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Jeep Wrangler JK
JK General Discussion
4.56 too much for 3.8 and manual?
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<blockquote data-quote="72c10" data-source="post: 442934" data-attributes="member: 19352"><p>OK... just picked up the JK from the shop with the new 4.56 gears. I'm still easy on the throttle for the break-in...but damn - with the Pedal Commander on, it's a noticeable difference from 3.21 to 4.56. I'm a little hesitant to get on the throttle, due to break-in for the gears, so I'll update and see what RPMs I'm in at 80mph w/ 285/70r17 (33s) for future reference. Without the Pedal Commander on, the difference was not as noticeable, only that I would reach 3000 rpm a little sooner, but the acceleration didn't seem as if it was that much quicker. I turned it on halfway to my office and I REALLY saw a difference. I'll do a few heat up and cool down cycles and take it on the freeway in a day or two and update.</p></blockquote><p></p>
[QUOTE="72c10, post: 442934, member: 19352"] OK... just picked up the JK from the shop with the new 4.56 gears. I'm still easy on the throttle for the break-in...but damn - with the Pedal Commander on, it's a noticeable difference from 3.21 to 4.56. I'm a little hesitant to get on the throttle, due to break-in for the gears, so I'll update and see what RPMs I'm in at 80mph w/ 285/70r17 (33s) for future reference. Without the Pedal Commander on, the difference was not as noticeable, only that I would reach 3000 rpm a little sooner, but the acceleration didn't seem as if it was that much quicker. I turned it on halfway to my office and I REALLY saw a difference. I'll do a few heat up and cool down cycles and take it on the freeway in a day or two and update. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
4.56 too much for 3.8 and manual?
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