diff oil brand?

[MrTruckDriver]

I have a 2009 Sierra 4x4 1500. I just had the differential gears changed from 342 to 410s. after brake in I plan to change out the oil. i bought some house brand synthetic 75 90 I'll prob take back. just google searching it looks like amsoil and royle purple are the top 2.

I know I'll use synthetic in the back but the manual calls for 80 90 in the front and im not sure if i should go ahead and use synthetic in both axles.

the hardest work the truck will do is pull a 5000lb travel trailer in hilly areas.

the truck has open diffs so I'm probably overthinking this.
thanks for any opinions on the matter.

 

[gathermewool]

Motul, Amsoil and redline are the top three

 

[RooflessVW]

I lean Valvoline.

I don't think you'll notice a difference unless you really abuse the car - launches, racing, etc.

House brand 75W-90 will get it done front & rear.

 

[OilReport99]

I lean Valvoline.

Like

 

[tyman]

I put Amsoil in mine only because I had a free preferred customer trial period at the time and got a decent price on it. Not sure what I'll use next honestly. But I have a way to go, I only have about 8k miles on it.

 

[Krieg]

Amsoil Severe Gear Oil. 2 day shipping from Pablo. I've been using the Gear oil for years and very satisfied. Just my humble opinion.

 

[kstanf150]

I have a 2009 Sierra 4x4 1500. I just had the differential gears changed from 342 to 410s. after brake in I plan to change out the oil. i bought some house brand synthetic 75 90 I'll prob take back. just google searching it looks like amsoil and royle purple are the top 2.

I know I'll use synthetic in the back but the manual calls for 80 90 in the front and im not sure if i should go ahead and use synthetic in both axles.

the hardest work the truck will do is pull a 5000lb travel trailer in hilly areas.

the truck has open diffs so I'm probably overthinking this.
thanks for any opinions on the matter.

Don’t use RP !!!

 

[MrTruckDriver]

thanks everyone. i only have 2 qts of the house brand so i may just use it in the front. not attached to any brand but what's wrong with RP?

 

[kstanf150]

thanks everyone. i only have 2 qts of the house brand so i may just use it in the front. not attached to any brand but what's wrong with RP?

Do some research and you’ll see
Guys with hipo cars don’t use it
To many broken rear gears.....you can run Amsoil or Redline for the same money and run with no problems

 

[kstanf150]

I’m running Redline in my F250
Noticeable difference over Mobil 1 that I drained out

 

[AutoMechanic]

I prefer Pennzoil for my gear oil . Or Valvoline.

 

[MrTruckDriver]

that's good enough for me. i might look up rp for entertainment reasons but i know i can order amsoil for a reasonable price.

 

[kstanf150]

I prefer Pennzoil for my gear oil . Or Valvoline.

Pennzoil Gear Oil is hard to find where I live

 

[AutoMechanic]

Pennzoil Gear Oil is hard to find where I live

Yeah the only place that sells it here is Ace Hardware.

 

[kstanf150]

that's good enough for me. i might look up rp for entertainment reasons but i know i can order amsoil for a reasonable price.

Try Redline
You’ll like it !!

 

[incognito_2u]

Always wanted to run boutique fluid in the Jeep’s diff’s but have, since day 1 been running Valvoline Synthetic 75W140..........

 

[nwjones18]

I have supertech synthetic 75w-90 in my stuff.

 

[kstanf150]

I’ve run lots of off the store shelf stuff through the years
But Redline is different
Gear oil is a long term lube
Not a major cost over time

 

[gman2304]

I’ve been using Mobil Delvac1 in my Chevy Avalanche with a G80 locker for a couple of years. No LS additive and quiet as a mouse.

 

[slacktide_bitog]

Walmart brand ST 75w90 synthetic is a good synthetic at a great price