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92BlackBeauty · Post by **92BlackBeauty** » Tue Sep 13, 2005 8:09 pm

I know searching is the accepted thing around here, but I found nothing like this.
Will 17" wheels with a 40mm offset fit on a 92 SS?

Manarius · Post by **Manarius** » Tue Sep 13, 2005 10:24 pm

You might be able to get the rim on there, but I doubt a tire. 17 is a little big for the BC's I think. Feel free to correct me on this.

92BlackBeauty · Post by **92BlackBeauty** » Tue Sep 13, 2005 11:39 pm

I believe several members are running 17's.
It is only a 205/40/17, its mostly the offset I am concerned about.

jamal · Post by **jamal** » Wed Sep 14, 2005 12:58 am

Yeah, plenty of 17" rims around. Seems like the offset is a little low to me.

http://forums.nasioc.com/forums/showthread.php?t=335263

a 7" wheel should have around 50-53mm, for 7.5, 47-50, although these numbers are for a WRX, where there's a little more room between the strut and fender.

Given how close my 205/55-16s are to the inside of the fender in the rear, I don't think I could fit a 205/50 with 13mm less offset, even if I rolled the fenders. Although once I install my camber bolts and get an alignment there will be a little bit more room.

I personally would not use them.

kenken · Post by **kenken** » Wed Sep 14, 2005 4:16 am

i'm running 05 gt wheels with no problems

215/45/17

but i'm not sure about you running a 40mm offset

Manarius · Post by **Manarius** » Wed Sep 14, 2005 4:21 am

Wow, I don't know how I would get 17's on my car. My stock 14 tires run so close to the struts I don't think I'd be able to get something bigger than 16 on there.

kenken · Post by **kenken** » Wed Sep 14, 2005 4:34 am

yeah, if you go to the topic 05gt wheels and scroll down there is a pic of my car with the gt wheels on it.

scottzg · Post by **scottzg** » Wed Sep 14, 2005 6:06 am

Manarius wrote:Wow, I don't know how I would get 17's on my car. My stock 14 tires run so close to the struts I don't think I'd be able to get something bigger than 16 on there.

you would have to convert to 92-94 struts and springs.

BAC5.2 · Post by **BAC5.2** » Wed Sep 14, 2005 10:54 pm

I don't rub with 225/45/17's on a 17x7.5" ET48 rim.

Well, I rub, but only on the fender and only at full compression.

tris91ricer · Post by **tris91ricer** » Wed Sep 14, 2005 11:05 pm

BAC5.2 wrote:I don't rub with 225/45/17's on a 17x7.5" ET48 rim.

Well, I rub, but only on the fender and only at full compression.

I rub, but only with some wet wipes and movie.

I'm getting very sleeeepyy.. Quick, someone get me warm blanket and a chicken burrito!

92BlackBeauty · Post by **92BlackBeauty** » Thu Sep 15, 2005 3:14 am

Is there possibly a wheel spacer, or anything else I could run to make the 40mm offset fit?
I bought these wheels for my celica, but now that I'm fixing my legacy I thought they would look awesome on there.
Motegi MR7 in gunmetal

BAC5.2 · Post by **BAC5.2** » Thu Sep 15, 2005 8:23 pm

Wheel spacers are bad for wheel bearings.

Best advice: Sell the wheels to another celica member, and get some wheels of the appropriate width and offset for the Subaru.

Of course, that would end up costing you money.

It's all how you want to play it. I'd do it that way, and know I'm doing it right. But you could also use wheel spacers, and pay for wheel bearings in the future.

scottzg · Post by **scottzg** » Thu Sep 15, 2005 10:00 pm

wouldnt running spacers to get the offset to subaru spec be the same as running subby wheels? I thought the problem was not in the spacers themselves, but in running the wrong offset.

Although i believe spacers reduce offset...

Post by **Legacy777** » Thu Sep 15, 2005 10:53 pm

Yes, spacers reduce positive offset. Subaru wheels have large positive offset.

So putting a spacer on a +40mm offset wheel, you'd get further away from where you want to go.

BAC5.2 · Post by **BAC5.2** » Thu Sep 15, 2005 10:55 pm

No, remember, offset is measured from the edge of the rim to the face where the hub meets the rim.

A wide (7.5") rim with a 48mm offset, will measure 48mm from the hub mating surface to the edge of the wheel.

A narrower (6.5") rim with a 48mm offset will still measure it's offset the same way, but will have the bulk of the rim tucked OVER the hub.

See what I mean?

So you space out a wheel (which is actually reducing offset, relocating the hub mating surface closer to the other measurement), you are moving the whole rim outward, and when you do that, you move the center line of the rim outward.

There ARE appropriate offset widths for specific wheel widths, and varying from this, moves the centerline of the wheel outwards (or inwards) and increases the mechanical advantage (leverage) on the hub body, which CAN stress the wheel bearings.

If you want PROPER fitment, run a wheel that was originally designed for the setup you are running. Otherwise, you'll just have to run "as best the aftermarket can provide", which in your case, is likely far to little offset.

.... I think.

jamal · Post by **jamal** » Thu Sep 15, 2005 11:25 pm

I was also under the impression that a spacer would move the wheel the wrong way. Positive offset moves the mating surface outwards, so you can't increase it with spacers.

92BlackBeauty · Post by **92BlackBeauty** » Sat Sep 17, 2005 6:02 pm

dammit. I wish i wouldn't have bought these wheels when there was no hope of fixing my subie.
What problems would I run in to with too little positive offset?

BAC5.2 · Post by **BAC5.2** » Sat Sep 17, 2005 11:12 pm

Rubbing.

jamal · Post by **jamal** » Sun Sep 18, 2005 12:21 am

yep. My WRX 205/55-16 tires actually rub a bit in the rear, but that's just because of the slight positive camber I still haven't fixed. With stock suspension I didn't rub, and if I rolled the fenders, I could fit a lot more tire between the strut and fender.

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