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2013-14 Shelby GT500
3.73 gears for Shelby
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<blockquote data-quote="Robert M" data-source="post: 16335706" data-attributes="member: 9628"><p>Yes, a 3.31 gear is more of a "highway" gear, good for lower rpms on the highway and better fuel economy........and pulling top speed runs.</p><p></p><p>The 2007-2009's were the same way rpm wise, but with a wider first gear.</p><p></p><p>I would think that the add of a 3.73 gear set to a closer ratio 2013/14 transmission would be a win-win for performance, the 3.73 gear would allow the engine to wind up quicker and the lesser rpm drop between gears (closer ratio) would keep the engine in the "sweet spot", rpm wise. <<That is what the drag pack cars from the old days were all about, get the rpms up into the sweet spot quicker and keep them there through the gear changes.</p><p></p><p>The wider ratio transmissions would get the engine rpms up in first gear, but the rpm drops between gear shifts could fall out of the power sweet spots and adding a higher numerical (low gear) to a wide ratio transmission could render first gear useless.....</p><p></p><p>R</p></blockquote><p></p>
[QUOTE="Robert M, post: 16335706, member: 9628"] Yes, a 3.31 gear is more of a "highway" gear, good for lower rpms on the highway and better fuel economy........and pulling top speed runs. The 2007-2009's were the same way rpm wise, but with a wider first gear. I would think that the add of a 3.73 gear set to a closer ratio 2013/14 transmission would be a win-win for performance, the 3.73 gear would allow the engine to wind up quicker and the lesser rpm drop between gears (closer ratio) would keep the engine in the "sweet spot", rpm wise. <<That is what the drag pack cars from the old days were all about, get the rpms up into the sweet spot quicker and keep them there through the gear changes. The wider ratio transmissions would get the engine rpms up in first gear, but the rpm drops between gear shifts could fall out of the power sweet spots and adding a higher numerical (low gear) to a wide ratio transmission could render first gear useless..... R [/QUOTE]
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2013-14 Shelby GT500
3.73 gears for Shelby
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