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Discussion Starter #1 (Edited)
Well i bought my STI off a good friend last summer ('10) and have been planning out my eventual build. For now I've gotten the suspension and exterior most of the way to where I want it, but the engine is still stock (for now!)

I plan on keeping this car a DD for the foreseeable future, so reliability and driveability are paramount. I also dont care about huge HP numbers, especially if it requires a slow spooling turbo that doesnt develop any power until 5k RPM anyways. I'm used to driving a supercharged car, so I like my power immediately!


Mod list
My complete wish list
Planned engine build stages
Pics from my first track day in the STI
To-Do/Project List





 

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Discussion Starter #2 (Edited)
Re: Grinder34 Gets an 07 OBP

Current Mod List:

Suspension
Zzyzx EM Coilovers
-Custom rebound adjustment extensions for rear
Whiteline Max-C front camber plates
Cusco rear camber plates
Whiteline 24mm FSB (stiffest setting)
Whiteline 24mm RSB (softest setting)
Kartboy Front Endlinks
Kartboy Rear Endlinks

Weight Savings
VIS carbon fiber trunk
Volk TE-37s 18x8.5 +40
JDM Front bumper beam
Front subframe delete
Rear seat bar delete
Rear wing removed
Secondary Air Pump removed

Exterior
VIS CF trunk (painted and debadged, wing removed)
RA UA mudlfaps, black with red lettering
RA-R grill mod
Red McGard spline drive lug nuts
Volk TE37 18x8.5" +40 wheels (for summer)
13.75" Front ride height
13.5" Rear ride height

Interior
WeatherTech floor mats
LED interior lighting
MadDad 3-in-1 gauge (Boost, EGT, Oil Temp)
3rd brake light and parcel tray

Power
Cobb AccessPort V2
GR STI TMIC
 

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Discussion Starter #3 (Edited)
Re: Grinder34 Gets an 07 OBP

After reading some more posts and journals, i'm reminded that its not just hp that matters (except bragging rights) but hp/weight ratio. Plus, lowering weight helps with handling.

I'll need to start doing some calculations and see what kind of returns i get from upping the HP vs lowering the weight.

I'm trying to find the biggest bang/buck weight mods now. Looks like the low-hanging fruit here is:
1) Remove spare/tools (for around-town trips only i suppose)
2) Front lightweight bumper insert (oswald or JDM?)
3) Rear wing removal
4) Battery relocation (i'm hesitant)
5) Cat-back exhaust

But most of that weight is off the back, oh well. I'll start making my list of prices and savings soon. For now its just brainstorming.
 

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Discussion Starter #4
Re: Grinder34 Gets an 07 OBP

Okay so it's been a while but i've ordered the GR 3-in-1 gauge. We'll see how it looks in the GD interior, and how i can think to mount it. I've also been avidly reading and scheming about my plans. I think my next couple of things will be freebies or cheap mods:

Truely free:
1) Remove airbox silencer
2) Remove subframe
3) Remove bar under rear seats

Cheap:
1) Add foglight bezel/intake
2) New panel filter
3) Lightspeed chassis bridge
4) Air pump removal (i might need an AP to clear CELs so maybe not) (also, requires block-off plates).
5) Lightweight bumper beams
6) Wingless trunk
 

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Discussion Starter #5 (Edited)
Re: Grinder34 Gets an 07 OBP

I'm still trying to do things as economically as possible at this point, but I've got some good things in the works for the next couple of weeks.

First, I already removed the bar under the rear seats. I dont carry passengers that often, so I'm not too concerned about comprimised comfort.

I also now have a set of Volk TE37s in 18x8.5 +40 that I'm quite excited about. They wont go on until the spring, but I cant wait to see what they look like. For my winter setup, i've now turned the OEM rims into my winter rims and just mounted a set of Dunlop winter tires. We'll see how they do on some upcoming trips to PA.

The next few weight-savings mods are:
1) Removing the U-brace beneath the car sometime in the near future (perhaps when it gets warmer!).
2) Swap front bumper beam with JDM bumper beam
3) Install a lightweight battery (i'll probably wait for the spring to make sure i dont have any cold-start issues).
4) Swap for a wingless trunk.

