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Mustang Forums
2011-2014 Mustangs
Wheels/Tires/Brakes
Let's talk 2011 wheels.
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<blockquote data-quote="Driver72" data-source="post: 9745264" data-attributes="member: 105832"><p>Here's another thing I noticed and find interesting.</p><p></p><p>The base GT comes with a 3.31 axle ratio, option is 3.55 and 3.73</p><p>The base GT also comes with the 18 inch wheels and 235 tires.</p><p>These tires are around 27.60 inches tall.</p><p></p><p>Well, if you order the optional 19 inch wheels for your GT, you get </p><p>245/45 tires that are about 27.40 inches tall.</p><p></p><p>And if you order the Brembo brake package with it's 19 inch wheels you get 255/40 tires that are 27.0 inches tall.</p><p></p><p>Well, the shorter the wheels the lower you effectively make your axle ratio.</p><p></p><p>So, if you order the 3.73 axle ratio on the regular GT with the 18 inch wheels you have wheels that are 27.6 inches tall.</p><p>But then if you order the Brembo brake package, you are getting wheels/tires that are over a 1/2 inch shorter.</p><p>That effectively makes the 3.73 axle ratio more like 3.80 or so.</p><p></p><p>That's interesting to me, because that then is the reason cars with 3.73 and Brembo brake package barely makes the 1/4 mile in 4th gear.</p><p>Because with the 18 inch wheels you should be able to get to 112 mph at redline, but it's reported with the Brembo brake package it's around 110.5 mph at redline.</p><p></p><p>I guess, just another reason to get the 3.55's for me and the Brembo brake package, as that would effectlively be around a 3.60-3.65 rear axle ratio. Perfect.</p></blockquote><p></p>
[QUOTE="Driver72, post: 9745264, member: 105832"] Here's another thing I noticed and find interesting. The base GT comes with a 3.31 axle ratio, option is 3.55 and 3.73 The base GT also comes with the 18 inch wheels and 235 tires. These tires are around 27.60 inches tall. Well, if you order the optional 19 inch wheels for your GT, you get 245/45 tires that are about 27.40 inches tall. And if you order the Brembo brake package with it's 19 inch wheels you get 255/40 tires that are 27.0 inches tall. Well, the shorter the wheels the lower you effectively make your axle ratio. So, if you order the 3.73 axle ratio on the regular GT with the 18 inch wheels you have wheels that are 27.6 inches tall. But then if you order the Brembo brake package, you are getting wheels/tires that are over a 1/2 inch shorter. That effectively makes the 3.73 axle ratio more like 3.80 or so. That's interesting to me, because that then is the reason cars with 3.73 and Brembo brake package barely makes the 1/4 mile in 4th gear. Because with the 18 inch wheels you should be able to get to 112 mph at redline, but it's reported with the Brembo brake package it's around 110.5 mph at redline. I guess, just another reason to get the 3.55's for me and the Brembo brake package, as that would effectlively be around a 3.60-3.65 rear axle ratio. Perfect. [/QUOTE]
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Let's talk 2011 wheels.
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