Dana 35 lsd rear diff, Castrol oil? - JeepForum.com
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post #1 of 9 Old 01-27-2020, 04:24 AM Thread Starter
mate44
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Hi. In progress of changing oil in the diffs now. Quick question: Is it ok to use Castrol Axle Z Limited slip 90 in Dana 35 rear with LSD?

https://www.classic-oils.net/MobileD...p?Prod_ID=4656

Thanks!

M

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post #2 of 9 Old 01-27-2020, 07:32 AM
sycboi
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I believe that will work just fine. It says it is GL-5 rated...

SuperBeast, enforcer for the Mopar Mafia ̿ '̿'̿\̵͇̿̿\з=(̪●)=ε/̵͇̿̿/'̿'̿ ̿
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post #3 of 9 Old 01-27-2020, 07:41 AM
2jhanna
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Yes, many GL5 fluids now contain the lsd additive built in. If your axle doesn't have lsd, it's still ok to use these fluids, it won't hurt anything.

I am multi-talented, I can talk and piss you off at the same time.

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post #4 of 9 Old 01-27-2020, 09:31 AM Thread Starter
mate44
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Originally Posted by sycboi View Post
I believe that will work just fine. It says it is GL-5 rated...
thank you:-)
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post #5 of 9 Old 01-27-2020, 09:31 AM Thread Starter
mate44
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Originally Posted by 2jhanna View Post
Yes, many GL5 fluids now contain the lsd additive built in. If your axle doesn't have lsd, it's still ok to use these fluids, it won't hurt anything.
Thank you:-)
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post #6 of 9 Old 01-27-2020, 09:50 AM
Jerry Bransford
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Originally Posted by 2jhanna View Post
Yes, many GL5 fluids now contain the lsd additive built in.
It's hard to find a GL-5 gear lube without the limited slip additive.

When you have a choice, buy American made.
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post #7 of 9 Old 01-27-2020, 10:15 AM Thread Starter
mate44
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Originally Posted by Jerry Bransford View Post
Quote:
Originally Posted by 2jhanna View Post
Yes, many GL5 fluids now contain the lsd additive built in.
It's hard to find a GL-5 gear lube without the limited slip additive. <img src="https://www.jeepforum.com/ubb/smile.gif" border="0" alt="" title="Smilie" class="inlineimg" />
I did put this in the front: https://m.ebay.co.uk/itm/axle-epx-80...epid=824307777

Does this contain the additive and can I use it in the rear diff? What choise do you think would be the better one? The EPX or the AXLE LS 90?
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post #8 of 9 Old 01-27-2020, 10:40 AM
Jerry Bransford
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Originally Posted by mate44 View Post
I did put this in the front: https://m.ebay.co.uk/itm/axle-epx-80...epid=824307777

Does this contain the additive and can I use it in the rear diff? What choise do you think would be the better one? The EPX or the AXLE LS 90?
It doesn't appear the EPX contains the required friction modifier additive. So for your rear limited slip differential equipped axle I'd definitely go for the Axle LS-90 which does.

When you have a choice, buy American made.
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post #9 of 9 Old 01-27-2020, 12:57 PM Thread Starter
mate44
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Quote:
Originally Posted by mate44 View Post
I did put this in the front: http://m.ebay.co.uk/itm/axle-epx-80w...epid=824307777

Does this contain the additive and can I use it in the rear diff? What choise do you think would be the better one? The EPX or the AXLE LS 90?
It doesn't appear the EPX contains the required friction modifier additive. So for your rear limited slip differential equipped axle I'd definitely go for the Axle LS-90 which does.
I will go for the Axle LS-90. Thank you for all your help! It is much apreciated.
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