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Author Topic: strengthen the NP231...  (Read 647 times)

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Offline hps4evr

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strengthen the NP231...
« on: November 17, 2007, 05:20:51 PM »
what are the upgrades for this t/case? i know of a wider chain, and ive only heard of low range planetary sets with more planets... but where do i find them?
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yjcanibul

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strengthen the NP231...
« Reply #1 on: November 17, 2007, 10:14:00 PM »
here's an upgrade (new rubi t-cases)
http://www.jbconversions.com/pages/products/nvg241OR/index.html

they (and others) also have 4:1 kits for 231 like teraflex etc ...  with 4.10s I am ok with 33's - if I wanted more gear I would do this before redo'ing axels ...

I believe there are some variations of the 231 in chevy 1/2tons with wider chain that use 6 planetary gears instead of 3 that can be adapted to jeeps ...
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