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post #1 of 11 Old 04-01-2006, 08:18 PM Thread Starter
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home made Posi-Lock

my 4wd won't egage and i want to get rid of the whole vac line system controling the d30... i was wondering if there are any directions on making your own posi-lock instead of buying one for two hundred... it appears to be nuthing more than a brake line off a bicycle...

89 White Islander at, stock for now but hopefully running 35's by summer... Sold...

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post #2 of 11 Old 04-01-2006, 08:29 PM
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u could do the cheap way the lincoln locker and just weild it together but i have no clue how to build one... i would just buy it if i were u
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post #3 of 11 Old 04-01-2006, 08:55 PM
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I haven't done this, but may need to in the future. Since there is no search button anymore, I Googled this in jeepforum using the phrase "posi lock,jeepforum"
Let us know how it turns out if you do it.

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post #4 of 11 Old 04-02-2006, 08:21 AM
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I recently tried that method, but it doesn't work that well. I can't get the fork to slide back and forth very well, and it sticks at either end.
I am think about payin the @200 for the system.
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post #5 of 11 Old 04-02-2006, 08:40 AM
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Is it a vac line that's the problem? if so why not just fix that? Because if the shift fork is screwd you'll be buying a new one anyway

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65% of people let things happen
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post #6 of 11 Old 04-02-2006, 05:46 PM Thread Starter
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No i was stupid and when i replaced my carter with the mc2100 i disconected something i shouldnt have... so now im just gonna do posi-lock... Thanks i'll check out that write up!

89 White Islander at, stock for now but hopefully running 35's by summer... Sold...

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post #7 of 11 Old 04-02-2006, 07:54 PM
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I recommend going to a professional lawnmower place (weingartz) and getting a "locking throttle". The bike cable won't work - too weak.
Plus, the locking one, you can twist, and it locks in place.
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post #8 of 11 Old 04-02-2006, 11:17 PM
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www.4x4posi-lok.com has a system for sale for $60 or so. Of course they have the $200 which I bought but they also have the cheap route.

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post #9 of 11 Old 04-03-2006, 11:53 AM
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i ended up using a locking choke cable from napa. I can't find a link to it, but i had the problem finding a cable that works. heres sumthing to keep in mind:

the cable has to lock in the out position
must be strong
like 8-9 feet long

luckily that cable fit everything.
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post #10 of 11 Old 04-03-2006, 01:23 PM
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You may be able to use a brake cable from a motorcycle they are fairly stout. But cost may be high, and length may be an issue also. The cable has to go through the firewall at a convenient location, travel over the steering shaft, under the air intake box then make a gradual sweep around the front of the engine under the water pump to the front axle housing. So we are talking ~6' or so.
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post #11 of 11 Old 04-03-2006, 01:44 PM
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You could also swap in a one peice axle like a TJ. Or even make your 2 peice into a 1 peice but making the colar stay over the 2 axle peices. I have done the later using a heavy duty bolt to hold the fork/collar in place. I haven't noticed a change in MPG or had problems with my D30 locker (Aussie).

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