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Discussion Starter #1
A few days ago, I created a post on the 2011+ GT forum with a few questions regarding wheel offsets, tire sizes, etc. I received a few comments (thanks to those of you), but didn't really get my answers addressed. This may be due to the specificity that I incorporated in the post, so I thought I'd create a new post on the 2011+ forum with a bit of a different angle to see if I can spark up more conversation. As you read, I hope you agree that I did my research before posing my questions (one of my pet peeves)...

In a few months, I want to purchase some new shoes for my car. I wanted to seek everyone's advice to see which you would go with (and why). If you have other suggestions, I'd love to hear them (and why).


OPTION 1: Option #1 is all from Discount Tire, so they may have additional discounts (such as buy 3 tires, get 1 free). It's also much more of a piecemeal setup compared to Option #2. For those of you wondering why I went with 19s in front and 20s in the back, it came down to available wheels that have the correct bolt pattern and offsets. I believe the front wheels will clear my Brembos, but I'd love to hear any concerns, if there are any. Do any of you think the setup will have too much rake? Lastly, I was curious if a TSW Nurburgring 20x8.5" rim with a 40mm offset would clear the Brembos. If they do, I still have doubts about the 40mm offsets. They may be too tucked in, but that may be addressed by some 255/35ZR20s…

Front:
Wheels:
TSW Nurburgring - Matte Gunmetal Wheels
19" x 9" 5/114.3 32mm
$296 * 2 - $50 Online Discount + $44.72 Tax = $586.72
Link

Tires:
Michelin Pilot Super Sport
255/35ZR19XL 96Y B
$280 * 2 + 46.20 Tax = $606.20
Link


Rear:
Wheels:
TSW Nurburgring RF - Matte Gunmetal Wheels
20" x 10" 5/114.3 40mm
$336 * 2 - $50 Online Discount + 51.32 Tax = 673.32
Link

Tires:
Michelin Pilot Super Sport
285/30ZR20 99Y B
$339 * 2 + $55.94 Tax = $733.94
Link

Total = $2,600.17


OPTION 2: Option #2 is all from Late Model Restoration and a package deal. The benefit with this setup is that I can balance the wheels and it would have no rake increase, as opposed to Option #1. However, the 33mm offsets are not ideal compared to the TSW setup… (Gotta love Pro's and Con's)

All (Package Deal):
Wheels:
RTR Dark Charcoal Wheels
19" x 9.5" 5/144.3 33mm

Tires:
Nitto NT555
275/35ZR19
Link

Total = $2,119.99 + $14.99 Shipping = $2,124.98

Thanks for the help!!!
 

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Why do both these wheels have such a high offset in the rear? With that weeny little caliper in the rear, they should be able to do a ~20mm and get some nice concavity.
 

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Discussion Starter #4
Why do both these wheels have such a high offset in the rear? With that weeny little caliper in the rear, they should be able to do a ~20mm and get some nice concavity.
From what I've read, ~40mm seems to be the sweet spot for the rear wheels. I'm afraid a ~20mm offset would set the wheel too far out, potentially causing rubbing issues. I think a ~20mm offset is a bit more doable in the front, but I still think they'd stick out too far. People have expressed a lot of concern over RTR's 33mm offset. They seem right on the verge of sticking out too far, but I don't think anyone's had any issues.
 

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Michelin's are a lot more more money than Nittos not a far comparison. I like the TSW better they are lighter and have better color, offsets and size.
 

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Discussion Starter #6
Michelin's are a lot more more money than Nittos not a far comparison. I like the TSW better they are lighter and have better color, offsets and size.
I agree that comparing the Michelin Super Sports (some of the best tires on the market) against the Nittos is not a fair comparison (and not my intention). My reasoning behind this is that I have to piecemeal the TSW package (vs. the RTR package), so I chose better tires. The TSWs also allow me to have a greater stagger, so I took advantage of that by creating a bit more complicated setup with the 255s up front and the 285s in the rear. However, the RTRs run 275s all around, can be rotated, and will have no rake, so there are a minor advantages there...
 

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When I was buying wheels for my old f-body I based all my numbers off of the Factory WS6 wheel. So you need to know the Brembo wheels factory offset (which I believe is 40mm). IMO all your specs look good except the fronts with the 32mm offset. But since the wheels are 9" wide and not 9.5's like the RTR's you may be ok. Another thing to think about when pushing the wheels outward with smaller offsets, is wheelwell clearance when the wheel is at full jounce. And as far as BBP clearance I'm almost positive any 19 or 20" wheel should be fine.:bigthumbsup
 

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Discussion Starter #8
When I was buying wheels for my old f-body I based all my numbers off of the Factory WS6 wheel. So you need to know the Brembo wheels factory offset (which I believe is 40mm). IMO all your specs look good except the fronts with the 32mm offset. But since the wheels are 9" wide and not 9.5's like the RTR's you may be ok. Another thing to think about when pushing the wheels outward with smaller offsets, is wheelwell clearance when the wheel is at full jounce. And as far as BBP clearance I'm almost positive any 19 or 20" wheel should be fine.:bigthumbsup
Craig - very much appreciate your comments. You're the first person to address my questions regarding the offset selection and Brembo clearance.

