What oil does everyone use?

[mjhpadi]

I did get the results from my oil anaylsis...several months ago.  It was an eye opener.  Based on the anaylsis I am going to go to 5K oil changes.  Seems that the better quality of today's oil can go for more miles and longer time before needing change.  Blackstone Labs recommended extending my oil change interval because the oil was in great shape at 3K changes.

[JimiJak]

mjhpadi;

Very interesting. That's great to know.

Did you ever hear any word on whether "dirty" or "clean" looking oil is better to see during a change?

[ONLYA6]

I also use Royal Purple HPS 5w30 and I use a Motorcraft filter. I'm a big fan of high ZDDP content oil.

I use Rotella T-Syn 5w40 in my Mustang. Also high ZDDP and comes from a better base oil than most other oils.

I thought about just running the Rotella in the SHO but wasn't sure with using a 40 weight. I did use it in my Subaru and Mazdaspeed 3 so I guess I might as well. I may just use it in both on my next change.


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[SHOdded]

Shell Rotella T6 5w40 technical data sheet:
http://www.epc.shell.com/Docs/GPCDOC_X_cbe_24855_key_140002468994_3F6.pdf

Royal Purple Full Synthetic Motor Oil data sheet:
http://www.royalpurpleconsumer.com/wp-content/uploads/PS_API_MotorOIl.pdf

[thatsmrgimp2u]

Considering that when the SHO came out they recomended 20w oil, and then switched to 30w oil, would 40w be too thick? I used Rotella in my mazdaspeed3 as well. Its cost, availability, and superior performance over much more expensive oils makes it a no brainer in my book. IF we can use it that is.

[SHOdded]

Depends on the individual viscosity at the temperatures you are likely to face, along with the inclusion of additives of "old" (ZDDP) which typically are found in higher concentrations in "High Mileage" oils.

Motorcraft quick specs on Synblend and Synthetic oils:
https://www.fcsdchemicalsandlubricants.com/Main/additionalinfo/Product%20Data%20Sheet%205W30%20Premium%20Synthetic.pdf
https://www.fcsdchemicalsandlubricants.com/main/additionalinfo/Product%20Data%20Sheet%205W30%20Full%20Synthetic.pdf

Amsoil Tech Specs & MSDS:
http://www.amsoil.com/lit/databulletins/g2880.pdf
http://www.amsoil.com/msds/alm.pdf

[SwampRat]

Valvoline SynPower full synthetic 5w 20

https://valvoline.com/products/consumer-products/motor-oil/full-synthetic-motor-oil/5

I change at 5000 miles

[Joleat]

After considerable reading on a well-known oil review website, I decided to go with Pennzoil Ultra 5w30 and a Purolator filter for the last oil change. With that being said, Mobil 1 is currently on sale at my local parts store. $32.99 for a 5-quart jug and a Mobil 1 oil filter. Add another $8-$9 for the sixth quart and that price is hard to beat. When I purchased the Pennzoil for the last change, they had a $10 mail-in-rebate going on. I just received it in the mail yesterday along with a $5 off coupon for my next Pennzoil purchase. If you're willing to bounce between a couple of brands, then you can save a little coin if you shop the specials at your local parts stores. Since I'm willing to use Mobil 1 or Pennzoil Ultra, it's almost guaranteed that at least one of them will be on sale at some point during my 4-5k mile interval.

I know, I'm quoting myself, haha.

Pennzoil currently has a $10 mail-in-rebate on their website. I plan to take advantage of that by purchasing some Ultra later today. If any of you saw my recent "1-2 second knock at startup" thread, I just wanted to point out that I will be using a Motorcraft filter instead of my usual Purolator PureOne this time around. I'll update the knock thread once I've had an opportunity to change the oil.

[mjhpadi]

mjhpadi;

Very interesting. That's great to know.

Did you ever hear any word on whether "dirty" or "clean" looking oil is better to see during a change?

You know I have not heard, however, I will stay with what I was told in college in my diesel mechanic class, that oil should turn darker as it absorbs more of the gunk that is generated by the engine.  Which makes sense, if it is true that oil doesn't really lose it's lubricating properties, but the reason that it needs changed is because it gets contaminated with the stuff generated by the engine. And as it gets saturated with contaminates it loses it's ability to hold them in suspension. That being said, it seems to be consistent with what Blackstone Labs told me that today's oils are of higher quality and thus has the ability to absorb more, hence last longer.

[Brucelinc]

My oil gets very black after just 3000 miles and, like you Mark, I have always been told that is desirable and proof that contaminants are being suspended.    I use the OEM Motorcraft synthetic blend and change at 5000.  Just looking down inside the valve cover, through the oil opening, it appears to be super clean after 46,000 miles.

[IHeartGroceries]

Does the 3.5 EB use cartridge type filters? Or good ol spin on?
And does the drain plug utilize a crush type washer to seal? Or just fasten to seal, or have a gasket on the plug?

I run Rotella in my old pickup - 350ci with original flat tappets. Supposedly the zinc content is high in Rotella, simulating older motor oils. Though, I've never had an analysis performed.

Seems Shell Rotella is a popular oil among many communities and platforms.

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[Brucelinc]

Spin-on filter.     Since I only change oil in Spring and Fall, I can't remember how the plug seals.   I recall that it seems long and has a lot of threads compared to most oil drain plugs.

[mjhpadi]

I

Does the 3.5 EB use cartridge type filters? Or good ol spin on?
And does the drain plug utilize a crush type washer to seal? Or just fasten to seal, or have a gasket on the plug?

I think it has an o-ring but I can't remember exactly because I replaced mine with the Fumoto drain valve when I did my first oil change.

[/quote]
I run Rotella in my old pickup - 350ci with original flat tappets. Supposedly the zinc content is high in Rotella, simulating older motor oils. Though, I've never had an analysis performed.

Seems Shell Rotella is a popular oil among many communities and platforms.
[/quote]

Having the analysis done was the some of the best money I spent...Blackstone Labs sends you the kit to collect the oil and to mail it, and it's only 25 dollars. They are also good at answering any questions you might have when you receive the results.  Without checking I believe that Royal Purple also had high zinc levels, because it is one of the things they use as an additive.

[Joleat]

I visited three auto parts stores earlier this evening and there wasn't a bottle of 5w30 Pennzoil Ultra to be found. I ended up grabbing some Castrol Edge 5w30. I've never used it before, but I've heard it is extremely comparable to Pennzoil Ultra and Mobil 1. If I were tracking my car, I would have a little more concern. For a 5,000 mile interval, any high quality full-synthetic is more than adequate. The filter is where I think more attention is warranted. Say no to the orange can!

[DJE624]

I agree.  Today, I was thinking of just sticking with the Motorcraft filter.  I do hope I can find the Ultra though.