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Author Topic: 8.8 diff fluid.  (Read 1525 times)

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6099

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8.8 diff fluid.
« on: February 19, 2006, 07:49:46 PM »
hi, just put in a ford 8.8 with LSD. filled it with 80-90W LSD oil. Got a bit of chatter which quietens a bit after the diff warms up but not completely gone. I guess I got the wrong oil in it. What oil should I use?
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Offline Jeffy

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8.8 diff fluid.
« Reply #1 on: February 19, 2006, 08:00:19 PM »
Does the LSD require friction additive?  I forget if it's an Eaton.
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6099

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8.8 diff fluid.
« Reply #2 on: February 19, 2006, 09:17:42 PM »
I have no idea if it needs a friction additive. Basically I'm clueless. Just filled it with the same oil as I did for the old D35, which is 80-90W.

What do you guys use in the 8.8?
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Offline Jeffy

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8.8 diff fluid.
« Reply #3 on: February 19, 2006, 09:46:54 PM »
Just did a search.  You need to add a friction additive to the oil.  Those are clutches in your LSD and if you want them to last you need to add it to the oil.
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6099

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8.8 diff fluid.
« Reply #4 on: February 20, 2006, 12:42:09 AM »
Alright. Thanks. Why didn't I think of googling it up myself? :oops:

Also found out the factory tag specifies 75-140. But some guys seem to be doing fine with a 75-90

http://theoildrop.server101.com/cgi/ultimatebb.cgi?ubb=get_topic;f=16;t=001050;p=1
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getstucksome

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8.8 diff fluid.
« Reply #5 on: February 25, 2006, 11:08:10 AM »
i'm runnin 80w90 in my 8.8.  no lsd though.  got a detroit ;)  

adding that friction additive is a must for the lsd though.
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