As for suspension:
1)I'm planning on getting a Litespeed Chassis Bridge in the next few months to help stiffen up the chassis. While the debate is out on how much it helps vs placebo effect, it's certainly not going to hurt.
2) I'll probably get some sway bars, as those are a fairly cost-effective way to bump up performance.
3) Down the road is probably the AST4100 coilovers, but some RCE T2s isnt out of the question. I'll have to do some research and figure out what the extra few hundred gets me.

For power
1) This isnt REALLY power, but its more power than anything else. I'm going to make the passenger fog bezel into an intake (plummed into the intake silencer's attachement point)
2) Cobb APv2 is really the way to go. It'll also allow me to remove the air pump from the engine bay which is an added bonus. It seems like the AP is necessary for ANY other power mod.
3) This will probably be a combo of in-tank fuel pump and injectors (i have to figure out if 850cc is big enough for my end goal) and get and E85 tune.
 

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Discussion Starter #6 (Edited)
Re: Grinder34 Gets an 07 OBP

I've decided to keep a running tally of how much I've spent on the car. This includes upgrades, customizations, etc.. but not maintenance, gas, tire mounting and other more generic labor..


Winter Tires - $550
Summer Wheels - $1300
RA-R Grill Mod - $5
CF Trunk - $275
CF Trunk Paint/prep/body work - $350
Weathertech Floor Mats - Gift ($100?)
Rally Armor UA Mudflaps - Gift ($120?)
JDM Front Bumper Beam - $120
Whiteline 24mm Adj RSB - $140
KB Front/Rear Endlinks- $210
Original Trunk SALE - -$350
Zzyzx EM Coilovers - $1600
Original Struts SALE - -$300
KB Endlinks F/R - $210
Tires SALE - -$350
MadDad 3-in-1 Gauge - $270
Cobb APV2 - Gift ($500)
GR TMIC - $300
GD TMIC SALE - -$300
Rear Parcel Tray w/3rd Brake Light
Rear Parcel Tray Original Sale
ThermoTec Turbo Wrap
GP Moto EL Headers
Perrin DP
Fumoto Valve
04/05 Tails
TIG Werks Oil Pickup
___________________________
Total - $4250
 

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Discussion Starter #8
Re: Grinder34 Gets an 07 OBP

I finally got around to installing my CF trunk. At first, i tried to do the swap by myself, but as soon as I got the torsion bars loose i realized just how heavy that trunk is--and decided i needed a 2nd set of hands. Incidentally, i found removing the torsion bars to be super easy, as you can just tap them out with a hammer.

I had my girlfriend help me that evening, but things didnt go very smoothly. I couldnt get the trunk to latch, and more importantly, I couldnt get the screws for the support arms in more than about a half turn. I drove around (very gently!) for a few days until the weekend, when I went to a friend's house to fix everything. It turns out the guy who sold me the trunk had tried to jam the wrong thread screws into the trunk, crossthreading it. We managed to fix the holes with a tap, and everything works well now.

Getting everything aligned was another problem.
Useful thread #1
Useful thread #2

Even after angling both latches as much as i felt comfortable with, the trunk really didnt want to close properly. I ended up solving the problem by filing out the holes in the trunk support arms, allowing the whole trunk to move slightly further back in the car. I'd still like to do a little bit more filing, but it was 25 degrees outside, and it was starting to get dark.

I didnt end up getting to the JDM front bumper beam yet, but I'm hoping to do that soon. Hopefully I'll take off that rear subframe too for maximum wight savings!
 

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Discussion Starter #9
Re: Grinder34 Gets an 07 OBP

Spring's coming!

I've got tons of goodies ready to go on the car including:
JDM Bumper Beam
Zzyzx EM Sport Coilovers (hopefully shipping today)
TE37s
Whiteline 24mm adjustable rear sway bar

Before i do the installs I'd like to have sourced some endlinks and a front sway bar too. My friend helps me with all my installs, and should be able to help me corner balance, but alignment might be more of a problem. I've never done an alignement myself, but he says he's only got equipment for Honda stuff. Maybe I'll take it to Ptuning, I've heard good things about them.

