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Unread 08-23-2007, 03:18 PM   #1
01amberfirewv
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2001 TJ Wrangler 
 
Join Date: Aug 2006
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Recomended Gear oil for Detroit and ECTED

I got both of these used and am getting ready to have them installed as well as 4.88s and 30spline shafts. What is the recomended gear oil for these lockers/TED's? I know the Detroit uses some type of aditive but I am not sure wht.

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33x10.50 BFG MT KM2 on soft 8's , 4.88's Super35, D30ECTED, OME HD, AtoZ rockers, skid plates, custom rear bumper, Champion winch, SYE, Woody shaft, 4.0tb, Rocket parts intake, Magnaflow muffler
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Unread 08-23-2007, 05:01 PM   #2
sahara33's
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1998 TJ Wrangler 
 
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no the detroit doesn't use additives. the clutch operated LSD's do. I don't use anything special on mine so this will be interesting.
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Unread 08-23-2007, 06:27 PM   #3
iismet
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I run a TrueTrac in the rear with synthetic gear oil. I am installing an ECTED in a HP 30. Auburn states not to run synthetic lube with the ECTED. They specify 80W90 hypoid gear oil and a friction additive they included with the locker.

Auburn Part Number: 504102

Auburn states use of any other lubricants or additives may cause differential clutch chatter.
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Unread 08-24-2007, 05:38 AM   #4
01amberfirewv
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Cool I'll have to make sure mine came with the additive. I didn't see it but it may be in a small pack or something.

Should I use 75-140 syn for the Detroit?
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33x10.50 BFG MT KM2 on soft 8's , 4.88's Super35, D30ECTED, OME HD, AtoZ rockers, skid plates, custom rear bumper, Champion winch, SYE, Woody shaft, 4.0tb, Rocket parts intake, Magnaflow muffler
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Unread 08-24-2007, 06:50 AM   #5
crawl1n
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I have been running Coastal 80W-90 in my 9" with a detroit for a couple years now without any problems. I haven't used any additive with it either since it is not required.
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97 TJ SE HP44 ARB, 9" Detroit, 5.13, 36x12.5 TSL's, RE 4.5" Superflex, JKS 1.25" BL, Goferit 1" MML
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Unread 08-24-2007, 06:54 AM   #6
frankiefire702
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2006 TJ Wrangler 
 
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Same here. Plane old 80/90 with all my detroits.
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Unread 08-26-2007, 11:29 PM   #7
iismet
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Quote:
Originally Posted by 01amberfirewv
Cool I'll have to make sure mine came with the additive. I didn't see it but it may be in a small pack or something.

Should I use 75-140 syn for the Detroit?
That is what I am running in mine. Also the book that came with the ECTED
states that Ford or GM friction modifier can also be used.
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