2013 Mustang 5.0 now takes 5w50. - Page 3 - Ford Mustang Forum
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Originally Posted by twistedneck View Post
What if we live in a cool climate and want extra HP and less windage? can we use a 5W-15 oil??
If you are in a cool climate run 0W-20 but 5W-15 is thinner than what Ford recommends and may cause oil consumption. Honestly you are not going to free up any significant HP by changing viscosity.

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I have a 2013 GT with the Track Pack as well, my cap says 5w-50. I think it's because of the Boss oil cooler. I can't confirm that a base GT takes the same weight though.


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With all this talk about oil viscosities. Keep this in mind. While oil thickness is an important consideration. So is using as good brand oil. And if you use the factory oil, it will do the job . All debateable. BUT , the most imporant thing to consider with oil is... TO KEEP IT CLEAN.

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Base GTs are 5w-20 capped. Looked at one a few weeks ago.
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It seems that only the track pack guys are coming with 5w-50. Interesting choice as I can only think of the oil cooler being the only component extra in the oil system as compared from a base GT.

Either way...its going to be a little tougher to find that oil...I havent seen that readily around my area at least...
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wonder if this is a mistake with oil caps from BOSS or they really do need run this type of oil. Guessing that they need run this type of oil.

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Where can one find that oil anyways ? For a decent price at least..

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I could see 5w50 being specified for the track pack due to the possibility of sustained high rpm during track sessions.

I really dont think there's much more to it than that.
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Quote:
Originally Posted by Beernuts82 View Post
I could see 5w50 being specified for the track pack due to the possibility of sustained high rpm during track sessions.

I really dont think there's much more to it than that.
Ah...I didnt think of that possibility. I would side with you on this one unless someone else has some amazing revelation.
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According to the Ford shop manuals, all new 5.0's of all years are specified to use 5w-20 synthetic blend or full synthetic oil. The only exception I can find are the Boss 302's, they are specified to use 5w-50 full synthetic oil.
I can find no reference to track pack in any year shop manual with regards to special oil requirements.
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Quote:
Originally Posted by RockStarKick View Post
I have a 2013 GT with the Track Pack as well, my cap says 5w-50. I think it's because of the Boss oil cooler. I can't confirm that a base GT takes the same weight though.
What does your owners manual say?
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What does your owners manual say?

Cars at home in the garage, I will look when I get back. I will take a pic of my oil cap if that will help..

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Owners manual states the same info I posted above.

Owners manuals can be downloaded here: http://www.motorcraftservice.com/vdi...&menuIndex1=16
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Quote:
Originally Posted by bigb427 View Post
Owners manual states the same info I posted above.

Owners manuals can be downloaded here: http://www.motorcraftservice.com/vdi...&menuIndex1=16

This it true, my manual says 5w-20, but my oil cap says 5w-50... WTF...


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