I'm also moving in the next two weeks, so this could get chaotic. I'm hoping to get tons of pics of before, the install, and after since I dont have ANY pictures so far.
 

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Discussion Starter #10
Re: Grinder34 Gets an 07 OBP

Adjusting my the rear Konis was getting to be a pain in the butt. I fashioned an extension for each side..what i consider to be a work in progress. Its pretty cheap, about $10 a side.

Parts:
1) 6mm flex socket, 1/4" drive (can substitute a 6mm socket AND a u-joint)
2) 1/4" drive extension 7-9" (6 is just barely too short, 9 is max length)
3) 1/4 thumb ratchet







On the floor is the 6" extension (too short). In the car is the 9" which is almost touching the rear windshield. So my next plan is to source an 8" extension and glue the ratchet so it doesn't ratchet. From there I'll put some lines on the ratchet so I can tell how much the wheel's been turned.
 

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Discussion Starter #11 (Edited)
Re: Grinder's 07 STi. New suspenison and lost some weight

My planned build (well into the future)

I've been doing some searching and I'll probably go to IAG to get all/any work done...maybe agile auto. Tuning at EFI Logics? They're far away and i hear great things about Agile and Andrewtech.


So now it looks like my order for power mods will be:
1------------
APv2 (INSTALLED)

2------------
Fuel Pump
Injectors
Tune (+E85)


3------------
20g-xt (incl. DP with EWG dump, uppipe)
EWG
EBCS
Tune

4------------
CBE
Turbo Inlet
Intake
TGV deletes
Phenolic Spacers
Tune

5------------
Bigger TMIC
Killer B Ultimate Oil Pickup
 

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Re: Grinder's 07 STi. New suspeison and lost some weight

Not trying to be a **** or anything, but you spelled "Suspension" wrong in the title.

I would want someone to tell me, because if I noticed and nobody told me I'd feel like a moron.

Nice Car!
 

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Discussion Starter #15 (Edited)
Re: Grinder's 07 STi. New suspension and lost some weight

Full wanted mod list:
Exterior
S204 Front Lip
Chargespeed OR Varis Side Skirts
Rear skirts/aprons/spats OR a whole new bumper (anyone know what this bumper is?)
JDM Rain Guards
Rally Armor Mudflaps (INSTALLED)
Window Tint
RA-R Grill Mod (INSTALLED)
Louder horn
04-05 tails
Grillcraft Grill

Power
DW 1000cc Injectors
New Turbo
---20G-xt-r turbo
---Dom 1.5 XTR
---GT3071R
---CXR500
---FP68HTA
Turbo Inlet
EWG (44mm)
TBE (Downtube with EWG dump)
Larger TMIC (INSTALLED)
EBCS
TGV deletes
Phenolic Spacers
DW Fuel Pump
E85 tune
APv2 (INSTALLED)
Colder Plugs
Ti Cat-Back Exhaust

Suspension
24mm adjustable swaybars F/R (INSTALLED)
Kartboy Endlinks (Installed)
Litespeed chassis bridge (DIY INSTALLED)
Whiteline H brace
TiC Fender Cowl Brace
Complete bushing package
Kartboy Botox Bolts
Coilovers (Zzyzx EM coilovers INSTALLED)

Weight
JDM Front Bumper Beam (INSTALLED)
Litespeed Rear Bumper Beam
Air Pump Removal (with KS Tech block off plates) (INSTALLED)
Front Subframe Delete (REMOVED)
Lightweight battery

Interior
Gages to support power mods (INSTALLED)
Red Stereo/HVAC/Window lights
SRP Pedals

Engine (Other)
Tigwerks Oil Pickup (AWAITING INSTALL)
Crawford AOS
Hood struts/dampers
Radiator Shroud
Subtle Alternator Cover
Airbox silencer delete
Carbing Undertray/Underpanel

Brakes
Brake ducts
Lightweight two-piece rotors
SS Brake lines
 

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Discussion Starter #16 (Edited)
Re: Grinder's 07 STi. New suspension and lost some weight

Well I guess i missed posting about installing my Zzyzx coilovers, but suffice it to say that they're awesome! The installation went pretty smoothly, and they're a breeze to work with. I think the spring rates are a bit stiff for a (currently) mostly DD, but i've adjusted. I've got them set to full soft most of the time for comfort, but it still makes them far too bouncy. On the weekends i've been adjusting the rates and honing it in, but during the week i just keep it soft.

