edges. A++ in my book.

So ever since I installed a Cobb filter and Moutune elbow, Ive been getting the whistle sound from the intake. Sounds much like air going over the mouth of a coke bottle. Its especially loud on cold start and during low throttle application. The Mountune sound suppressor chamber came in the mail today so I threw it on


No more whistle! It was driving me crazy!

Also threw some Diode Dynamics LED's in. Tried to get some side by side with the stock bulbs but it didnt come out well on my phone. I got the brightest LED's they offer and they are quite a bit brighter.


Also just got word that my car will be in the Turbosmart booth at SEMA! So if any of you are making it out there this year, swing on by!
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@Sleeper Where did you get your clear bra done at? And how much did it cost?
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@Sleeper Where did you get your clear bra done at? And how much did it cost?
Mike over at Appearance Solutions. By far the best experience I've ever had.

$2200 got me:
Bumper (even the flat black section in the middle)
Headlights
Fog lights
Full hood
Full fenders
Kick panels all the way down-also the splash section on the rear bumper
Door cups
Rear lift gate ledge
Fuel door

Car was detailed In and out. Full color correction before the film is applied. And all edges of the clear bra are wrapped. Most people don't even know the car has a clear bra on it
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Mike over at Appearance Solutions. By far the best experience I've ever had.

$2200 got me:
Bumper (even the flat black section in the middle)
Headlights
Fog lights
Full hood
Full fenders
Kick panels all the way down-also the splash section on the rear bumper
Door cups
Rear lift gate ledge
Fuel door

Car was detailed In and out. Full color correction before the film is applied. And all edges of the clear bra are wrapped. Most people don't even know the car has a clear bra on it
When I get my car def going there. Btw I might be going to the show on the 5th. I just have to check if my brother and some friends want to go.


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When I get my car def going there. Btw I might be going to the show on the 5th. I just have to check if my brother and some friends want to go.


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Right on! I'm still going to go, just don't think I'll be in the show.
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Couple quick pictures of the clear bra done.


And did some auto x this weekend. Mostly my fault on over cooking a corner and getting the car to understeer. Priorities for me are wider wheels/rubber and some good suspension to get some more camber in the front.

Quick edit: to all of those concerned about "dynamics" of the car, or worried about the RDU when adding power. I'm putting down just shy of 400wtq in this car. Ran it in morning and afternoon sessions, as well as fun runs in 100 degree heat. Today's fun run consisted of three of the fastest guys out there thrashing the car 7 laps back to back. Using track and drift mode. Car never skipped a beat and no problems whatsoever. And the car still rotated and came around no problem with the extra power. Handling wasn't affected one bit. All smiles and smoking tires!
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Rumours and hate dissipating.
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I like the way it pulls out of the corners, what's you dyno readings? You say this is Cobb's stage 1?
Awesome man, is that stock exhaust? Did he tune in "Pops+" or something, 'cause that thing sounds like a firefight in Fallujah.
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