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Old 11-22-2004, 11:50 PM   #1
MattSTi
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Default One final check before buying RA-1's

Ok, so I'm going to be buying a set of 235/40-17 Toyo Proxes RA-1 for use with SSR comp 17x8.5 . I've had some mixed response as to fitment of these on an 04 STi with JIC FLTA2 coilovers, some tell me that there might be issues, others tell me to run even wider.

So, I want as close to a definitive answer as I can get on the proper tire size to choose given my car/modifications. Thanks in advance.
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Old 11-23-2004, 09:40 AM   #2
wrxxed
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Matt, I also was on the market for wheels and have been extensivly searching for the right wheel/tire combo. I also plan on ,in the spring ,putting a set of JDM pink springs on ny 04 STI. Someone was selling a set of SSR Comps for a great price so I searched the forums and found that they will definately rub with 235's and most likely also with 225's. The solution was rolling the rear fenders! So I didnt buy them!!Good luck.
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Old 11-23-2004, 10:58 AM   #3
subieworx
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Quote:
Originally Posted by wrxxed
Matt, I also was on the market for wheels and have been extensivly searching for the right wheel/tire combo. I also plan on ,in the spring ,putting a set of JDM pink springs on ny 04 STI. Someone was selling a set of SSR Comps for a great price so I searched the forums and found that they will definately rub with 235's and most likely also with 225's. The solution was rolling the rear fenders! So I didnt buy them!!Good luck.
That all depends on the offset. IIRC SSR makes the comps with a 50mm offset where if run with 235 40's and on stiff coilovers he should be fine if he doesn't lower the car too much.
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Old 11-23-2004, 04:37 PM   #4
WRX_Mundi
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I have a 2004 STi with the "Pink" springs and stock struts. I have a set of Rota 17x7.5 wheels with the 235/40-17 RA-1's on them. No fitment issues whatsoever, but they're narrower wheels. Tires fit just fine on the wheels. I have a set of the 17x8.5 SSR Competition's with the +48mm offset (Tire Rack). With 245/40-17 Kumho Ecsta V700's on them, there is no rubbing under most cases, but a small amount when doing very hard autocross cornering. Solution was to remove the plastic fender protector and grind a tiny bit out of the metal. No more rubbing at all. Hoosier A3S04's in 225/45-17 on the 17x8.5 SSR's are quite a bit bigger and required a 5mm spacer in the rear, and the rears get just the slightest bit of rubbing under autocross cornering (it scrapes off the "Made in USA" lettering but that's about it). Most of this is because of the "cantilever" / rimguard thing the Hoosier's have which the Toyo and Kumho tires don't (the tires stick way out where they meet the rim, requiring the spacer to get them away from the strut).

My interpretation of this is that 235/40-17 tires ought to fit fine, though the 255/40-17 would probably be a better tire for the wheel, barring fitment. I'm a little dubious on the fitment for 255/40's though I'd guess the changes would be minor (possibily 5mm spacer, simple fender rolling), probably less than $100 at a good body shop. I'd be more certain if you had the pink springs like me -- I don't know what changes the JIC's make. Probably more room on the inside (making it unlikely you'll need a spacer) but lowering will change things.
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Old 11-23-2004, 11:40 PM   #5
MattSTi
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Thanks a lot for all the helpful info! The JIC FLTA2 are very very stiff, and I currently have roughly the same drop as a set of pink springs will give an STi. They also offer a lot more clearance between the strut and inner wheel/tire. I don't mind getting the fenders rolled by a shop, but hopefully I can get by without doing it. Again, thank you for the replies.

-matt
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Old 11-26-2004, 11:38 AM   #6
MTOWRX
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Quote:
Originally Posted by subieworx
That all depends on the offset. IIRC SSR makes the comps with a 50mm offset where if run with 235 40's and on stiff coilovers he should be fine if he doesn't lower the car too much.

on the 17x8.5's the offset is 48
on the 17x7.5's the offset is 50

i just ordered a set of the 8.5s 2 days ago.....
and i was told running 225/45 i shouldn't have rubbing....

we'll see...
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