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Thread: Synthetic gear lube? problems?
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06-18-2005 #1
Synthetic gear lube? problems?
I have a Moser 12 bolt with Eaton posi, 3.42:1 gears with c-clip eliminator axles, the Moser instructions say NOT to use synthetic gear oil, but the Eaton instructions say that you should use synthetic oil..., plus I have to add the limited slip additive. Can anyone shed any light on why I may or may not want to use synthetic oil in there? My preference is to use synthetic, but if there is a good, solid reason why I should not, please enlighten me.
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06-18-2005 #2Eaton built the posi, Eaton says use synthetic. I would use synthetic. However, there might be an issue with the axel bearings/ c-clip eliminator setup. Contact Moser and ask "Why?"
The needs of the many outweigh the needs of the few.
06-23-2005 #3New to Pro-Touring- Join Date
- Aug 2004
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- Michigan
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I'm not sure why the Eaton brochure said to use synthtic but don't. Use some normal mineral oil with a bottle of additive. Synthetic lube can cause chatter. Low speed chatter will most likely develop at some point with the synthetic. I'm a technician at Eaton that has worked on this issue in the past and it is ongoing. Mineral oil with additive is the best oil for the job. Synthetic isn't going to cause a failure but it can cause excessive noise.
07-04-2005 #4Registered User- Join Date
- Feb 2005
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- 328
I just bought some synthetic gear oil for my dif with an Eaton posi. I should take it back now eh?
07-09-2005 #5