What oil/filter do you use?

I don't recommend any oil additives. Your Mobil 1 along with a quality filter, is about as good as it gets. Amsoil is about the only oil that is any better. But keep in mind Porsche uses Mobil 1 from day one in their cars. And those spin a lot faster than our SUVs. Fuel additives are controversial. You could try the Lucas fuel treatment right before you drop oil, as the stronger ones empty some of the debris into oil, or at least that's what I've been told.


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Most oil additives are basicaly nothing more than an additive package that your oil already has (not everything is "more is better") mixed with a heavier oil base that makes it appear "stickier". The problem is that the additives and cheap base oil product break down with high heat and become "gummy" which is inherently bad for engines with small oil passages, especially since most people add the crap to their oil and go WAY longer between oil changes.

Oil additives are especially bad for turbo engines, which tend to be much more abusive to oil and its additives. Big diesels (industrial and over the road like tractor trailers) don't have as small of oil passages, espcially in and around the turbo.

Turbo engines are very hard on oil. Running oil through a small engine turbo spinning at 60,000 to 100,000 rpm is the equivalent of taking a blow torch to small amounts of the oil. And this is done continuously. Most turbos are very small babbet bearings supporting a small shaft (around .25") driven by exhaust gas at ridiculous rpms. Again why I feel so strongly about my positive experiences with T6 after abusing the living hell out of my turbo Subaru wagon.


Excellent read about oil additives and an independent paboratory test of them:

http://cdn2.hubspot.net/hub/68152/f...bell_performance_xtra_lube_four_ball_0709.pdf

An oil cooler is always a good idea. That's why a lot of our vehicles with tow package have them. especially on vehicles that lead a hard life. Race cars come to mind. These SUVs have a tough enough time keeping parts oiled, especially with plastic chain guides breaking down clogging the screen on oil pump. Clean fluid is the way to go. Leave the additives to some poor slob that doesn't know better. Our members are an educated group, that's getting more knowledgeable all the time.


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Hit 100k!!! Oh boy!!


Finally got to my 5k mile interval on my Rotella T6 oil experiment. Going to pull a sample, pack it up to ship to Blackstone and change the oil. So far the oil has darkened quite a bit, which is to be expected but I haven't lost any.

I did the first oil change after swapping to T6 at 550 miles and the oil was BLACK! To be expected with the amount of detergent in the better quality oil. This oil was dark, but no where close to as dirty. My expectation is that the oil will come back well within spec (even at 5k miles) and I expect to be able to run the oil up to 10k miles. We'll see if I am right in a week or so.

USMCBuckWild said:

Hit 100k!!! Oh boy!!


Finally got to my 5k mile interval on my Rotella T6 oil experiment. Going to pull a sample, pack it up to ship to Blackstone and change the oil. So far the oil has darkened quite a bit, which is to be expected but I haven't lost any.

I did the first oil change after swapping to T6 at 550 miles and the oil was BLACK! To be expected with the amount of detergent in the better quality oil. This oil was dark, but no where close to as dirty. My expectation is that the oil will come back well within spec (even at 5k miles) and I expect to be able to run the oil up to 10k miles. We'll see if I am right in a week or so.

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Were you right?

08T1 said:

Fran has a glued bottom to the media filter. Several have been cut open through the years. The quality of Fram was lacking compared to other brands.

The weight of a filter has nothing to do with quality. Most of the weight attributes to the case thickness and over all size.

Pick an oil based off of your knowledge and personal experience.

I showed that Dino oil has kept my truck alive for 370K miles.

I have run Dello 400 in my 99 PSD. I sold it with 325xxx miles. Current owner has 550xxx miles on it currently.

My father in law had a 96 PSD with 700xxx miles when he gave it to his daughter. Dello400

Take care of your vehicle and it will take care of you.

CJ

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PSD is?? Powerstroke Diesel?

PSD is powerstroke diesel.

Always been a motorcraft oil and filter guy. Last time around took it to my Ford dealership and they stuck in some "DuraMAX" full synthetic oil, without even asking me. Kinda hacked me off. May take my business elsewhere next time.

Mobile 1 synthetic and Fram top filter which is an Extended guard filter. I use 5W30 in my Expedition and 0W30 in my wife's Trailblazer. Change it every 10 roughly. Have never had one issue.

Alot of people will knock Fram and Mobile 1, I have heard stories of people having issues with either one, but have never seen any concrete evidence from anyone ever.

Anyone who changes their oil every 3k is a moron!! Look at the owners manual, the manufacturer knows better than anyone when to change it. The Stealership, and oil change places lie to you...

I use Mobile 1 extended good for up to 15k. As I didn't state that in my last post.