What oil do I need to put in my rear end diff? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Pollock · 04-22-2011, 01:59 PM

And does it hold one quart like everyone has said.

DieselDork · 04-22-2011, 02:28 PM

I used Royal Purple 75w-90 in mine. Yes, 1QT filled it up.

Nomad · 04-22-2011, 02:38 PM

You need to use a 75w-90 gear oil. If it doesn't come with it, you need to add a limited slip differential additive. I believe Royal Purple already has the additive. I used Mobil 1 75w-90 LS which already has the additive in it (the "LS" stands for "Limited Slip").

Pollock · 04-22-2011, 02:59 PM

Should I change it after the first 1000 miles or so? I bet it is full of metal shavings already.

Edit: Looks like a pain to get to now with the flowmaster cat back system installed.

IROCanSS · 04-22-2011, 03:05 PM

Quote:

Originally Posted by Pollock

Should I change it after the first 1000 miles or so? I bet it is full of metal shavings already.

Edit: Looks like a pain to get to now with the flowmaster cat back system installed.

Mine has been changed several times... dont ask... I use Mobil 1 LS. You can add the additive if you want. Read the label on the bottle it says that for "extreme performance cars" to add the additive... just depends on if you feel your driving is "extreme"

I also changed my tranny to Mobil 1 ATF... WOW major imporvement.

Rich1 · 04-22-2011, 03:06 PM

Quote:

Originally Posted by DieselDork

I used Royal Purple 75w-90 in mine. Yes, 1QT filled it up.

I purchased Royal Purple also. I will be changing mine in the near future. I have almost 10K miles on mine. A lot of guys were changing it after a few thousand miles.

Pollock · 04-22-2011, 03:22 PM

Quote:

Originally Posted by jrhaus76

I also changed my tranny to Mobil 1 ATF... WOW major imporvement.

Did it shift smoother or something?

DieselDork · 04-22-2011, 03:50 PM

Quote:

Originally Posted by Rich1

A lot of guys were changing it after a few thousand miles.

I changed it at like 7k miles. In all honesty I probably wouldn't have done it had I not had the extra quart left over from recently changing the Dana 80 in the rear of my diesel (like 7 qts!!!).

Blueovalman · 04-23-2011, 03:15 AM

Mobil 1 synthetic 75W90
Mobil 1 synthetic ATF

Don't forget that Mobil 1 is endorsed ang highly recommend by GM engineering
for a number of reasons.Mobil 1 is a excellent quality synthetic to use.

Iron Lung Jimmy · 04-25-2011, 10:45 PM

I used Mobil 1 LS and, even though "LS" is supposed to mean limited slip, it chattered pretty badly. Changed to regular Mobil 1 and a bottle of the GM additive and all is well.

camarobrah · 04-27-2011, 05:44 PM

Owners manual is full of all fluid info.

04-22-2011, 01:59 PM	#1
Pollock LT4 M6 Drives: 2018 ZL1 1LE Join Date: Nov 2010 Location: Bloomington, IN Posts: 1,249	What oil do I need to put in my rear end diff? And does it hold one quart like everyone has said.

04-22-2011, 02:38 PM	#3
Nomad Drives: '11 2SS/RS RJT M6 Join Date: Oct 2010 Location: Grounded in the 'Shwa Posts: 478 View My Garage	You need to use a 75w-90 gear oil. If it doesn't come with it, you need to add a limited slip differential additive. I believe Royal Purple already has the additive. I used Mobil 1 75w-90 LS which already has the additive in it (the "LS" stands for "Limited Slip"). __________________ Vararam CAI, Elite Engineering Catch Can, Separate Clutch Fluid Reservoir, Ghost Armor Full Protection Package, Chromed Turn Signal Bulbs, RPI Stealth Splash Guards, Skip Shift Eliminator, Defenderworx Chrome Bowtie Inserts, Pfadt Trailing Arms, Camaro Decal Store CGM Hood Spears with "376ci" custom text, Billet Depot/Drake Underhood Polished Caps, CGM Lug Nut Decals, Pedders Front Radius Rod Inserts, JacFab Front License Plate Bracket

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04-22-2011, 02:28 PM	#2
DieselDork Drives: 2010 RS/SS Join Date: Mar 2011 Location: Nashville, TN Y'all Posts: 46	I used Royal Purple 75w-90 in mine. Yes, 1QT filled it up.

04-22-2011, 02:59 PM	#4
Pollock LT4 M6 Drives: 2018 ZL1 1LE Join Date: Nov 2010 Location: Bloomington, IN Posts: 1,249	Should I change it after the first 1000 miles or so? I bet it is full of metal shavings already. Edit: Looks like a pain to get to now with the flowmaster cat back system installed.

04-23-2011, 03:15 AM	#9
Blueovalman Drives: 2012 V6 Camaro 2010 Camaro SS Join Date: Jun 2010 Location: Tampa,Florida Posts: 601	Mobil 1 synthetic 75W90 Mobil 1 synthetic ATF Don't forget that Mobil 1 is endorsed ang highly recommend by GM engineering for a number of reasons.Mobil 1 is a excellent quality synthetic to use.

04-25-2011, 10:45 PM	#10
Iron Lung Jimmy Drives: Iron Lung, Jimmy Join Date: Jun 2009 Location: Louisiana Posts: 1,577	I used Mobil 1 LS and, even though "LS" is supposed to mean limited slip, it chattered pretty badly. Changed to regular Mobil 1 and a bottle of the GM additive and all is well.

04-27-2011, 05:44 PM	#11
camarobrah Drives: camaro Join Date: Apr 2011 Location: Texas Posts: 39	Owners manual is full of all fluid info.