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2011-2014 Mustangs
Driveline/Suspension
T56 Magnum XL and gears
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<blockquote data-quote="98 Saleen Cobra" data-source="post: 15896582" data-attributes="member: 52734"><p>So a shorter tire is a quicker, but top speed with be effected obviously because less rotation. Shifting higher allows for the MPH to still be there on a short tire. You will have more traction with a taller tire due to it being less quick in rotation and more sidewall. BUT really you need to get the tires hot either way. I'll bet you are just rolling around and stabbing it.. Do a burn out and then go street race before the actual race..</p><p></p><p>Here's an example for gearing/tire height etc.. And I'll use it for street racing.. </p><p></p><p>Lets say that you ran 40-140.. and this is the main thing mph you race from. You'd want the top of 4th to be at 140 or 150 or so.. </p><p></p><p>With 3.73's and a 28" tire at 140mph you're at 7000rpm for example</p><p>With 3.73's and a 26" tire at 140mph you're at 7500rpm for example. And at 7000 you're at 130mph. </p><p></p><p>That 3.73's and 26" tire combo will be quicker getting to 140mph than the 28" combo. BUT you need that rpm to get to 140mph.. IF you don't have that RPM to spare (which it's a coyote and should be able to spin that easily enough) you'll need to have the 28" tire combo.. </p><p></p><p>I hope that make sense.</p></blockquote><p></p>
[QUOTE="98 Saleen Cobra, post: 15896582, member: 52734"] So a shorter tire is a quicker, but top speed with be effected obviously because less rotation. Shifting higher allows for the MPH to still be there on a short tire. You will have more traction with a taller tire due to it being less quick in rotation and more sidewall. BUT really you need to get the tires hot either way. I'll bet you are just rolling around and stabbing it.. Do a burn out and then go street race before the actual race.. Here's an example for gearing/tire height etc.. And I'll use it for street racing.. Lets say that you ran 40-140.. and this is the main thing mph you race from. You'd want the top of 4th to be at 140 or 150 or so.. With 3.73's and a 28" tire at 140mph you're at 7000rpm for example With 3.73's and a 26" tire at 140mph you're at 7500rpm for example. And at 7000 you're at 130mph. That 3.73's and 26" tire combo will be quicker getting to 140mph than the 28" combo. BUT you need that rpm to get to 140mph.. IF you don't have that RPM to spare (which it's a coyote and should be able to spin that easily enough) you'll need to have the 28" tire combo.. I hope that make sense. [/QUOTE]
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Driveline/Suspension
T56 Magnum XL and gears
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