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Redline for an LSD trans???????

 
Old 10-06-2016, 03:40 PM
  #31  
paalw
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Is this the correct oil, that you are all talking about, for 5-speed trannies with LSD?

https://mobiloil.com/en/gear-lubrica...c-gear-lube-ls
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Old 10-06-2016, 03:56 PM
  #32  
mark kibort
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i would use the redline 75-90 NS / with half non NS mix
i wouldnt mess with mobil 1. never tried it, but redline seems to be proven under racing conditions.
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Old 10-06-2016, 03:59 PM
  #33  
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Originally Posted by GregBBRD View Post
Neither. Use Mobil 1 LS 75-90 and forget it.

If it is good enough for Porsche to put into the Porsche Cup Cars (and they have lots of plates in their limited slips) from the factory...it will work great in your 928 transmsison.

uggg Greg.. Mobil 1 is also used in the cup cars engines.. and we know how that oil performs in our cars!

the fact that we have less plates puts more responsibility on the fluid. dont know much about mobil 1 gear oil, but i have never had a leak in many transmissions using redline. scots, and all of my 928 racers over the years. no transmission leaks.
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Old 10-06-2016, 05:07 PM
  #34  
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Originally Posted by paalw View Post
Is this the correct oil, that you are all talking about, for 5-speed trannies with LSD?

https://mobiloil.com/en/gear-lubrica...c-gear-lube-ls

thats the stuff! been working great for years after i switched form the redline mix.
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Old 10-06-2016, 07:14 PM
  #35  
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Originally Posted by mark kibort View Post
...dont know much about mobil 1 gear oil...
Gear oil is not the same as engine oil. Mobil 1 LS gear oil is great stuff and works well in our gearboxes and works well oin our limited-slip diffs (LSD and PSD).
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Old 10-07-2016, 01:00 AM
  #36  
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Originally Posted by jcorenman View Post
Gear oil is not the same as engine oil. Mobil 1 LS gear oil is great stuff and works well in our gearboxes and works well oin our limited-slip diffs (LSD and PSD).
I've got a 250,000 mile GTS engine apart, which has lived on Mobil 1 since the beginning.

Rod bearings looked like new. Zero cam wear.

While not my favorite oil, hard to argue with this reality.....
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Old 10-07-2016, 04:26 AM
  #37  
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So even when the tranny and LSD uses the same oil as in the 928, we should use the Mobil 1 LS gear oil? The gearbox and sync rings will not take harm from the LS ingredients?
It isn't like the LS oil is meant to go in separate "standalone" differentials?
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Old 10-07-2016, 10:56 AM
  #38  
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dont over think it to much. it works just fine. many MANY people use it.
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