Build Thread: SM Class - 94' GC
As long as the car isn't at my house LOL
Surprisingly, the odds and ends are the most expensive. If you want it real low, you'll need a scavenge pump (and all the lines add up in cost pretty fast). The large parts are the cheapest.
Here's version 2. I made it a lot lower and had to get a scavenge pump. I'll let you know how it goes.


Also I know nothing about aerodynamics/thermodynamics etc.. so ...I have no idea what it will take in the rear to get reliable cooling. I've seen some of the rallycross setups and it looks like tons of bodywork if you don't want it to look ghetto.
Could just go with a front mounted radiator, but it would have to sit outboard of the frame rail.
Last edited by reido; Jul 15, 2014 at 07:45 PM.
Thread Starter
Registered User
iTrader: (14)
Joined: Apr 2008
Posts: 2,399
From: Kahaluu, Oahu
Car Info: 07 Sti
The one, big, problem with low mount turbo setups in Subarus is that you usually have to delete the radiator support, or cut up the front dumper support, both of which are not legal in the class I run.
Registered User
iTrader: (1)
Joined: Nov 2010
Posts: 232
From: Hawaii
Car Info: Mazda Miata 1991, STi 2005, 03WRX/98GC, 2.5RS 2000
I'll just leave this here:
Yes Miatas' RallyCross! Sponsored By JN Mazda info on Jul 19, 2014 (734367) | MotorsportReg.com
Rally On!, Avery
Yes Miatas' RallyCross! Sponsored By JN Mazda info on Jul 19, 2014 (734367) | MotorsportReg.com
Rally On!, Avery
Last edited by avery; Jul 16, 2014 at 10:52 AM. Reason: added pic
Thread Starter
Registered User
iTrader: (14)
Joined: Apr 2008
Posts: 2,399
From: Kahaluu, Oahu
Car Info: 07 Sti
Got a much welcome present in the mail today, 3" ZG style flares for all four corners should do the trick.
What do you know about this!


I think 12.5" strut body to fender edge clearance will be enough to fit some 315's in there!
What do you know about this!


I think 12.5" strut body to fender edge clearance will be enough to fit some 315's in there!
Registered User
iTrader: (1)
Joined: Apr 2014
Posts: 114
From: in the middle of the ocean
Car Info: rip 02 GGA, 99L SF5
Staff Member
iTrader: (16)
Joined: Nov 2002
Posts: 3,644
From: She's so hot, I'd tongue-punch her in the fartbox
Car Info: 2001 RSTi Widebody
Thread Starter
Registered User
iTrader: (14)
Joined: Apr 2008
Posts: 2,399
From: Kahaluu, Oahu
Car Info: 07 Sti
I've been talking to a guy who used the exact same flares and runs a 315/30/18 on a 18x11 wheel, so a slight stretch + smaller sidewall. I'm hopeful!
Thread Starter
Registered User
iTrader: (14)
Joined: Apr 2008
Posts: 2,399
From: Kahaluu, Oahu
Car Info: 07 Sti
Suspension bits are coming together slowly, really all that's left are sway bars, front control arms, and LOTS OF BUSHINGS!
Cusco F + R strut tower bars + v-brace

MSI trailing arms w/ solid bearing, 2" geometry correction

SPC Lateral Links

Whiteline Adjustable Endlinks

Solid Aluminum Outrigger Bushings
Cusco F + R strut tower bars + v-brace

MSI trailing arms w/ solid bearing, 2" geometry correction

SPC Lateral Links

Whiteline Adjustable Endlinks

Solid Aluminum Outrigger Bushings
Staff Member
iTrader: (16)
Joined: Nov 2002
Posts: 3,644
From: She's so hot, I'd tongue-punch her in the fartbox
Car Info: 2001 RSTi Widebody
How much clearance does the widebody add though? Also, I'm not trying to tuck these, plus, looking at quite a bit stiffer suspension setup most likely.
I've been talking to a guy who used the exact same flares and runs a 315/30/18 on a 18x11 wheel, so a slight stretch + smaller sidewall. I'm hopeful!
I've been talking to a guy who used the exact same flares and runs a 315/30/18 on a 18x11 wheel, so a slight stretch + smaller sidewall. I'm hopeful!
Thread Starter
Registered User
iTrader: (14)
Joined: Apr 2008
Posts: 2,399
From: Kahaluu, Oahu
Car Info: 07 Sti
I'm guessing the inner wheel well? Not the liner, but the metal part? From what I've read the only way to fix that clearance issue is with a sledgehammer, as it's not legal to cut and reform that portion of the car.
I didn't know that you were racing your car this season! I will for sure have to come out!
I didn't know that you were racing your car this season! I will for sure have to come out!
Last edited by Krang; Jul 29, 2014 at 03:01 PM.


