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Jeep Wrangler JK
JK General Discussion
Can I use a Flashcal to reset the computer to OEM specs and the wheel size that is on the Jeep now?
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<blockquote data-quote="Anybodyhome" data-source="post: 432495" data-attributes="member: 19161"><p>1. Definitely need to determine what gears you're running. And, like Black mentioned above, please make sure the front and rear gears are alike.</p><p>2. Program the correct gear ratio.</p><p>3. Program the correct tire size.</p><p></p><p>Step 1 is critical, because if the previous owner changed the rear gearing and left the front alone because he'd never use 4WD, you'll probably blow up the transfer case the first time you put it in 4WD and put it in gear. That repair alone could run you $2k.</p><p>Please do not assume what is on the rear differential is what the current gearing is. You already know it's not right. Again, like Black said above, you have little choice but to pull the covers and see for yourself what gears your Jeep is running. Trusting anything less that your own eyes could be expensive.</p></blockquote><p></p>
[QUOTE="Anybodyhome, post: 432495, member: 19161"] 1. Definitely need to determine what gears you're running. And, like Black mentioned above, please make sure the front and rear gears are alike. 2. Program the correct gear ratio. 3. Program the correct tire size. Step 1 is critical, because if the previous owner changed the rear gearing and left the front alone because he'd never use 4WD, you'll probably blow up the transfer case the first time you put it in 4WD and put it in gear. That repair alone could run you $2k. Please do not assume what is on the rear differential is what the current gearing is. You already know it's not right. Again, like Black said above, you have little choice but to pull the covers and see for yourself what gears your Jeep is running. Trusting anything less that your own eyes could be expensive. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Can I use a Flashcal to reset the computer to OEM specs and the wheel size that is on the Jeep now?
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