by Digz Tue Apr 06, 2010 6:02 pmI just put the standard heavy gear lube like we use in everything in my 4:11 posi. What is supposed to go in there, or will that be okay?
5 posters
Rear End Gear Lube Q
Digz- Number of posts : 3794
Location : United States Six Lakes MI
Registration date : 2008-05-17
G-Force- Number of posts : 56
Location : Sour Lake, TX
Registration date : 2010-04-02
Good question! I'm about to freshen up all the juices in my van too and this would be great info. -John
m1dadio- Chevy Guru
- Number of posts : 1778
Location : north saanich
Registration date : 2008-10-06
once upon a time posi fluid was different then regular hypoid oil. Now the gear oil sold is said to be good for both. But thats because the materials used in modern posi and limited slip gears is a modern materil whos coeficient of friction is not changed by the gear oil produced today.
But I don't know if that applies to old time clutch materials.
M1D
But I don't know if that applies to old time clutch materials.
M1D
GreyFoxMC- Number of posts : 56
Location : Agawam, MA. USA
Registration date : 2008-06-02
I have always used an additive when changing lube in a posi.
RodStRace- Number of posts : 3046
Location : Chino Valley
Registration date : 2010-01-21
Yes, the original anti-friction additive was made from stuff we are not supposed to kill anymore. The best stuff available now for posis that I know of is the GM additive.
For the rest of the fluids, you can try some or the various synthetic lubricants, but go with a brand that has been around a while and is proven. There is a reason why 'snake oil' is a term indicating a bunch of hype!
Redline, Amsoil, and Royal Purple have been around long enough to have been proven to work. There are others, I haven't used any to give you first hand results.
For the rest of the fluids, you can try some or the various synthetic lubricants, but go with a brand that has been around a while and is proven. There is a reason why 'snake oil' is a term indicating a bunch of hype!
Redline, Amsoil, and Royal Purple have been around long enough to have been proven to work. There are others, I haven't used any to give you first hand results.
Digz- Number of posts : 3794
Location : United States Six Lakes MI
Registration date : 2008-05-17
"stuff we are not supposed to kill anymore" Do you mean Whale oil ? I had a friend tell me that the other day, I had never heard of it. Going for the additive for now. I am picking up some noise in the rear end, put a stethoscope on it today and I may be changing out those pinion bearings I "thought were okay". Thanks guys, for the input.
Joe
Joe
RodStRace- Number of posts : 3046
Location : Chino Valley
Registration date : 2010-01-21
Guest- Guest
Lubrication Engineers.
These guys are NOT cheap, but their products are what Ski Areas use in the gear boxes of Chair Lifts when hundreds of lives are 'on the line' literally!
LE Automotive Products
The higher end stuff is good for three quarters of a million miles...
These guys are NOT cheap, but their products are what Ski Areas use in the gear boxes of Chair Lifts when hundreds of lives are 'on the line' literally!
LE Automotive Products
The higher end stuff is good for three quarters of a million miles...
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