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Jeep Wrangler JK
JK General Discussion
Jeep Tune Kit
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<blockquote data-quote="Vman" data-source="post: 443645" data-attributes="member: 22091"><p>Ok sounds like you're just experiencing the effects of sticking on larger, heavier tires (which a large number of us do) and non-ideal gearing.</p><p></p><p>The real problem here with the loss of acceleration (and weird shifting, struggling up hills), and the solution to it, isn't an engine tune (tho a pedal commander can really help the response feeling) it's a re-gear. Especially in an automatic.</p><p></p><p>If you previously had 32/33" tires and 3.73 gears and went to 35"s....you're going to notice a difference.</p><p></p><p>Good reference here:</p><p></p><p>[URL unfurl="true"]https://prodigyperformance.com/blog/jeep-wrangler-gear-ratio-calculator/[/URL]</p><p></p><p>Doing stuff besides regearing to fit your tire size will just be putting a band aid on it.</p></blockquote><p></p>
[QUOTE="Vman, post: 443645, member: 22091"] Ok sounds like you're just experiencing the effects of sticking on larger, heavier tires (which a large number of us do) and non-ideal gearing. The real problem here with the loss of acceleration (and weird shifting, struggling up hills), and the solution to it, isn't an engine tune (tho a pedal commander can really help the response feeling) it's a re-gear. Especially in an automatic. If you previously had 32/33" tires and 3.73 gears and went to 35"s....you're going to notice a difference. Good reference here: [URL unfurl="true"]https://prodigyperformance.com/blog/jeep-wrangler-gear-ratio-calculator/[/URL] Doing stuff besides regearing to fit your tire size will just be putting a band aid on it. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Jeep Tune Kit
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