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#4717536 - 04/05/18 07:05 PM Is RL Shockproof yellow metal safe?
SOHCman Offline


Registered: 03/29/10
Posts: 1336
Loc: USA
Specifically the Shockproof heavy.

Thanks!
_________________________
I urge people not to wait 100K to change out the fluid in their transfer case units. -Kestas

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#4717688 - 04/05/18 08:58 PM Re: Is RL Shockproof yellow metal safe? [Re: SOHCman]
MolaKule Offline


Registered: 06/05/02
Posts: 19138
Loc: Iowegia - USA
Most modern gear oils are Yellow Metal safe.

Just don't use this in a manual transmission as it's application is for racing differentials.

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#4717721 - 04/05/18 09:32 PM Re: Is RL Shockproof yellow metal safe? [Re: SOHCman]
Marco620 Offline


Registered: 02/25/14
Posts: 2221
Loc: Kansan,Heckler Koch fan
If in doubt, call Dave at Redline out.
_________________________
2015 Civic 170k mi.0w20 Redline/Archoil,HPS SRI,Yokohama/Borla Exhaust/Vibrant Resonators #1790/Tein Suspension
Go Nashville Predators!

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#4718539 - 04/06/18 04:09 PM Re: Is RL Shockproof yellow metal safe? [Re: MolaKule]
DirtyOilGuy Offline


Registered: 03/13/18
Posts: 11
Loc: OK
Originally Posted By: MolaKule
Most modern gear oils are Yellow Metal safe.

Just don't use this in a manual transmission as it's application is for racing differentials.


where are you getting your information from? because i just dumped 2 bottles of heavy shockproof + 1/2 quart of MTL into my nissan's manual transmission.

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#4718546 - 04/06/18 04:20 PM Re: Is RL Shockproof yellow metal safe? [Re: DirtyOilGuy]
kschachn Offline


Registered: 12/26/05
Posts: 9535
Loc: Upper Midwest
Originally Posted By: huh
Originally Posted By: MolaKule
Most modern gear oils are Yellow Metal safe.

Just don't use this in a manual transmission as it's application is for racing differentials.

where are you getting your information from? because i just dumped 2 bottles of heavy shockproof + 1/2 quart of MTL into my nissan's manual transmission.

Please explain why you would use a product in an application where it says not to use it.
_________________________
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#4718563 - 04/06/18 04:41 PM Re: Is RL Shockproof yellow metal safe? [Re: SOHCman]
DirtyOilGuy Offline


Registered: 03/13/18
Posts: 11
Loc: OK
mostly because i read about it here....
http://www.motoiq.com/MagazineArticles/I...f-the-Pros.aspx

i read that it takes 15 minutes to warm up, which this is in my "track" car, and not much of a daily driver, so i figured why not.

oh, and the place i was buying it from didn't have the MT-90 in stock.


Edited by huh (04/06/18 04:41 PM)

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#4718609 - 04/06/18 05:17 PM Re: Is RL Shockproof yellow metal safe? [Re: DirtyOilGuy]
MolaKule Offline


Registered: 06/05/02
Posts: 19138
Loc: Iowegia - USA
Originally Posted By: huh
Originally Posted By: MolaKule
Most modern gear oils are Yellow Metal safe.

Just don't use this in a manual transmission as it's application is for racing differentials.


where are you getting your information from? because i just dumped 2 bottles of heavy shockproof + 1/2 quart of MTL into my nissan's manual transmission.


Not a good idea. no-no

I am getting my information from 30 years of formulating lubricants, where are you getting your mis-information?

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#4718813 - 04/06/18 07:35 PM Re: Is RL Shockproof yellow metal safe? [Re: DirtyOilGuy]
zeng Offline


Registered: 09/01/15
Posts: 2200
Loc: Malaysia
Originally Posted By: huh
mostly because i read about it here....
http://www.motoiq.com/MagazineArticles/I...f-the-Pros.aspx

i read that it takes 15 minutes to warm up, which this is in my "track" car, and not much of a daily driver, so i figured why not.

oh, and the place i was buying it from didn't have the MT-90 in stock.

It should be fine , in particular in a track car.
The approach of the builder makes a lot of sense and it should help.
I would personally opt for a monograde SAE 140 or 250 in upgrading protection capacity for its predictability.

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#4719946 - 04/07/18 08:37 PM Re: Is RL Shockproof yellow metal safe? [Re: MolaKule]
edhackett Offline


Registered: 06/09/03
Posts: 1938
Loc: Sequim, WA
Originally Posted By: MolaKule
Originally Posted By: huh
Originally Posted By: MolaKule
Most modern gear oils are Yellow Metal safe.

Just don't use this in a manual transmission as it's application is for racing differentials.


where are you getting your information from? because i just dumped 2 bottles of heavy shockproof + 1/2 quart of MTL into my nissan's manual transmission.


Not a good idea. no-no

I am getting my information from 30 years of formulating lubricants, where are you getting your mis-information?


Thirty years of experience is not necessary. You can read it right off of RED LINE's web page. wink

HEAVY SHOCKPROOF®
Film thickness greater than an SAE 75W250, yet low fluid friction like 75W90
Many performance racing applications like Sprint/Midget/Dirt Late Model Differentials, Detroit Lockers and spools, NHRA Top Fuel and Funny Car rear ends
Not recommended for most synchro applications due to the product's extreme slipperiness

Ed
_________________________
Never attribute to engineers that into which politicians, lawyers, accountants, and marketeers have poked their fingers.

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#4722899 - 04/10/18 04:36 PM Re: Is RL Shockproof yellow metal safe? [Re: SOHCman]
Smash209 Offline


Registered: 02/28/18
Posts: 34
Loc: Perpetual Winter USA
But shockproof has so much calcium! How could it be bad? It's like Tums for the transmission... keeps that acid reflux at bay.

drive

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