post #136 of Old 10-29-2011, 09:46 PM
Freestyle713
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do you have lsd? i used pennzoil 80w-90 with no limited slips and it works fine.

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post #137 of Old 10-30-2011, 01:56 AM Thread Starter
ninjastar
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Well I read the manual and it says I need to and lsd to the rear. If I just get 4qts of 85w-140 of royal purple or lucas would I bee good to put that in the front and rear even if the front doesnt need lsd which is already added in these synthetic oil??
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post #138 of Old 10-30-2011, 08:54 AM
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You could use it in the front but it would be a total waste. The front just needs regular gear oil. I have 75-90 in the front and Royal Purple 75-140 in the rear. Save the expensive stuff for the rear.
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post #139 of Old 10-30-2011, 08:20 PM
Freestyle713
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find your build sheet and find out if you have ls. if you dont have it, then you dont need any fm
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post #140 of Old 10-30-2011, 08:43 PM
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They didn't put to many LS in the eary ZJ's did they?
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post #141 of Old 10-30-2011, 09:21 PM
Freestyle713
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Quote:
Originally Posted by PolkaPower View Post
They didn't put to many LS in the eary ZJ's did they?
they did in some of them, idk how many though
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post #142 of Old 10-30-2011, 11:37 PM Thread Starter
ninjastar
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Well thats what the 93 zj repair book says so idk.

So this in the front.
http://www.4wheelparts.com/Performan...&t_pn=LUC10047

And this for the rear??
http://www.4wheelparts.com/Performan...&t_pn=LUC10121

Also if im changing my diff fulid should I change the covers or are the oems good enough for basical off roading?
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post #143 of Old 10-31-2011, 08:31 AM
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If you have a LS in the rear you need friction modified fluid or the additive. As for the diff cover, I don't think it will be an issue unless you start trying to drive over large rocks.
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post #144 of Old 10-31-2011, 09:09 AM
Freestyle713
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the only 2 recommended for use in zjs is 80w-90 and 75w-140, the 75w-140 being used if you do a lot of towing. so if you dont do a lot of towing, the 80w-90 is best.
[ame]http://www.amazon.com/Penzoil-Gear-Oil-80W-90-1Qt/dp/B0002KL09S/ref=sr_1_28?ie=UTF8&qid=1320073722&sr=8-28[/ame]
i got three of these
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post #145 of Old 10-31-2011, 11:18 PM Thread Starter
ninjastar
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Can I possibly run 75w-140 just for the use of towing people if I have to but it barly sees dirt maybe once every 2 months or should I just stick with the 80w-90?
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post #146 of Old 11-01-2011, 08:09 AM
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Towing means towing a trailer or some other large heavy object for lots of miles. Not pulling someone out of a hole.
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post #147 of Old 11-01-2011, 08:33 PM Thread Starter
ninjastar
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I knew that xP.Is penzoil the best or is their a better brand?Like is lucas or royal purple on par, bellow or better?
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post #148 of Old 11-01-2011, 09:48 PM
Freestyle713
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pennzoil is a pretty trusted brand, idk if theyre the best, but its pennzoil. who hasnt heard of them? and its just gear oil. not engine oil. and plus, you cant beat the price
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post #149 of Old 11-22-2011, 03:04 PM Thread Starter
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post #150 of Old 11-22-2011, 03:05 PM Thread Starter
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