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#4704125 - 03/23/18 10:47 AM 75w90 Redline - 6+ years old ?
Ndx Offline


Registered: 04/04/08
Posts: 1830
Loc: IL
Hi Guys,

I have some stock of Redline 75W90 that is 6+ years old ...
Is this still good to use, I'm planning to run it in my Cayenne front and rear diff.

( I been getting around to do the change for a while now lol .. 5 years haha )

Castrol site says to use - Syntrax Long Life 75W-90 I'm sure I can find it somewhere too

Factory calls for Burmah SAF AG4 ( Castrol ) ( I have some OEM fluid as old .. but I think Redline might be a good fit )

Thx


Edited by Ndx (03/23/18 10:53 AM)

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#4704128 - 03/23/18 10:49 AM Re: 75w90 Redline - 6+ years old ? [Re: Ndx]
SteveSRT8 Offline


Registered: 10/10/08
Posts: 19004
Loc: Sunny Florida
I sure hope so. I just filled my GMC van with Amsoil that was much older than that!
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#4704142 - 03/23/18 11:06 AM Re: 75w90 Redline - 6+ years old ? [Re: Ndx]
john_pifer Online   content


Registered: 07/08/12
Posts: 2032
Loc: Nashville, TN via Memphis
Just shake the bottle well.
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#4704144 - 03/23/18 11:09 AM Re: 75w90 Redline - 6+ years old ? [Re: Ndx]
BrocLuno Offline


Registered: 09/06/15
Posts: 5625
Loc: Kalifornia Kollective
It's fine smile
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#4704158 - 03/23/18 11:37 AM Re: 75w90 Redline - 6+ years old ? [Re: Ndx]
Blkstanger Offline


Registered: 08/13/11
Posts: 1975
Loc: Lakeside, CA
I'd run it.
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#4704209 - 03/23/18 12:44 PM Re: 75w90 Redline - 6+ years old ? [Re: Ndx]
OneEyeJack Offline


Registered: 09/14/10
Posts: 7485
Loc: S California
You can call Red Line and speak to Dave the tech guy there about your Red Line oil.

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#4704223 - 03/23/18 01:01 PM Re: 75w90 Redline - 6+ years old ? [Re: Ndx]
benjy Offline


Registered: 08/23/10
Posts: 909
Loc: pa
i am in the same boat! i store my oils in the hose but have some MT-90 + MT lite in the garage for a while. i guess viscosity improvers are active during temperature changes but with the small spread + fact RedLine is true synthetic little if any are used!

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#4704226 - 03/23/18 01:05 PM Re: 75w90 Redline - 6+ years old ? [Re: Ndx]
MolaKule Offline


Registered: 06/05/02
Posts: 19138
Loc: Iowegia - USA
I have never seen any additive precipitation in Redline products, but it is always a good idea to warm up any lubricant and shake it before adding, especially after having been in storage.


Edited by MolaKule (03/23/18 01:10 PM)

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#4704360 - 03/23/18 03:42 PM Re: 75w90 Redline - 6+ years old ? [Re: MolaKule]
Reddy45 Offline


Registered: 08/15/08
Posts: 3034
Loc: USA
Originally Posted By: MolaKule
I have never seen any additive precipitation in Redline products, but it is always a good idea to warm up any lubricant and shake it before adding, especially after having been in storage.


So you're saying to take a bath with it right? Seems like a good way to warm the bottles up and shake 'em up. banana

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