Rotella or Motocraft Synthetic Oil

[RachHandinit]

Is the rotella t6 synthetic oil better than the motorcraft synthetic? What are the pros or cons. I have been running T6 in my truck for about 30k miles.

[HarvestingInternationally]

T6 is fine I run it in my truck with archoil ar9100. So is motorcraft synth it's more of a personal preference ...search and ull find alot of articles on this topic

[CountryAggie]

I run Rotella T6 every oil change.


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[strokinpower]

Motorcraft for me non synthetic though

[hopperpa]

How about royal purple or Mobil 1? I used Royal Purple on my 5.4 Harley S/C ran good. I am a noob with diesel. Just installed a max minn and 5" exhaust. Now looking to start changing the oil and fuel filters

[Clayton1985]

I dont think anyone is going to be able to tell you which one is better, most likely no one knows. Im sure you'd be fine with either. I use T6 myself.

[Trouble maker]

I use RP in my 5-40 all year round. I can tell a difference in on cold morning starts in Canada.

[jesilvas]

PGreentSVT has a chart and knows about oil grades. Maybe see if he can give the chart?

[04hdfatboy]

I also use rotella T6 year around.