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Discussion Starter · #1 ·
I've been looking at my getting my new rims and I think I'm going to settle with a set of 18x8 rims or 19x8.5 rims. I like my tires to look nice an wide like a BMW 5 series. 245/45/18 245/40/18should add a little bit of a width to the tires to stick out past the rim edge as I hate the flush look.

Just wanted to see what these might look like. Calculations are one thing but seeing it on a rim is another story all together.

A 255/45/18 I mean a 255/40/18 is a little bit more wide in stance. But it might be a bit to wide on a 8 inch wide rim.

Any thoughts on this?

Width is 1.18" wider, sidewall is .41" shorter, .17" taller in diameter, and .53" longer in circumference.

Which should fit good. But would a 10.4" tire on a 8 Inch rim still be okay? What is the limit on the width of tire to the rim width? Is a there danger zone on width of tire to width of rim?
 

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Re: 245/45/18 users out there? Looking to widen up the tire...

255 is too wide on an 8 inch rim. Really 245 is pushing it but falls within most tires parameters. Also, the size you want to get is a 245/40/18 not a 245/45/18 . A 45 series tire would be too tall. If you go with 19's you want a 245/35/19. As far as their look, I have a set of 245/40/18s on my 18x8.5 inch Enkeis. Here are a couple pics.





 

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Discussion Starter · #3 ·
Re: 245/45/18 users out there? Looking to widen up the tire...

Close, but I need more width for the look I would like.

245/40/18 is .44 shorter in circumference than the stock 17" SEL, an only .79" wider, sidewall is .57" shorter. While my size I was thinking is a wee bit taller I would rather have a bit more length and width just over stock than go shorter.

Still thinking about the 255/40/18 though.
 

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Re: 245/45/18 users out there? Looking to widen up the tire...

[quote author=Mav2u link=topic=176070.msg3726797#msg3726797 date=1279057002]
Close, but I need more width for the look I would like.

245/40/18 is .44 shorter in circumference than the stock 17" SEL, an only .79" wider, sidewall is .57" shorter. While my size I was thinking is a wee bit taller I would rather have a bit more length and width just over stock than go shorter.

Still thinking about the 255/40/18 though.
[/quote]

Well go with the 255/40/18 then. That is a good size. If you can, look for a 18x9 inch wide wheel with a +40 to +45 offset. That will give it an even wider look and meaner stance.
 

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Not to hijack this thread, but I'm looking to to widen up the tire also, but with a 17x 8" rim.
I tried some Mustang GT rims and tires; (check the Mustang take off thread), good buy, great looking rims, but the 55 profile is just too tall. They're as good as gone.
I'm exploring a 17x 8" rim and wondering how wide of a tire I can go with without being too wide.

Thanks!
 

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[quote author=Barchetta link=topic=176070.msg3728164#msg3728164 date=1279143390]
Not to hijack this thread, but I'm looking to to widen up the tire also, but with a 17x 8" rim.
I tried some Mustang GT rims and tires; (check the Mustang take off thread), good buy, great looking rims, but the 55 profile is just too tall. They're as good as gone.
I'm exploring a 17x 8" rim and wondering how wide of a tire I can go with without being too wide.

Thanks!
[/quote]

a 245 is as wide a tire as you can go on an 8 inch wheel per most tire manufacturers. I have seen wider but it bulges and starts to compromise safety. IE dont do it.
 

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[quote author=Talisman link=topic=176070.msg3728190#msg3728190 date=1279145671]
[quote author=Barchetta link=topic=176070.msg3728164#msg3728164 date=1279143390]
Not to hijack this thread, but I'm looking to to widen up the tire also, but with a 17x 8" rim.
I tried some Mustang GT rims and tires; (check the Mustang take off thread), good buy, great looking rims, but the 55 profile is just too tall. They're as good as gone.
I'm exploring a 17x 8" rim and wondering how wide of a tire I can go with without being too wide.

Thanks!
[/quote]

a 245 is as wide a tire as you can go on an 8 inch wheel per most tire manufacturers. I have seen wider but it bulges and starts to compromise safety. IE dont do it.
[/quote]

No definitely don't want to compromise safety....I drive the kids around as much as not. A 235/50/17 is 6/10" more diameter than stock, while a 235/45/17 is 4/10" smaller than stock. (205/60/16 SE alloys). Trying to find something in between.

EDIT: a 245/45/17 is exactly the same diameter as stock, 25.7". With a 17x 8" rim, +45 offset (which is 1mm over recommended), wondering if that size would be ok, or look too flabby? Any chance on rubbing on the inside?
 

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The clearance on the inside would be a little close with that although it will work. I would go with a little lower offset personally for a better look. Like a +30 to +40. The size itself would be okay. The tire would be wider than the wheel though. You could actually put a 245 on a 9 inch wide wheel no problem.
 

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[quote author=Talisman link=topic=176070.msg3728266#msg3728266 date=1279149423]
The clearance on the inside would be a little close with that although it will work. I would go with a little lower offset personally for a better look. Like a +30 to +40. The size itself would be okay. The tire would be wider than the wheel though. You could actually put a 245 on a 9 inch wide wheel no problem.
[/quote]

Thanks again man, much appreciated.
I'm not sure what I'll do yet; I have a little time. I'd like to go with a lesser offset, but I'm just plugging in what's available to me on my limited budget. And right now, that's a set of 17 x 8" rims with the 45mm offset, or putting new tires on my stock 16's.... which I really do not want to do.

Wish this economy would pick back up.
Making half of what I made 3 yrs ago is making me loopy. :screwy:
 

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I was going to get 245/45/18 but I was afraid they would
245/40R18 is .7 inches shorter, and .3 inches wider. I doubt there would be any rubbing with .15 inches more tread on each side, and being shorter no way it would rub with the steering full lock.

245/45R18 is .4 inches taller and .3 inches wider. Should be easy to visualize if you have that much clearance (.2 inches bigger around and .15 on the sides).

I am not sure I would want a shorter tire, there is a lot of wheel well to fill up. But more likely to run into issues with taller and wider than shorter and wider.
 

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I was going to get 245/45/18 but I was afraid they would
Hi Dseymour. 245/40-19 is the optional factory tire size on the cousin of the Fusion, the Lincoln MKZ 3.0T AWD. So a 245/40-18 wheel/tire combo will fit on the Fusion. But it will throw off the speedometer/odometer, as bangster mentioned.

As far as the 245/45-18: That is the standard factory tire size on the base 18" MKZ wheel, so it will also fit the Fusion.

However, if you want to be sure, my advice would be to call The Tire Rack and ask them. https://www.tirerack.com/content/tirerack/desktop/en/homepage.html

Better to get expert advice in the first place, as opposed to asking anonymous online people (i.e. myself etc.) if we are "100% sure" what will fit.

Let us know how you make out and good luck.
 
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