patateB-5
Supporting Member
Would Rotella T4 or T6 work okay on my 2006 Yukon XL Denali? I've used them on all my 5.7L Suburbans. 1998, 1999, another 1999, 1996. Any help appreciated. 
Thanks Philippe
Thanks Philippe
Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.
I use Mobil 1 and see Amsoil recommended all the time.
RaiderRodney
Full Access Member
I love Amsoil but the Rotella oils are good quality oil too and for the price they're great imho.
blueinkd
Full Access Member
- Joined
- Nov 21, 2017
- Posts
- 633
- Reaction score
- 1,511
Run the best oil you want to spend money on in 5w30. Mobil1, Castrol, pezoil, royal purple, etc. I run Mobil, Castrol or penzoil full syn 5w30 and change it every 7500 miles. If you run conventional then to the 3k change intervals.
SnowDrifter
Full Access Member
- Joined
- Sep 5, 2016
- Posts
- 2,439
- Reaction score
- 2,681
I run some euro spec castrol 0w40 in all weather. From negatives, to 100's. Engine seems to like it.
Going to be getting an analysis done in the coming weeks so I can quantify it
Going to be getting an analysis done in the coming weeks so I can quantify it
Find a reasonably priced 5w-30 Dexos oil. If the label has Dexos on it, then it meets the OEM requirements. It's kind of a scam from what I've learned about oil ratings, but it DOES mean that it has met certain criteria for that motor.
Or, like stated above, go with a known premium oil and stick with that. A lot of premium oils that don't say DEXOS APPROVED, meet the criteria or exceed the criteria for a 5w-30 synthetic.
I've personally used a good off brand made for fleet use by RELADYNE and it has been stellar for MANY oil changes. Plus it's reasonably priced because the sticker doesn't have any big name on it.
Or, like stated above, go with a known premium oil and stick with that. A lot of premium oils that don't say DEXOS APPROVED, meet the criteria or exceed the criteria for a 5w-30 synthetic.
I've personally used a good off brand made for fleet use by RELADYNE and it has been stellar for MANY oil changes. Plus it's reasonably priced because the sticker doesn't have any big name on it.
Mudsport96
Full Access Member
Run a quality filter and whatever cheap oil is API certified in 5w30 and you will be fine.
Note that Blackstone Laboratories changed the oil analysis cost from $30 to $35 as of Nov. 1st.
Pay | Blackstone Laboratories
Pay for your oil samples here. No account needed! If you have an account, we will find it. And if you don't have one, we'll create one for you.
www.blackstone-labs.com
I too use Mobil 1. I’ve also used both Pennzoil and Valvoline.
BatsTDK
Full Access Member
How do you guys feel about changing oil, but not the filter? I currently have a Fram Ultra Synthetic oil filter which I’ve read is one of the best you can buy and is designed to run up to 20k before changing (not that I’d ever run it that long).
