What Engine Oil? - IMBOC
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post #1 of 8 (permalink) Old 09-08-2019, 09:19 PM Thread Starter
 
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What Engine Oil?

We live in New Zealand and SAE 5W-20 premium synthetic oil is not available here. Our climate is reasonably temperate and we certainly don't see the extremes that you do in the USA. So my question is probably for forum members outside of the USA, what oil are you running? Is anyone running Mobil1 5W-30 synthetic?

Mobil1 5W-30 meets Ford WSS-M2C946-A and WSS-M2C929-A. Our 4.6 modular engines require Ford WSS-M2C 930A (which is now superseded by specification WSS-M2C945-A).
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post #2 of 8 (permalink) Old 09-09-2019, 07:19 AM

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If you can not get 5W-20 then I would think it would be okay to use 5W-30 but I would check with you dealership first.
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post #3 of 8 (permalink) Old 09-09-2019, 12:11 PM

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While 5W-20 is the recommended oil, I think the manual (I didn't check so this is from memory) states that 5W-30 is acceptable.

Note, the oil is used to operator the cam timing so you have to stay within the acceptable range. There are some "old timers" that tried heaver oil based upon experience with older engines and found out "the hard way" that these engines do not work well with heavier oils.

But, 5W-30 is not that much of a difference and should be perfectly acceptable as long as you don't live in an extremely cold climate.
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post #4 of 8 (permalink) Old 09-09-2019, 01:44 PM
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Did you ask your local dealership? If motocraft 5-20, a synthetic blend, is available, it is the factory recommended oil.

Synthetics do flow faster than dinosaur oil, so I'd say Jack is spot on too. 5-30 should work although I run 5-20 Mobil one, so I'm just guessing here.
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post #5 of 8 (permalink) Old 09-09-2019, 11:20 PM

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I run the 5/30 Mobil 1 here in Canada and really haven't had any issues. My dealer told me that its ok but do not go any heavier hope this helps.
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post #6 of 8 (permalink) Old 09-10-2019, 01:42 AM
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Because I drive 08 BLLTT hard many days on the road courses in the SE heat, my mechanic installs B&G 5-30, since 04/14. The B&G oil has a warranty against engine failure. I am happy.
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post #7 of 8 (permalink) Old 09-18-2019, 08:50 PM Thread Starter
 
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Thanks for that. Mobil Australasia's tech centre has confirmed that Mobil 1 5W30 is a good option (meets ACEA A1/B1) and that Mobil Super 3000 X1 FE 5W30 meets Ford M2C 913 D, ACEA A1/B1 and A5/B5. I'll use the Mobil 1 5W30 that I have on hand and then use Mobil Super 3000 X1 FE 5W30 later.
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post #8 of 8 (permalink) Old 10-16-2019, 09:19 PM
 
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You will want to use 5-30. Mobil 1 is an excellent choice. Lots of people have said, including some inside of Ford, that the 5-20 was just to help with CAFE emissions standards. I use 5-30 in my 4.6 3v and am very happy.


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