06 wrx with 18x8.5 with 42mm offset? - Subaru WRX Forum
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post #1 of 33 Old 11-25-2012, 03:02 PM Thread Starter
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06 wrx with 18x8.5 with 42mm offset?

whats up guys im new to the forumn. i was looking at buying 18x8.5 with an offset of 42mm. my car is lowered about 1.5 in the rear and 1.0 in the front. im gonna put 225 40 18 on the rims. i know they will fit. my question is will the rub or will i need to do any other modifications. if anyone has any information that could help me out it would be greatly appreciated.
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post #2 of 33 Old 11-27-2012, 01:52 PM
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assuming it's a sedan, you're right on the edge. If it's a wagon, hell no. On the sedan, worst case you need to roll your rear fenders.

I have to say though, 225 is not a wide tire. You don't need 8.5" of width and you can find higher than 42 offset wheels, both of which would help you fit without fender modification easier.

Also, that drop is excessive and is destroying your handling, steering response, and jarring out teeth fillings of your passengers.

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post #3 of 33 Old 11-27-2012, 02:18 PM
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post #4 of 33 Old 11-27-2012, 02:42 PM
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i am also new to the forum and i know a lot about fixing wrecked cars haha i just won a 08 wrx hatch and wanted to drop a set of 18" rota grids and maybe add lower springs. I was wondering wats the max wheel measurements i can go without me having to role my fenders or make any other modifications...."mosc" seems like you would prob have an answer for me. appriciate it!
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post #5 of 33 Old 11-27-2012, 07:37 PM Thread Starter
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The site says 1.0 in the rear and .5 in the. Front. There Tanabe gf2100 more of a handling spring. It looks good Name:  ImageUploadedByAutoguide1354062939.715621.jpg
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Size:  51.6 KB. I was just wondering because the rims I found like I said are 18x8.5 an the only thing keeping me away from ordering them is offset only being 42mm. If anyone has any good bbs looking rims for sale in the Lancaster pa area let me know. If anyone has any they input for these size rims in my Wrx feel free to put your word in


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post #6 of 33 Old 11-28-2012, 01:49 PM
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I'm familiar with the springs. They are not helping your handling, quite the contrary. What they advertise as is a separate matter. Springs with that drop should have a much higher spring rate. The drop is about the same as Swift R springs. You can look up the rates, they're far higher. Would I recommend those for your car? No, they have no business being used with stock struts. The stock struts can't handle the tanabe springs you put on worth shit already let alone something with a much higher rate.

18x8.5 +42 is not that extreme. I would say you will drive around for a bit and think you're fine but with passengers or trunk weight you will rub on bumps, fixable with a rear fender roll. Either that, or get ~6mm more offset to ensure a clean fit.

pjkolosha, the wheel width you can run is dependent on the offset of the wheel. Low offset moves the wheel towards the fender as does adding width. It also matters what tire you want to run. Are you looking to run the widest wheel you can (I don't see why you would), the furthest out visually, or cram in the biggest tire you can. If you want to cram the biggest tire, get an 18x8.5" +48 wheel and put on some 255/35R18 tires. I'm not sure if grids come in that offset at that width though, fair warning if you're sold on that particular look.

BTW, I recommend 17" wheels and tires over 18" for our cars. More sidewall is a good thing. There is no performance reason to go 18" and it'll cost you a lot more money.

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post #7 of 33 Old 11-28-2012, 05:00 PM Thread Starter
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Thanks for the input I'm looking for different rims as we speak. Just nothing that really spikes my interest and for tr springs it was alot cheaper then buying coil overs llookong for updating my Struts and springs also. Guess I'll just have to wait to I find some 17x8 +48 offset in something that I like.
Thanks for the information


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post #8 of 33 Old 12-02-2012, 05:19 PM Thread Starter
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I found a set of 04 Sti bbs rims gold with tires that are 10/32 and rims barely have any curb rash for 500. I that pretty good price


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post #9 of 33 Old 12-04-2012, 10:40 AM
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The 04 STi BBS wheels are highly sought after because they're the only 5x100 USDM STi wheels. They're extremely light and 1-piece forged aluminum with a perfect +53 offset. The only negative is that they're only 7.5" wide. I use them with my winter tires, 225/45R17. You won't be able to push more tire width than that on them due to the lack of 8" width. Clean ones usually fetch $800 or so, $500 is a good deal. If they've got usable tires on em all the better.

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post #10 of 33 Old 12-04-2012, 10:47 AM Thread Starter
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For 500 bucks I think I can deal with them only being 7.5 wide haha


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post #11 of 33 Old 12-26-2012, 06:42 PM
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Quote:
Originally Posted by mosc View Post
pjkolosha, the wheel width you can run is dependent on the offset of the wheel. Low offset moves the wheel towards the fender as does adding width. It also matters what tire you want to run. Are you looking to run the widest wheel you can (I don't see why you would), the furthest out visually, or cram in the biggest tire you can. If you want to cram the biggest tire, get an 18x8.5" +48 wheel and put on some 255/35R18 tires. I'm not sure if grids come in that offset at that width though, fair warning if you're sold on that particular look.

BTW, I recommend 17" wheels and tires over 18" for our cars. More sidewall is a good thing. There is no performance reason to go 18" and it'll cost you a lot more money.
Hey mosc youve actually been a great help. I wasn't subscribed to this thread but thankfully stumbled upon it. Since then i wanted to get xxr but found out real quick that they are trash. But i thought about what you said and getting 17" seems to make a lot more sense. But yeah i kinda like having that wide stance look. So in your opinion "mosc" or anyone in that matter do you think i can make 17x9.5 +42 rota grids with 245/40 tires?

And if that doesnt work then what sizes would u recommend for my 08 wrx wagon?
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post #12 of 33 Old 12-26-2012, 06:45 PM
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Im sorry i think its 17x9 instead of 17x9.5
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post #13 of 33 Old 01-02-2013, 04:23 PM
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I don't know the 08 WRX wagon rear fender wells that well. I know 245 at +42 works on the 09-13. You're probably? the same. Most other layout stuff is the same just without the trim as standard.

and if any 02-07 guys are reading this, no. Your car is NOT the same and they will NOT fit stock fenders/suspension.

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post #14 of 33 Old 01-02-2013, 05:15 PM
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'08s have less clearance than GDs and newer WRXs/STIs.
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post #15 of 33 Old 04-24-2013, 08:26 PM Thread Starter
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Bringing back an old post. Well I got my 17x8 rota g forces white which I love but the sonic tuning st8 18x8.5 are still calling my name. On Black Friday they have a deal. Original price is 900$ on Black Friday there 400. Might just bite the billet and have another set of summer rims. Ill be running 225/40/18 or 215/40/18. I know it'll loose performance. And there's no point to run a 8.5 inch wide and only have a 215 or 225 but I'm going for looks the g forces witll be my performance tires with 235/40/17 on those. Will have my fenders rolled all the way around.
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