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Jeep Wrangler JK
JK General Discussion
tire size with 2.5" lift question
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<blockquote data-quote="JerryD" data-source="post: 437576" data-attributes="member: 17662"><p>Well, truth be told, I don't like going 80 in the Jeep - usually it's when I'm keeping up with traffic and then I'll let it go back to 73-75 when the limit is 75. I can't recall the ACTUAL tire size of my 35's but assuming they are for the sake of argument, and using an <a href="https://purperformance.com/p-29669-rpm-calculator.html" target="_blank">online calculator,</a> I'm turning ~2865 at 80mph. Same conditions but with 3.21 gears and I'd be at 2465. With 4.56 gears, it would be a shade over 3500.</p><p></p><p>I do manually downshift at times and it's so automatic now (no pun intended), I don't think about it much. Re-gearing would eliminate that.</p></blockquote><p></p>
[QUOTE="JerryD, post: 437576, member: 17662"] Well, truth be told, I don't like going 80 in the Jeep - usually it's when I'm keeping up with traffic and then I'll let it go back to 73-75 when the limit is 75. I can't recall the ACTUAL tire size of my 35's but assuming they are for the sake of argument, and using an [URL='https://purperformance.com/p-29669-rpm-calculator.html']online calculator,[/URL] I'm turning ~2865 at 80mph. Same conditions but with 3.21 gears and I'd be at 2465. With 4.56 gears, it would be a shade over 3500. I do manually downshift at times and it's so automatic now (no pun intended), I don't think about it much. Re-gearing would eliminate that. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
tire size with 2.5" lift question
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