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So You've Decided on Mobil 1 Oil... Sure, But Which One?

HenryMac

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Engmus

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My previous vehicle before my ranger was 14 Focus ST, with the 2.0 Ecoboost. I ran M1 5w30 EP since new at 14 miles, until I sold it at 109k miles.

The underside of the valve cover and the top of the valve train was spotless, no oil leaks, no issue, no burning of anything. Also ran a catch-can on that as well.

I'll be sticking to the same on the Ranger, M1-EP 5w30, 5k mile drain intervals with an oversized filter, catch can installed since 1k miles. At 50 or 75k i'll toss in a bottle of Amsoil Engine Flush at the end of an oil change at that time, follow the directions on the bottle and then keep on going.

Really any modern synthetic that meets Ford's oil specs will be fine as long as you control the oil change interval, and make sure you have proper air filtration, IMHO.
 

Knothead

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I wonder if it still holds true that if an engine will use oil, it will do it with Mobil 1.

It has been 10 years. But this is something I saw in my 1999 5.2 liter Dakota. It used oil with Mobil 1 but this oil usage stopped when I switched to Amsoil. I was doing 5,000 mile oil changes with Mobil 1 and was doing 15,000 oil changes with Amsoil. Being a Dodge, everything about the truck was falling apart when I gladly got rid of it at 170,000 miles. Except the engine, no oil leaks and it ran like a top.
 

Engmus

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A lower NOACK is definitely appealing to me, I don't see EP in that list, and with a GDI engine the lower the NOACK the better.

I think my problem with AP vs EP is the cost. I can get the EP at my local Wally world for like 25 on sale, plus filter. AP is like double that cost, I guess if the TBN and such is abit stouter you could push the OCI out to 7500 miles, but i'd want to do oil sampling to confirm any of that.

Everything has to be complicated, even motor oil. lol
 


Lunchbox88

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Where are you pulling the numbers from? Just curious to check out the numbers on some other oils for curiosity sake.
 

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Frenchy

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With my 2016 Frontier I had I used just the regular Mobile 1 oil. I had close to 75,000 miles on it and it did just fine. On my 1983 280ZX I have learned it prefers the Mobile 1 high mileage. I also found out at random chance that it will slow down a leak while still giving the full benefits of full synthetic. And no I didn't go crazy with a 10-40 or anything. Just what the vehicle calls for.
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