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Slizzo
12-04-2010, 09:45 PM
Here's the question: will these wheels fit my G8 with stock suspension?

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=330499977351&viewitem=&sspagename=STRK%3AMEWAX%3AIT

I'm concerned about the fronts, I hope they will fit nicely up there. Also, what's the narrowest tire I can fit on a 9.5" rim? If I can get away with running something like 265s all around or 275s, that would be great.

I don't plan on lowering for quite a while if at all, so that isn't an issue.

-Ray-
12-05-2010, 03:25 AM
There is a compatibility flash program in that add. Did you try it? I did, it said they wouldn't fit. With that said, there are plenty of G8's running around with wheels that "shouldn't" fit. Looks like they are hub centric so you'll need rings as well.
a 275 tire will fit perfectly, so a 265 won't be too much of a stretch. They may stick out a little bit, so if you're not going to lower, or it doesn't bother you, then go for it.

Slizzo
12-05-2010, 08:54 AM
There is a compatibility flash program in that add. Did you try it? I did, it said they wouldn't fit. With that said, there are plenty of G8's running around with wheels that "shouldn't" fit. Looks like they are hub centric so you'll need rings as well.
a 275 tire will fit perfectly, so a 265 won't be too much of a stretch. They may stick out a little bit, so if you're not going to lower, or it doesn't bother you, then go for it.

I'm on my iPhone so no flash. :)

Hmm, don't know if I would want them sticking out at all...

Thanks, I'll have to think about those.


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Slizzo
12-07-2010, 09:01 PM
Ok, here's another question, does the fact that it has a lip factor into the offset calculations at all? I'm confusing myself on this I believe.


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-Ray-
12-08-2010, 04:18 AM
Ok, here's another question, does the fact that it has a lip factor into the offset calculations at all? I'm confusing myself on this I believe.


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That's a difficult question to answer directly. When I consider offset, I look to see where the actual tire edge sits, not the wheel. Typically with the correct size tire for the wheel, it will sit beyond the edge of the wheel. Hence why you always here about tires rubbing and not the wheel.
Yes, a wheel can rub also, but that's more likely going to be too small a diameter rather than a offset problem.

dandragonrage
12-08-2010, 05:45 AM
They will fit, at least if they were stock width. Almost positive it's still fine with the increased width at stock height. +40 offset is enough for brakes/suspension anyway. Make sure to get hub-centric rings with an inner diameter of 67.1mm. Those have a BMW centerbore.

Slizzo
12-11-2010, 02:24 PM
OK, so he had a staggered setup of the same wheel, in Silver. I purchased them from him however I did not know that they were different offsets (!!!), they were a +20. Of course this doesn't fit on the car (rim sticks out 0.5"-1" past the rear fenderwell on the 20x9.5" rim, did not check the front 20x8.5" one...). I've contacted him and asked him if he will trade for the ones I linked above. Those should fit much better with the +40 offset. If need be I can see if someone nearby can mill it down to a +45 or higher.

That's another question, how much do you think I can safely mill off the wheel? Stock offsets on these wheels are offered in the +20 (that he sent me), +40 for the ones linked, and a +45 (which I don't think he has).


If/when I do get these 20x9.5" wheels, can I safely put a 255/35/20 on the 9.5" rim? Or am I better off stepping it up to a 265/30/20 for the front? I'd like to run a 285/30/20 on the rear of the car.





Yeah, lots of questions.

locrzn#92
12-11-2010, 02:48 PM
No way a +20 will work, thats probably a 5 or 7 series bmw offset. My sport editions are 20x8.5 on the front with around a 36MM offset and 20x9.5's on the rear with around 38mm offset. I don't remember exactly since I've had them on the for a while. They were slightly less then the stock offsets of the g8. I've tried several sets thats come in at Big O, (I work there) just test fitting for customers and 34 is probably the least amount of
offset you'll want to run and that will also depend on the width of the wheel, the tire you intend to run and if your on a lowered stance as mine is. I've run my old vet wheels on my g8, I ran my 3 series Borbets that were staggered on it to try different offsets. Most are fine down to what I stated above. I had my dr's mounted on vet wheels, I'll be glad to help any you guys out with offests, etc. Just let me know, big o doesn't advertise on any of the forums and I won't try to sell you anything, just give some sound advice.

Slizzo
12-11-2010, 04:28 PM
Thanks loc, that helps a lot. So if I'm able to get him to send me these rims in a +40 offset I should be all set.

