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post #1 of 13 (permalink) Old 06-17-2008, 09:24 AM Thread Starter
 
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question 17x8 w/ 20 offset

Will a 17x8 wheel with an offset of 20mm fit in the back wheel wells? I'm guessing this shouldn't be a problem.
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post #2 of 13 (permalink) Old 06-17-2008, 08:47 PM Thread Starter
 
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anyone?
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post #3 of 13 (permalink) Old 06-18-2008, 08:06 AM
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Normally an 8" wheel for an MN-12 is around +40 offset. So if get one that is +20 instead, it's going to be out almost an inch farther. Depending on the tire size you go with, you may get rubbing on the fender lip.


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post #4 of 13 (permalink) Old 06-18-2008, 09:20 AM
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That offset value does not sound right...Regardless, a +20mm offset with that width wheel will rub the rear fenders running a 245MM tire or wider.

As Ed pretty much already explained.

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post #5 of 13 (permalink) Old 06-18-2008, 01:29 PM Thread Starter
 
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Quote:
Originally Posted by fast Ed View Post
Normally an 8" wheel for an MN-12 is around +40 offset. So if get one that is +20 instead, it's going to be out almost an inch farther. Depending on the tire size you go with, you may get rubbing on the fender lip.


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I'm confused. Most 8" wide wheels I've seen w/ a 40 offset don't come close to the fender in the back, at least not on the top where it matters with rubbing. even lowered, they still don't come close in height or width to touching. W/ a 245mm tire, you're looking at a little over 9 inches total width with rubber. As far as the width, at 20mm additional offset, that's a little less than an inch to the wheel, I don't see where everyone is assuming this will stick out way beyond the fender. There are people that are squeezing in 17x10s in the back that sit flush with the top of the fender. Anyways, if I'm wrong, please shed some ligth, but this doesn't seem to sound right.

I do appreciate the feedback!
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post #6 of 13 (permalink) Old 06-18-2008, 02:11 PM
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I'm not saying that they will be sticking out, but they will be close to the fender lip. Depending on the tire diameter you choose, and the ride height of your car, they may or may not interfere with the fender lips. On a stock ride height car, probably not. Airlift bags in the rear coils would help too ... most of the people running 9.5" or 10" wheels on the rear have those.

What specific tire size were you thinking to use with these wheels?


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post #7 of 13 (permalink) Old 06-18-2008, 02:19 PM Thread Starter
 
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Originally Posted by fast Ed View Post
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LOL... I was going to use 255 series tire, but you guys are making me wonder if it will fit
maybe a 245/50/17
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post #8 of 13 (permalink) Old 06-18-2008, 02:31 PM
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245 50 17 is the perfect size for an MN12/FN10, IMHO. But until recently the options were limited.

http://forums.tccoa.com/showthread.php?t=112915

If I didn't have new Pirelli's all around, I would buy a new set.

245 50 17's on 17 x 8 with 40 mm offset (suspension lowered):
http://imagehost.vendio.com/a/303536...ark_VIII_2.JPG

245 50 17's on 17 x 8.5 (eibach lowered):
http://imagehost.vendio.com/a/303536...nals_Small.JPG

Just giving you an idea of the sidewall vs fender openings.

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post #9 of 13 (permalink) Old 06-18-2008, 04:20 PM Thread Starter
 
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Quote:
Originally Posted by 94 Daily Driven 4.6L View Post
245 50 17 is the perfect size for an MN12/FN10, IMHO. But until recently the options were limited.

http://forums.tccoa.com/showthread.php?t=112915

If I didn't have new Pirelli's all around, I would buy a new set.

245 50 17's on 17 x 8 with 40 mm offset (suspension lowered):
http://imagehost.vendio.com/a/303536...ark_VIII_2.JPG

245 50 17's on 17 x 8.5 (eibach lowered):
http://imagehost.vendio.com/a/303536...nals_Small.JPG

Just giving you an idea of the sidewall vs fender openings.
Great photos for reference, thanks. What is the offset on the second one with the 17x8.5" and the eibachs on?
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post #10 of 13 (permalink) Old 06-18-2008, 06:08 PM
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Again, I don't think I have heard of a 8" wide mustang wheel with a +20mm offset but hey I have been wrong before. What I am not gonna be wrong about is if it will rub or not... IF those are the correct specs it WILL rub as described already above with respect to tire width.

When I say RUB thats exactly what it means. This is not relative to Hanging out of the fenders. They won't hang out in the rear but they will come in contact with the fender lip. The fronts are going to hang out a lil bit and even more pronounced on an early car.

The specs of that wheel are such that they will fit 3MM further outside of the fender than that of a 9" wide wheel with a +36MM offset. Simple math explains that. So its not going to look bad but if you want to lower the car at all you will be solving a simple rub issue with bags or rolling the fender lips...

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post #11 of 13 (permalink) Old 06-18-2008, 08:36 PM Thread Starter
 
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Originally Posted by cudaz101 View Post
Again, I don't think I have heard of a 8" wide mustang wheel with a +20mm offset but hey I have been wrong before. What I am not gonna be wrong about is if it will rub or not... IF those are the correct specs it WILL rub as described already above with respect to tire width.

When I say RUB thats exactly what it means. This is not relative to Hanging out of the fenders. They won't hang out in the rear but they will come in contact with the fender lip. The fronts are going to hang out a lil bit and even more pronounced on an early car.

The specs of that wheel are such that they will fit 3MM further outside of the fender than that of a 9" wide wheel with a +36MM offset. Simple math explains that. So its not going to look bad but if you want to lower the car at all you will be solving a simple rub issue with bags or rolling the fender lips...

Brad
sorry, not a mustang wheel. this is a voxx 17x8 wheel in a 4.25 bolt pattern, 20mm offset, intended for only the rear wheel well. the front would be in a 17x7.

I do appreciate the info though.

also, what is the offset of the 17x10 coddington smoothies? those look like they come right up to the fender lip as well.
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post #12 of 13 (permalink) Old 06-23-2008, 11:17 AM
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Not sure what the offset on the 95 cobra wheels is/was, but I had 275/40s on them in the rear with no problem and 245/40s in the front without a problem.

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post #13 of 13 (permalink) Old 06-23-2008, 02:02 PM
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All of the Ford OEM SN95 (94-04) Mustang 17 x 8" wheels were +30 mm offset.


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