The RTRs have a 33mm offset with a 19"x9.5" rim running 275/35ZR19s on several mustangs. From what I've seen, nobody has run into any wheel-well clearance issues (although close!). Considering that the TSWs have 32mm offsets on 19"x9" rims with a 255/35ZR19, I feel like I'd have plenty of rim to spare (please correct me if that's an incorrect assumption). Something I'd been curious about is if clearing the Brembo brakes is a rim height or rim width issue. Judging from your post, it looks like it's a height issue - so even a 20"x8.5" rim (which actually has 40mm offsets) will clear them.
 

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My choice is with the TSW wheel. Lighter and better lookin.

As for tire, it's completely up to you, but be sure to do a lot of research before you buy them.
 

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I run a TSW 20x9.5 with 45mm of offset in the front and 20x10.5 with 63mm of offset in the rear. I added a 3mm shim to the rear I think it looks better still far from sticking out. Oh Nitto tires. Mine are Interlagos and they come in the same offsets as the Nurburgring both are forged rim wheels. Weigh 23.5 lbs front and 24.5 lbs rear.
 

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Discussion Starter #12
I run a TSW 20x9.5 with 45mm of offset in the front and 20x10.5 with 63mm of offset in the rear. I added a 3mm shim to the rear I think it looks better still far from sticking out. Oh Nitto tires. Mine are Interlagos and they come in the same offsets as the Nurburgring both are forged rim wheels. Weigh 23.5 lbs front and 24.5 lbs rear.
Man, Alex, that's a sick looking car - love it. I'd love to run a similar setup on my car, but the available wheel options for the Nurburgrings do not come in such sizes with the correct bolt patterns. For better or worse, I think I'm stuck with the sizes stated in my original post.

Can anyone confirm if the TSW Nurburbring 20" x 8.5" w/ 40mm offsets will clear the Brembos?
 

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Discussion Starter #13

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I run a TSW 20x9.5 with 45mm of offset in the front and 20x10.5 with 63mm of offset in the rear. I added a 3mm shim to the rear I think it looks better still far from sticking out. Oh Nitto tires. Mine are Interlagos and they come in the same offsets as the Nurburgring both are forged rim wheels. Weigh 23.5 lbs front and 24.5 lbs rear.

I'm in love..........
 

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Craig - very much appreciate your comments. You're the first person to address my questions regarding the offset selection and Brembo clearance.

The RTRs have a 33mm offset with a 19"x9.5" rim running 275/35ZR19s on several mustangs. From what I've seen, nobody has run into any wheel-well clearance issues (although close!). Considering that the TSWs have 32mm offsets on 19"x9" rims with a 255/35ZR19, I feel like I'd have plenty of rim to spare (please correct me if that's an incorrect assumption). Something I'd been curious about is if clearing the Brembo brakes is a rim height or rim width issue. Judging from your post, it looks like it's a height issue - so even a 20"x8.5" rim (which actually has 40mm offsets) will clear them.
Your assumption is right on the money as that is what I was trying to convey to you. BTW my choice would be the TSW's. Also it's my understanding that the Brembo's need a 19" or bigger wheel, but I also read somewhere that there are a few 18" styles that will work. Hopefully my limited knowledge was able to help in your descision.

Good Luck
 

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Discussion Starter #16
Your assumption is right on the money as that is what I was trying to convey to you. BTW my choice would be the TSW's. Also it's my understanding that the Brembo's need a 19" or bigger wheel, but I also read somewhere that there are a few 18" styles that will work. Hopefully my limited knowledge was able to help in your descision.

Good Luck
You definitely helped the process - much appreciated. This thread really solidified my decision on the TSWs and Michelins. Now my Pirellis need to wear out already so I can make the order, but I'm surely not burning out $400+ tires!!

The only thing I need to do is keep my eye's peeled during the next few months for anyone running TSW 20"x8.5" rims up front w/ Brembo brakes. I'd love to keep 20's all the way around to keep the rake the same, but if I have to go with a 19"x9" up front and a 20"x10" in the back, so be it. Discount Tire may also be able to help since I'll be ordering/installing everything with them.
 

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I am running 20 x 10 and 20 x 8.5 40mm offset 285/30/20 and 255/35/20 in the front Nitto Invo's. I ran my rear tires off already so I am putting on a 315/35/20 Nitto NT05 R in the rear.
 

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Discussion Starter #18
I am running 20 x 10 and 20 x 8.5 40mm offset 285/30/20 and 255/35/20 in the front Nitto Invo's. I ran my rear tires off already so I am putting on a 315/35/20 Nitto NT05 R in the rear.
Very nice setup! I noticed that you don't have Brembos, but was wondering - how does the clearance look using 20"x8.5"s up front? Do you think I could get away with running them on my car?
 

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Well, I called American Muscle today asking if the 20" x 8.5" TSW Nurburgring would clear the Brembo brake package on 2011+ Mustnags. They did verify (the sales rep even asked some other people) that they WILL clear them. This is definitely good news for me, as I wasn't crazy about having 19's up front and 20's in the back. Thanks to everyone that helped out! :bigthumbsup
 
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