Re-gearing
Ive decided on a lift and 32in tires. Im ok with regearing if i have to. Ive got a 5 speed so my first question is should i have to do regearing? And if so then should i put a chrysler 8.25 rear end with 3.90 gears or 4.10?
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You won't find 3.90s and if you have a manual save some coin and get axles out of an auto. The 3.55s will be good for 32s. Much better than your 3.07s.
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Or...
Buy a ford 8.8 with 4.10 gears and an lsd from the scrap yard and then regear the front to 4.10. |
4.10s with 32s and a manual and you'll be pushing some seriously high rpm on the highway.
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Originally Posted by xjmarc
(Post 861941)
4.10s with 32s and a manual and you'll be pushing some seriously high rpm on the highway.
How so? 4.10 gears with an AX-15/NP231 combo and 32" tires yields a 5th gear rpm of 2211 @ 65mph The standard 4.56 gears for 33" tires and an AW-4/NP231 combo gives a 4th gear rpm of 2263 @ 65mph And for the sake of arguing... the 4.10/32" in a 5 speed would only be 77rpm more in 5th gear than 4.56 gears and 35" tires with an auto trans So how do you figure? |
Originally Posted by xjmarc
4.10s with 32s and a manual and you'll be pushing some seriously high rpm on the highway.
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I'm pushing 27k with 4.56s and 35s with an AW4 in OD.
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27 thousand? You should only be turning 2134rpms at 65 with your gears and transmission.
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Originally Posted by xjmarc
I'm pushing 27k with 4.56s and 35s with an AW4 in OD.
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alright. 3.55s sound good. Im not going to be doing a ton of offroading or serious offroading when i do go. Its mainly just gunna be for to and from school and work. I just dont wanna have my xj feeling bogged down. I definitely wanna get the 3.07s out though. Cause they even feel bogged down on the highway at times with my 30 in tires i have on now. Are 3.73s a possibility though? I dont mean to sound ignorant with this stuff im just new to all the mods such as axles and sye's for bigger tires and stuff.
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http://www.jeep4x4center.com/calculators/index.htmif you find a 4banger xj you get factory 410s you might get lucky
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thanks a lot man. That chart is very helpful. seriously. and that would be nice to find. my sisters 97 xj with an auto is sittin in the driveway dead (:/ was a nice car) but i think ill try to yank the gears out of it since its should be 3.55s
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Ok this may be a stupid question but where can you find a Ford 8.8
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Originally Posted by EjGonzales
Ok this may be a stupid question but where can you find a Ford 8.8
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Just find one in the junk yard and buy it?
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