| ASO544 |
10-21-2015 07:08 PM |
What Gear Oil Do You Run In Your BDR...
Seems some prefer 75w90 while other recommend 75w140. A lot of sources on line love Red Line Synthetic Gear Oils.
Just curious to what BDR owners are running as I'm about to swap rear ends for an LSD unit.
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| Cashburn |
10-21-2015 08:16 PM |
Royal Purple 75w90.
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| Grey 65 |
10-22-2015 01:34 PM |
Redline 75w140
Kevin....
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| Winchester67 |
10-22-2015 01:44 PM |
No offense to anyone else, but Cashburn deals with a ton of Cobra's. I am going to side with him on this one, despite what the other members say. I mean, I respect the fact that what they post has worked for them...but that is one car. Cashburn has lots of cars going thru his shop...his opinion, to me, packs more weight.
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| RET_COP |
10-22-2015 01:57 PM |
Lucas 80w-90 Heavy Duty High Performance Non Synthetic gear oil...I don't have clutches in my differential.
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| jeffnolan |
10-23-2015 12:32 PM |
BMW recommends 75w140 for limited slip differentials and 75w90 for open diffs.
Quote:
Originally Posted by Cashburn
(Post 1368327)
Royal Purple 75w90.
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|
| cbreez |
10-25-2015 05:43 PM |
Quote:
Originally Posted by Winchester67
(Post 1368431)
No offense to anyone else, but Cashburn deals with a ton of Cobra's. I am going to side with him on this one, despite what the other members say. I mean, I respect the fact that what they post has worked for them...but that is one car. Cashburn has lots of cars going thru his shop...his opinion, to me, packs more weight.
|
You can feel that way if you want...:3DSMILE: :LOL::LOL:
This is simple. It is gear oil, period. Brand is not material as long as it is a proper spec oil. These are BMW's , not Cobra's...street cars. It takes YEARS to see the results of any faulty lubricant...and you won't, don't sweat it.
The actual difference in viscosity from 90 wt to 140 wt is miniscule for your purposes.
Don't over complicate a simple thing! |
| jeffnolan |
10-25-2015 08:23 PM |
It takes years to see the results.... case in point, it took BMW 10 years to change the spec on LSDs to 75w140. Prior to that they were recommending 75w90 in everything.
Quote:
Originally Posted by cbreez
(Post 1368739)
You can feel that way if you want...:3DSMILE: :LOL::LOL:
This is simple. It is gear oil, period. Brand is not material as long as it is a proper spec oil. These are BMW's , not Cobra's...street cars. It takes YEARS to see the results of any faulty lubricant...and you won't, don't sweat it.
The actual difference in viscosity from 90 wt to 140 wt is miniscule for your purposes.
Don't over complicate a simple thing!
|
|
| Cashburn |
10-26-2015 06:16 AM |
We use what the company that builds our LSDs says to put in them.
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| jeffnolan |
10-26-2015 04:17 PM |
@cashburn, are your LSDs the same one that Backdraft is selling on the parts website?
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| Cashburn |
10-26-2015 04:49 PM |
Quote:
Originally Posted by jeffnolan
(Post 1368922)
@cashburn, are your LSDs the same one that Backdraft is selling on the parts website?
|
I don't know what they are selling at that price. Ours are built by diffsonline. |
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