5w20 or 5w30? - Mustang Evolution

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Old 08-14-2013, 09:08 AM   #1
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5w20 or 5w30?

I have an '02 V6, and I've always changed my oil with 5w20, she has 94k miles, does anyone know if 5w30 has any advantage over 5w20 or vice-versa?
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Old 08-14-2013, 09:25 AM   #2
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5w-30 is a little bit heavier so people usually run it in hotter climates. I live in FL so I run it instead of the recommended 5w-20 and I get a little smoother ride, but really either will work it just depends on the weather I think.
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Old 08-14-2013, 09:58 AM   #3
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In Texas, 20w-50 is not unusual.
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Old 08-14-2013, 10:37 AM   #4
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I live in Louisiana, really humid and hot, you guys think 5w30 will run better for my car?
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Old 08-14-2013, 10:40 AM   #5
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That's what I run in FL so I would say it would run nicely, it definitely won't hurt because it isn't a huge change. If you don't like how it runs you can always change back, but I doubt you will. If it gets cold there it might take an extra few seconds to warm up though
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Old 08-14-2013, 10:51 AM   #6
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Quote:
Originally Posted by Dpred03 View Post
That's what I run in FL so I would say it would run nicely, it definitely won't hurt because it isn't a huge change. If you don't like how it runs you can always change back, but I doubt you will. If it gets cold there it might take an extra few seconds to warm up though
All right, I'm doing an oil change this weekend, so I'll definitely pick up some 5w30 this time!
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Old 08-14-2013, 11:03 AM   #7
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I run 05-30w year round. Super hot or cold we get it all here in Kentucky.
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Old 08-14-2013, 11:12 AM   #8
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I live in the deep south of Ms. and use 5w20. My oil always gets to the rocker arms faster on crank.
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Old 08-14-2013, 11:14 AM   #9
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Quote:
Originally Posted by bigmac3 View Post
In Texas, 20w-50 is not unusual.
For a pushrod engine maybe. I wouldn't put that in a modular engine. I'm not sure if the 02 V6's are mod motors though.
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Old 08-14-2013, 11:39 AM   #10
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Quote:
Originally Posted by Azure View Post

For a pushrod engine maybe. I wouldn't put that in a modular engine. I'm not sure if the 02 V6's are mod motors though.
02 V6's have pushrod engines.
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Old 08-14-2013, 11:45 AM   #11
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Quote:
Originally Posted by sebasflorez View Post

02 V6's have pushrod engines.
I still wouldn't veer too far from what they recommend. I'm kinda surprised Ford recommends 5W-20 for those V6's. Seems like it would be 10w-30 or something like that.
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Old 08-14-2013, 01:03 PM   #12
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Quote:
Originally Posted by Azure View Post

I still wouldn't veer too far from what they recommend. I'm kinda surprised Ford recommends 5W-20 for those V6's. Seems like it would be 10w-30 or something like that.
I've actually been looking in other forums and I found two quotes from Ford engineers:
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Old 08-14-2013, 01:04 PM   #13
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This one is better
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Old 08-14-2013, 01:07 PM   #14
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Yup, I've seen those too. I just didn't know Ford recommends 5W-20 for pushrod v6's.
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Old 08-14-2013, 01:24 PM   #15
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Quote:
Originally Posted by Azure View Post
I still wouldn't veer too far from what they recommend.
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Old 08-14-2013, 01:31 PM   #16
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Quote:
Originally Posted by Azure View Post
Yup, I've seen those too. I just didn't know Ford recommends 5W-20 for pushrod v6's.
Yeah 1999 & 2000 V6's have 5w30 recommended, they switched it in 2001 for all models.
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Old 08-14-2013, 02:09 PM   #17
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Quote:
Originally Posted by sebasflorez View Post

Yeah 1999 & 2000 V6's have 5w30 recommended, they switched it in 2001 for all models.
There ya go.
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