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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford SVT Raptor General Discussions [GEN 1]
Installing 40 inch nitto tires ( re gearing
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<blockquote data-quote="Truckzor" data-source="post: 1331114" data-attributes="member: 10220"><p>Yeah I ran the math real quick for you. A 39.5" tire is 14.5% larger in circumference than a 34.5" tire. Meanwhile, the 4.88 gears are 18.7% lower than the stock 4.11s. So you are actually going to have effective gearing that is 4% lower than stock. That's what I would do.</p><p></p><p>I think the 5.13s are going to be overkill. Plus they will be weaker due to the size of the pinion gear. And they also tend to be more noisy.</p><p></p><p>Just my two cents.</p></blockquote><p></p>
[QUOTE="Truckzor, post: 1331114, member: 10220"] Yeah I ran the math real quick for you. A 39.5" tire is 14.5% larger in circumference than a 34.5" tire. Meanwhile, the 4.88 gears are 18.7% lower than the stock 4.11s. So you are actually going to have effective gearing that is 4% lower than stock. That's what I would do. I think the 5.13s are going to be overkill. Plus they will be weaker due to the size of the pinion gear. And they also tend to be more noisy. Just my two cents. [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford SVT Raptor General Discussions [GEN 1]
Installing 40 inch nitto tires ( re gearing
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