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Old 02-23-2012, 10:51 AM   #1
xINVICTUS28x
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Upsizing rims?

I have the stock 16" rims on my grand am. I plan on getting new rims but not sure whether to upsize or not, or how much. I've never upsized on a car before so I'm not rly familiar with it. First off, would it look better? And how big? And would it mess anything up? Cause any problems or would I have to adjust anything? Thanks.
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Old 02-23-2012, 11:40 AM   #2
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There are lots of threads to view about this. But anyway, most of us are going to say do not go larger than 18" on wheel size. If you go up to an 18 your tire size will most likely end up being 225/40/18 or 235/40/18. Speed will slightly be off, but not my too much to really worry about
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Old 02-23-2012, 11:55 AM   #3
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I wouldn't go larger than 18's anyway would 18 or 17 look better? I don't plan on lowering the car or anything like that.
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Old 02-23-2012, 01:09 PM   #4
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id maybe say 17 if you dont plan on lowering it.
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Old 02-23-2012, 07:30 PM   #5
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Since you have the 16's already, I would recommend the 18's. If you go with 17's it won't be very noticeable of an upgrade and you may as well stick with 16's for ride comfort in that case. 17's are only a noticeable upgrade if you're starting with 15's.

Whatever you do, make sure you buy an equivalent tire size so that you don't throw your speedo off much. I'd also recommend Eibach springs with any size rim/tire choice. It's a subtle drop but still reduces that wheel gap enough to improve the looks of the car without sacrificing the ride quality too much.
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Old 02-23-2012, 07:45 PM   #6
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speaking of ride comfort, how noticeable of a difference is it going from 16's to 18's?

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Old 02-23-2012, 09:34 PM   #7
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my 18s are a comfy ride.
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Old 02-24-2012, 06:58 AM   #8
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Would it be a good idea to get a big brake set or f body brakes? Anyone have any sites I could like at for some?
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Old 02-24-2012, 07:07 AM   #9
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Would these work ? http://item.mobileweb.ebay.com/viewi...id=83810597729

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Old 02-24-2012, 07:36 AM   #10
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17s can look significantly better than stock 16 depending on the design. the bigger the wheel the harsher the ride will be due to less tire sidewall.

I recommend bigger brakes no matter what, but you will not need to upgrade. the change is not as big as those jerks that go with 26" rims and keep the stock brakes. the bigger the wheel is the harder it is to stop. going from 16 to 18 is not enough change to cause issues, but with bigger wheels you will have room for f-body or corvette brakes, and I am a huge fan of bigger brakes.
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Old 02-24-2012, 10:23 AM   #11
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yeah i just looked at the How To thread on here over the corvette brakes. I think I'll end up doing that. Looks pretty sweet.
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Old 03-01-2012, 12:52 AM   #12
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Stock 15's on my SE to 18's wasn't a problem, and nothing to adjust (spedo). About 2 kilometers off. Larger rims with low profile tires (225/40/18) are just slightly bigger than the 15's with the stock all season tires on. Pics attached. Note: Started of with SE rims then switched to 15's from my dad's Montana.
Attached Images
File Type: jpg Copy of Rims4sale2.jpg (209.9 KB, 10 views)
File Type: jpg DSC00178.jpg (188.2 KB, 13 views)

Last edited by 1HOT SE; 12-11-2013 at 10:32 PM.
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