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Old 02-03-2006, 02:09 PM   #1
subenick
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Default which size wheel/tire to put on my GC swap this summer

Questions for you guys with a R180 rear end swapped into their GC

Im currently running full spec sti v7 drivetrain and suspension. Ive noticed that the R180 hubs stick out farther than the stock rs hubs. Im currently running 225ís on jdm sti v7 wheels and I am obviously experiencing rubbing.

For this summer my plan is to change the suspension for the P1 setup (currently V7) so the car will be lowered 20-25mm and put a new set of 215/45/17 or 205/50/17 tires on the stock v7 rim or some rotaís.

I donít want to look like an srt-4 with skinny 205 tires so my questions are:

1. On the v7 (et 53 I believe) rim, will 215 tires still rub in the back due to the wider hub dimension?
2. If I go with rotas (et 48) I lose 5mm, with a 215 will it rub in the back or front?

So if theres anyone with a similar set up, id love to hear what works and what doesnít before I purchase my tires.

oh yeah, I have the brembos so ive narrowed it to (by affordability and availability) the V7, usdm sti or rota torques/g-force/tarmacs


oh yeah.. anyone know if the g-force comes in 17x7.5

thanks for the info
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Old 02-03-2006, 05:07 PM   #2
swapstar
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you are rubbing on the outer fender liner?

easy. roll your fenders.

or change lateral links back to GC8, GDB is slightly longer.

you will still have wide spacing on the hubs though.
im running:

gc8 rear x-member
r180 with axels and hubs and brembos
gc8 lateral links
rolled fender (little bit)
usdm bbs with stock 225/45/17 potenza
no rub on shock or fender.
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Old 02-03-2006, 05:27 PM   #3
Billy
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I have GD lateral links and GD control arms with Rota 17x7.5 ET48 rims (that clear Brembos obviously) and I rub on all 4 fender lips even though I rolled them somewhat aggressively. Yes that is rubbing with 205/50-17.

I had to move to VW/Civic tires to avoid rubbage... 205/40-17, crappy but oh well.

Here's my L wagon for reference...
http://www.rs25.com/forums/showthread.php?t=33737


Your situation may be different because
a) you have a GC not a GF
b) you have stiff Ver7 suspension while mine is dropped quite a bit and tired

I'm going to switch to a GC track soon with some Prodrive WR suspension so I can hopefully put 225's on.
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Old 02-03-2006, 07:06 PM   #4
swapstar
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GC and GF rear fenders is same.

its your saggyness and GDB track thats making it rub. 205/50/17 is gross.

ewwww (runs a way)

which hubs are you runing?
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Old 02-04-2006, 12:12 AM   #5
Homemade WRX
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well looking as I plan on doing the same drivetrain swap, I had planned on cutting my fenders and putting on fender flares...kinda like a 4x4 does when they want tire clearance...but the sexy way...

or


and billy, what grill is that?...I like it, simple and gives airflow...

Last edited by Homemade WRX; 02-04-2006 at 12:22 AM.
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Old 02-04-2006, 02:42 PM   #6
Billy
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It's a dinged up C-West grille

The flares are nice but yeah that's a $$$ of body work.
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Old 02-05-2006, 06:35 PM   #7
subenick
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well ive got the GC alum control arms up front and the entire GD rear end. right now all 4 corners will rub if i go through some nasty frost heaves... which are out early this year. damn!

I havent measure, but i was told that the rear lateral links on the GD are the same length as the GC, and that the GD STi hubs were wider. im going to measure when the weather is nicer to be sure.

the front end should retain the RS geometry and hopefully not rub with 215/45/17's on. but im worried about the rear track beaing wider. i guess i can always get some adjustable links.

so no one has gotten away with 215's, GD rear end, and not rolled fenders on either 48/53mm offsets?
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Old 02-06-2006, 07:04 AM   #8
swapstar
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you are incorrect on the arms length. i have both sets of arms and the GDB rear arms are longer by a significant amount.

the hubs are also wider though, im running 225/45/17 and have my fenders rolled slightly to clear.

roll your fenders. only a little bit of work (unless you are supremely lazy).

front end will fit 235/45/17 if you wish.

run the GC8 rear links. it is proper
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Old 02-06-2006, 08:18 AM   #9
subenick
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Thanks for the info swapstar. Im going to swap back in my RS links in the spring when I change my suspension. Is there a GC STi arm kit? I want to change my trailing arms too as I find them a bit rusty and the bushings a bit too squirmy. I donít want to roll my fenders for fear of cracking the paint (quebec cars will rust in 2 sec if not protectedÖ lol)
So I figure ill try some 215ís for this summer.

So if I swap my links In the back will I be able to use less offset wheels such as rota and be ok with 215 tires?
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Old 02-06-2006, 04:03 PM   #10
swapstar
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swap your links back. if you roll the fenders proper, you should not crackthe paint. they do it on big money DTM's all the time.

if you want a pre-done arm kit, then buy the whiteline. Sti is overpriced and not that all great. i think its like $400 bux for the GC8 Sti, at least.

Whiteline is ~$280. adjustible to boot as well.

another good option is to just order a bushing set ($110 or so), and swap them all out since your arms are out of the car. that would be a good idea. take a little work, but not bad. just need to borrow a press, or talk to the guys on suspension forum that made their own tool for it. thats the best route to take if you already have a set of arms off the car.

trailing arm im currently running a pillowball Cusco one (like $400 or somthing stupid). id suggest the Powerflex bushings for that (2 piece, no press required). or the GDB ones. GDB is same length for those, the onese i sold last week had hard bushings OEM.

arm with surface rust wont hurt anyone. just check the welds
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Old 02-06-2006, 04:07 PM   #11
linsavy
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I have a GF with 215/45/17 Toyo T1R, run P1 springs with AGX and R180 complete rear end from a V5. Rims are Prodrive P1 17x7 with 50 et IIRC.
No rubbing front or rear.
I rolled the rear lip to fit 225/50/16 Kumho V710 on WRX rims, but that was after the above.
Your lateral links are too long and I imagine your camber is way off to negative. Check out the whitelines, cusco or STi or group n bushings in stock GC links.

The GD and GC trailing arms are interchangeable. Just swap the mounting bracket too. Rallispec sells the Group N bushings if you just want to swap that, but you need to take the knuckle off to press in the trailing arm one.
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Old 02-07-2006, 01:52 PM   #12
Jawney
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Homemade WRX - Where can i find those fender flares on the first black suby pictured.

I plan on doin something similar on my Brighton swap and couldnt find some basic bolt on flares anywhere. I really wasnt lookin to do all the body work that most flares envolve.
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Old 02-07-2006, 03:15 PM   #13
mjd85la
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^^^ I was wondering the same thing.




What wheels are these?
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Old 02-07-2006, 05:46 PM   #14
swapstar
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i think thos are advans. my buddy has some 10" ones for his evo. really really really pretties
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Old 02-07-2006, 05:53 PM   #15
Scoobie Steve
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I guess the GC R180 must be narrower, I am running 225/45/17 on Rota Battles with no rubbing and once these tires are shot I will be going to 235. I like those flare pics....hmmm maybe 245's on some wider wheels...
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Old 02-10-2006, 01:29 AM   #16
Jawney
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bump for anyone who knows where to find those flares at


...Homemade WRX
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Old 02-22-2006, 12:35 PM   #17
mjd85la
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has anyone found those flares yet ??... I will be rollin my fenders in the mean time.. 235/45/17's
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Old 02-22-2006, 05:12 PM   #18
mjd85la
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found these from HERE





not a chance in Hell I would pay 600bucks just for flares...
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