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Is RL Shockproof yellow metal safe? #4717536
04/05/18 07:05 PM
04/05/18 07:05 PM
Joined: Mar 2010
Posts: 1,406
USA
SOHCman Offline OP
SOHCman  Offline OP
Joined: Mar 2010
Posts: 1,406
USA
Specifically the Shockproof heavy.

Thanks!


I urge people not to wait 100K to change out the fluid in their transfer case units. -Kestas
Re: Is RL Shockproof yellow metal safe? [Re: SOHCman] #4717688
04/05/18 08:58 PM
04/05/18 08:58 PM
Joined: Jun 2002
Posts: 19,300
Iowegia - USA
MolaKule Offline
MolaKule  Offline
Joined: Jun 2002
Posts: 19,300
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.


Reading is fundamental; understanding requires Study and an Open Mind.
Re: Is RL Shockproof yellow metal safe? [Re: SOHCman] #4717721
04/05/18 09:32 PM
04/05/18 09:32 PM
Joined: Feb 2014
Posts: 2,302
Kansan,1911 45ACP fan
Marco620 Offline
Marco620  Offline
Joined: Feb 2014
Posts: 2,302
Kansan,1911 45ACP fan
If in doubt, call Dave at Redline out.


15' Civic 189k.0w20 Redline/Archoil9200,Eibach,Tanabe&Tein Suspension/Borla Exhaust/XG7317
Right to work state proud.
Re: Is RL Shockproof yellow metal safe? [Re: MolaKule] #4718539
04/06/18 04:09 PM
04/06/18 04:09 PM
Joined: Mar 2018
Posts: 17
MW
DirtyOilGuy Offline
DirtyOilGuy  Offline
Joined: Mar 2018
Posts: 17
MW
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.

Re: Is RL Shockproof yellow metal safe? [Re: DirtyOilGuy] #4718546
04/06/18 04:20 PM
04/06/18 04:20 PM
Joined: Dec 2005
Posts: 10,011
Upper Midwest
kschachn Offline
kschachn  Offline
Joined: Dec 2005
Posts: 10,011
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.


1994 BMW 530i, 231K
1996 Honda Accord, 263K
1999 Toyota Sienna, 402K
2000 Toyota ECHO, 272K
Re: Is RL Shockproof yellow metal safe? [Re: SOHCman] #4718563
04/06/18 04:41 PM
04/06/18 04:41 PM
Joined: Mar 2018
Posts: 17
MW
DirtyOilGuy Offline
DirtyOilGuy  Offline
Joined: Mar 2018
Posts: 17
MW
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.

Last edited by huh; 04/06/18 04:41 PM.
Re: Is RL Shockproof yellow metal safe? [Re: DirtyOilGuy] #4718609
04/06/18 05:17 PM
04/06/18 05:17 PM
Joined: Jun 2002
Posts: 19,300
Iowegia - USA
MolaKule Offline
MolaKule  Offline
Joined: Jun 2002
Posts: 19,300
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?


Reading is fundamental; understanding requires Study and an Open Mind.
Re: Is RL Shockproof yellow metal safe? [Re: DirtyOilGuy] #4718813
04/06/18 07:35 PM
04/06/18 07:35 PM
Joined: Sep 2015
Posts: 2,327
Malaysia
zeng Offline
zeng  Offline
Joined: Sep 2015
Posts: 2,327
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.

Re: Is RL Shockproof yellow metal safe? [Re: MolaKule] #4719946
04/07/18 08:37 PM
04/07/18 08:37 PM
Joined: Jun 2003
Posts: 1,952
Sequim, WA
edhackett Offline
edhackett  Offline
Joined: Jun 2003
Posts: 1,952
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.
Re: Is RL Shockproof yellow metal safe? [Re: SOHCman] #4722899
04/10/18 04:36 PM
04/10/18 04:36 PM
Joined: Feb 2018
Posts: 34
Perpetual Winter USA
Smash209 Offline
Smash209  Offline
Joined: Feb 2018
Posts: 34
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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