A few weekends ago i got around to some long-overdue projects. I ditched the front subframe, and swapped in my JDM front bumper beam. Apparently I had the 05 version, which has an extra support above the beam itself, presumably for the front grill. Anyways, it was a pretty flimsy piece and didnt seem to be structural at all, so i just sawed it off! It's amazing how much lighter the JDM version is. But its very nice that the USDM foam piece still fits on perfectly. I really should have taken pictures, but I always forget. Im not a big photographer. With those two mods i shaved a bunch of weight of the very front of the car, which is quite nice. I hope to keep shedding weight on this car, but I think a lot of the biggies are done already.


In other news, Im still waiting on the MadDad 3-in-1 gauge, which has made me a little antsy. I like having little projects for the car, so recently i completed my Koni extenders (last post) and then added a 3rd brake light to my car. I dont like the look of it, but i was worried about potential liability in a rear-end collision. But now that those are done, I've been searching the forums for other little things to do. Right now my mini-list is:

1. New Horns (i've heard the Tribeca one works well)
2. Paint my rotor hats so they look nice and don't rust
3. Air pump removal (i'd need to get someone to delete my CEL codes first)
4. DIY swaybar mount "dustboots"
5. DIY Litespeed chassis bridge
6. Pull/stretch seat springs for a better fit
7. Airbox silencer delete
8. Red-out the interior lights. I hear on the 07-style interior it's a bit more of a pain in the butt, though.

I also have a few more maintenance items to complete:
1. Replace both serpentine belts
2. Replace front diff/trans fluid
3. Replace rear diff fluid
4. Brake fluid flush
 

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Discussion Starter #17
Re: Grinder's 07 STi. Zzyzx EM coilvers, volks, and more.

So the Maddad gauge just arrived and i thought I'd post up a quick pic of it.



Now its off to reading all the gauge install how-tos!
 

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Discussion Starter #18 (Edited)
Re: Grinder's 07 STi. Zzyzx EM coilvers, volks, and more.

The gauge is in and the boost portion is working! So i'll take/post some pictures up tonight.

Link 1 was very helpful in figuring everything out. There were slight differences since his was just a boost gauge, and mine's the 3-in-1 but it was a great place to start.

Link 2 was interesting as it gave some alternative locations to run wiring through the firewall, although i ended up with the "behind the intercooler" locations.

Interestingly, i never removed my intercooler to do it. I managed to snake a sharp knife back there and cut it without too much difficulty. Now thats not to say i didnt *try* to remove the intercooler, i just never managed. I dont know if i'm challenged, or it normally takes 2 people (or at least a cold engine!) but I couldnt get the bottom hose to ever come off.

Link 3 Was useful for wiring.

Link 4 was the guide i attempted to use to get behind the intercooler. In detatching some of the hoses from the intercooler (step 4) i noticed some oil or oil residue in there! Yikes! I'll need to see if thats a big issue, and if theres more oil in the intercooler itself when i finally get it off!

So all i have left to do is:
1) Intall the temp sensor. That will involve getting an NPT oil galley plug for the oil temp sender. Removing the intercooler. Acrobatics to get the new plug/sender installed under the IC.
2) Install the EGT probe, Link 5. That will involve removing the manifold, drilling and tapping it. Reinstalling with NEW gaskets.


On another note, I'm pretty sure I hit just over 16 psi today on the way to work. I think i should only be at 14.5 or so! I'll have to monitor more to find out whats going on!


tl;dr The boost portion of the gauge is installed. I found oil in some tubes that shouldn't have oil. I think im getting too much boost.
 

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Re: Grinder's 07 STi. Zzyzx EM coilvers, volks, and more.

sry if i missed it, but what size and offset te37 you running?
 

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Discussion Starter #20
Re: Grinder's 07 STi. Zzyzx EM coilvers, volks, and more.

18x8.5 +40. I dont think i listed that before, so I'll add that!
 
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