Will the 20x9.5" rim be too wide on the front end? And will I be able to run a 255 or 265 (preferably 255 as it's about $25 cheaper) on a 9.5" rim without issue?

locrzn#92
12-11-2010, 07:13 PM
It will be close, you may not be able to lower it in the future with 9.5, I've never tried wider then a 8.5 on the front. It seems like a couple of members have done that wide on the front, but, its gonna be tight. good luck

Slizzo
12-11-2010, 08:33 PM
Yeah, I don't think I plan on lowering in the future, so I should be OK. And with that +40 I should be able to tweak it a little eventually to get it to tuck in more.

-Ray-
12-12-2010, 04:04 AM
OK, so he had a staggered setup of the same wheel, in Silver. I purchased them from him however I did not know that they were different offsets (!!!), they were a +20. Of course this doesn't fit on the car (rim sticks out 0.5"-1" past the rear fenderwell on the 20x9.5" rim, did not check the front 20x8.5" one...). I've contacted him and asked him if he will trade for the ones I linked above. Those should fit much better with the +40 offset. If need be I can see if someone nearby can mill it down to a +45 or higher.

That's another question, how much do you think I can safely mill off the wheel? Stock offsets on these wheels are offered in the +20 (that he sent me), +40 for the ones linked, and a +45 (which I don't think he has).


If/when I do get these 20x9.5" wheels, can I safely put a 255/35/20 on the 9.5" rim? Or am I better off stepping it up to a 265/30/20 for the front? I'd like to run a 285/30/20 on the rear of the car.





Yeah, lots of questions.

Normally you would add a spacer. You would lose some thread engagement though.

Slizzo
12-12-2010, 10:50 AM
Normally you would add a spacer. You would lose some thread engagement though.

Spacers would decrease my offset though, and bring the wheel towards the outside of the vehicle. If need be, I would have the hub surface milled down; but I just don't know what a safe amount would be for that. As in, if I had these current staggered wheels milled down 20 or 25 mm, I think I would lose the mounting area in the lug holes, so that would probably be too much? There's plenty of material on the hubs to mill off, just concerned about the lug holes I guess.

Regardless, I'm attempting to get in contact with him to get those +40 offset 9.5" all around wheels.

-Ray-
12-13-2010, 02:54 AM
Yeah, I got that one wrong.

locrzn#92
12-13-2010, 04:06 AM
Dam it Ray, the scotch is gonna kill those brain cells.

jimmytt6
12-13-2010, 05:33 AM
Not sure if a 9.5 rim with +40 offset going work up front?? I have 9" up with +38 offset and its pretty tight, I am pretty slammed down though.
If it does fit there is no way a 265 or 275 going fit..best bet maybe a 255.

WhiteDeathLSX
12-13-2010, 07:19 AM
Not sure if a 9.5 rim with +40 offset going work up front?? I have 9" up with +38 offset and its pretty tight, I am pretty slammed down though.
If it does fit there is no way a 265 or 275 going fit..best bet maybe a 255. Hey Jimmy... do you know the offsets of our rear wheels?


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jimmytt6
12-13-2010, 11:03 AM
I want to say +47 for rear but not %100 on that. I have Melissa(CCW) email if you want to email her I'm sure she will let ya know.
Just PM me if you like her email..


Hey Jimmy... do you know the offsets of our rear wheels?


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Slizzo
12-13-2010, 11:36 AM
Not sure if a 9.5 rim with +40 offset going work up front?? I have 9" up with +38 offset and its pretty tight, I am pretty slammed down though.
If it does fit there is no way a 265 or 275 going fit..best bet maybe a 255.

It will be close I'm sure. The guy got back to me, will swap even (as he should. :)) and is going to get me shipping labels.

I should be able to mill 5mm off the hubs and still be safe I would believe if need be. I'll have to investigate that. Luckily I won't have to think about getting lug nuts, hubcentric rings or tires/TPMS until spring, so I have time to do research and settle on what I want to do.

I dunno about the tire size. I would imagine I could squeeze a 265 wide tire on the front, I think I would need to go with a 265/30/20 though to keep the OD closest to stock size. Luckily 285/30/20 is same OD within .1" I believe, so rears should be good to go.

Also, don't forget these will be tucked into the inside of the car 2mm more than your wheels, unless you're saying you were close to the suspension on the front end with your wheels?

-Ray-
12-13-2010, 03:11 PM
Dam it Ray, the scotch is gonna kill those brain cells.

Too late! lol

Slizzo
12-13-2010, 06:54 PM
Alright, got some labels to ship these back out to the seller, so I should be getting those 9.5" all around with +40 in a couple weeks. Will have to throw one on real quick on the front and rear and see what tweaking needs to be done.