Rear differential cover aftmkt ? - Chevy and GMC Duramax Diesel Forum
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post #1 of 25 (permalink) Old 01-27-2020, 06:15 PM Thread Starter
 
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Rear differential cover aftmkt ?

Evening everyone, I have 07 LBZ CC LB 177800 miles. I’m about to change fluid again and
I only tow a couple times a year, is it necessary to change to aftermarket diff cover? Any benefits to more fluid if not towing much ?
Thanks
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post #2 of 25 (permalink) Old 01-27-2020, 06:57 PM
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Stock is fine. Use the drain plug on the bottom, refill with 3.5qts syn 75w-90.

There's a recent thread discussing testing that shows how some aftermarket covers do more bad than good, with how the fluid moves.

There isn't a heat problem on the stock diff, no gains with the 'finned' cover$.

2007 LBZ 3500 LT3 DRW Crew Cab, Sulastics, Putnam XDR 15K, B&W 30K-Turnover GN+Companion, Ride-Rite Air...EFI'd by Rob
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post #3 of 25 (permalink) Old 01-27-2020, 09:00 PM Thread Starter
 
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Thanks, Hook’em Horns! I appreciate it. Do you know heading on that thread?
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post #4 of 25 (permalink) Old 01-27-2020, 09:22 PM
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I think it was a Bank's thing....vids on whoToob.
Turbulence created by the inner side kept the fluid from vital parts, IIRC.

But the temps there when towing heavy, don't need a fix.
It ain't a Goat.
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2007 LBZ 3500 LT3 DRW Crew Cab, Sulastics, Putnam XDR 15K, B&W 30K-Turnover GN+Companion, Ride-Rite Air...EFI'd by Rob
2008 LMM 3500WT DRW Crew Cab, 8 'Flat/GN, Workforce Alum Toolbox, Ride-Rite Air

Use-ta Haves 2006-6.0 3500 WT DRW ExCab Flatbed, 2005-LLY 3500 LS DRW Crew Cab, 2002-LB7 3500 LS DRW Crew Cab
I Live my life in such a way that when my feet hit the floor in the morning...Satan shudders & says "Oh shit, he's awake!"

Last edited by Hook'em_Horns!; 01-27-2020 at 09:24 PM.
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post #5 of 25 (permalink) Old 01-27-2020, 09:27 PM
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This 1st in a series.

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post #6 of 25 (permalink) Old 01-27-2020, 10:29 PM
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Aftermarket differential covers are a want not a need.
This is what I went with, something I wanted but really didnít need.
Itís really not that noticeable unless your under the rear of the truck, then I notice that it does look kool.
Holds about 4.75 quarts 75W90 Mobile 1 synthetic.
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post #7 of 25 (permalink) Old 01-27-2020, 10:41 PM
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Banks did those videos to discredit others and build his up in my opinion. But like everyone stated its a want not a need. Mine had a slight leak and i got a deal on a mag hytech from a member here so i swapped it out on my lml. Same thing on the race truck. The lly will get one cause its is U-G-L-Y

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post #8 of 25 (permalink) Old 01-28-2020, 03:45 AM
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Quote:
Banks did those videos to discredit others and build his up in my opinion.
As with all of their products.

2007 LBZ 3500 LT3 DRW Crew Cab, Sulastics, Putnam XDR 15K, B&W 30K-Turnover GN+Companion, Ride-Rite Air...EFI'd by Rob
2008 LMM 3500WT DRW Crew Cab, 8 'Flat/GN, Workforce Alum Toolbox, Ride-Rite Air

Use-ta Haves 2006-6.0 3500 WT DRW ExCab Flatbed, 2005-LLY 3500 LS DRW Crew Cab, 2002-LB7 3500 LS DRW Crew Cab
I Live my life in such a way that when my feet hit the floor in the morning...Satan shudders & says "Oh shit, he's awake!"
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post #9 of 25 (permalink) Old 01-28-2020, 05:59 AM Thread Starter
 
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Thanks for the info. I know about those “wants” , I have lots of those. But certain things should be an improvement, I think it’s crazy to ratchet strap spare tire to make clearance for an aftermarket part... The Banks cover does look bad a** though!!! I noticed Mobil one syn recommendation. Amsoil any good?
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post #10 of 25 (permalink) Old 01-28-2020, 07:12 AM
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Quote:
Originally Posted by MikeyMo View Post
Thanks for the info. I know about those ďwantsĒ , I have lots of those. But certain things should be an improvement, I think itís crazy to ratchet strap spare tire to make clearance for an aftermarket part... The Banks cover does look bad a** though!!! I noticed Mobil one syn recommendation. Amsoil any good?
Amsoil is a waste of money, Mobil 1 synthetic works great.

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With some stuff.
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