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4 Door Jeep JKU...??
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<blockquote data-quote="sexxy" data-source="post: 649094" data-attributes="member: 6598"><p>I did a gear swap on a '15 sport a few months back. Went from 3.73-5.13. Guy is running 40s and said it was night and day different. After the gear swap the computer had to be reprogrammed for the trans to even shift, went into limp mode. Dude said dealer wanted $500ish to reprogram so he bought an aftermarket programmer for <$400. I do agree that they all need more hp if you go bigger than stock tires or tow even a lawnmower trailer. The 3.6 is not as much of a dog as the 3.8 but as the saying goes " there is no displacement for displacement". If you can find one with a bad engine or transmission it would be a easy decision to go ahead and upgrade to a v8.</p></blockquote><p></p>
[QUOTE="sexxy, post: 649094, member: 6598"] I did a gear swap on a '15 sport a few months back. Went from 3.73-5.13. Guy is running 40s and said it was night and day different. After the gear swap the computer had to be reprogrammed for the trans to even shift, went into limp mode. Dude said dealer wanted $500ish to reprogram so he bought an aftermarket programmer for <$400. I do agree that they all need more hp if you go bigger than stock tires or tow even a lawnmower trailer. The 3.6 is not as much of a dog as the 3.8 but as the saying goes " there is no displacement for displacement". If you can find one with a bad engine or transmission it would be a easy decision to go ahead and upgrade to a v8. [/QUOTE]
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