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Old 08-13-2003, 11:04 PM   #1
Mr. Grinch
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Member#: 34416
Join Date: Mar 2003
Location: Calgary, AB, Canada
Vehicle:
2002 BMW M3
Alpine White

Default Upgrades in your future?

I was curious what upgrades people are starting with on their STi. I'm curious how many will start with the basics, like brake fluid / pads / lines, tires, vs how many plan to go straight into exhaust, suspension, and engine tuning kits.

I have one question about the engine tuning kits. I don't recall any of them mentioning clutch upgrades. How many people intend on doing major power upgrades (400hp+) without clutch upgrades? Is there anything available yet (for the clutch)? Or am I just being paranoid to think that the stock clutch might not be up to the task?
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Old 08-14-2003, 12:05 AM   #2
Red Rocket
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Member#: 10507
Join Date: Sep 2001
Vehicle:
'04 Ex STi Owner
'97 4Runner

Default

Even though I've posted this before, I'll post it again....

THE PLAN:

---------------

As soon as the car gets home, i.e. <100 miles:

JIC FLT-2A, 8/8k springs+rear helpers, old us spec dampers
F/R 22mm swaybars
ALK
MRT control arms (and sway links if needed)
Trailing link poly bushes
(yes, that IS 90% of the suspension!)

Godspeed downpipe+Kakimoto R catback, custom modified to be 3" straight through, with a flex joint added, and fully thermo tec wrapped.

255/40-17 Toyo RA-1's on 17x9 and 17x8.5" Enkei es-tarmac wheels.

Hawker lightweight battery, relocated.
Kartboy shifter bushings
K&N (need to remember to take that out of the wrx!)
Engine+Tranny mounts

(I have all of the above on hand!)

Bleed the brakes
Strip the trunk bare. Remove U-brace in the front.
DIY intake mods.
Misc lightening
Agressive performance alignment+corner balance

-----------------

Soon there after (hopefully within 1000 miles):

Misc guages
AVO turbo inlet hose (on hand)
18g turbo, MBC (reflash if availble)
Racing Seats
Possibly remove airbags, partially strip interior
Misc lightening
Possibly trunk swap to remove wing
Swap sideskirts to normal ones

---------------

After that:

Clutch+Flywheel
Headlight mod

After that, I think, I will stop........

I also need to sell off all of the stuff that's coming off. Hopefully I'll be getting a sti next week or the week after, my wrx is nearly back to stock and ready to be traded in. Financing is lined up.

Kevin
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Old 08-14-2003, 12:13 AM   #3
PunksWRX
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Member#: 5504
Join Date: Apr 2001
Location: Colorado Springs, CO. USA
Vehicle:
2004 Impreza WRX STi
Aspen White

Default

With my STi I'm taking the wait and see approach. When I got my WRX (1st allocation car in March 2001) I immediately jumped on the upgrade bandwagon and spent lots of money and time on performance parts right off the bat. I quickly realized that it might have been wise to wait a little bit as tuners worked with the car to come up with the best combination of parts/mods that really worked.

I'm so happy with the stock performance of my STi that I think I'll wait for proven results on mods before just bolting on some parts that haven't been documented (proven on a dyno) for good gains.

That said my planned mods are exhaust and ECUTEk when it is available for the STi.

Punk
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Old 08-14-2003, 01:59 AM   #4
essogas
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Member#: 35703
Join Date: Apr 2003
Location: Toronto, Ontario
Vehicle:
2004 WRX STi
Blue/British Black 18's

Default

Quote:
Originally posted by PunksWRX

That said my planned mods are exhaust and ECUTEk when it is available for the STi.

Punk
Me too. I just looked into this today. The guy was enthusiastic but admitted he had not done ECUtek on an STi yet. I wonder how much more one could get.

As for REDROCKET, what is your intent with this car with all those mods and how much will all of that cost?
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Old 08-14-2003, 02:07 AM   #5
Mr. Grinch
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Join Date: Mar 2003
Location: Calgary, AB, Canada
Vehicle:
2002 BMW M3
Alpine White

Default

Thanks for the info! Now I don't feel like I'm the only one who thinks a Clutch upgrade might be in order with all that power.

Ok, time for another dumb question.

On some cars you can route the inlet where the "fog" lights would be via ducting to the brakes for extra cooling. There are actually kits out there for this on some cars, but the basic idea and materials required are simple, depending if the front end allows the ducting to be easily routed or not. Some cars already hav some of the ducting required in place from factory.

The results for some have been a significant reduction in brake temp when tracking the vehicle. It's allowed some guys to stick with near-stock brakes, just having upgraded pads, fluid, and sometimes lines. For some this upgrade helped get them through a track weekend where previously the same brakes would be cooked by the end of the first day.

Has anyone seen this for WRX or STi? Anyone plan to do it or do anything else for cooler brakes?

A couple of times I've seen adverts for rotors with significantly increased brake venting, up to 10x the vent surface area. But they are few and far between, far as I've seen.


Thanks again
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Old 08-14-2003, 02:27 AM   #6
Red Rocket
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Join Date: Sep 2001
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'04 Ex STi Owner
'97 4Runner

Default

Quote:
Originally posted by essogas
As for REDROCKET, what is your intent with this car with all those mods and how much will all of that cost?
Autocross, street, and the occasional drag racing.

Cost? Well, I prefer not to think about that.... I guess the total cost new of all the stuff going on the car immediately would be about $6000+, but I bought it all gradually for my WRX, and I bought some of it used.

The remainder of the stuff is not going to be too pricey. Plus I'll be selling off some of the stuff I take off - turbo, seats, wheels, suspension...etc.

Kevin
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Old 08-14-2003, 02:32 AM   #7
Red Rocket
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Member#: 10507
Join Date: Sep 2001
Vehicle:
'04 Ex STi Owner
'97 4Runner

Default

Quote:
Originally posted by Mr. Grinch
Thanks for the info! Now I don't feel like I'm the only one who thinks a Clutch upgrade might be in order with all that power.
Well, I bring up the clutch because I'm a big fan of a lightened flywheel. I have the MRT peice out of my wrx, and would need to install a upgraded 5-speed type clutch if I were to put it in the sti. Otherwise I would just keep the stock clutch and add a light flywheel. It's tough to say yet how well the stock clutch will last under increased power - my advice is to just run it until it slips.

Kevin
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Old 08-14-2003, 10:45 AM   #8
thebishman
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Member#: 38143
Join Date: Jun 2003
Location: Topeka, KS
Vehicle:
2004 STi
WRB/Gold

Default

Mr. Grinch,
I think that someone on the board has previously stated that the stock clutch is good for approx. 400 bhp and 400 lb ft torque. I hope my memory is correct on this.
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