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Old 06-01-2014, 10:09 PM   #1
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Question Oil Weight

Did Ford start using 5w-20 in 01 or 99? Should I use 5w-30 in my 2000?
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Old 06-01-2014, 10:48 PM   #2
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This is long debated and you can find numerous posts and debated on Internet forums about this.

From what I know Ford used 5w20 to meet fuel economy regs. My 04 Mach 1 calls for 5w20, I use 5w30.

End of the day I think you should use what your comfortable with and as long as you keep up with routine oil changes you'll be OK

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Old 06-01-2014, 11:47 PM   #3
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Alright, thanks. My Oil Cap says 5w-20 but I had a feeling previous owner put a different cap, lol. Going to use 5w-30.
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Old 06-02-2014, 08:03 AM   #4
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I've used 5w-20 on my modulars for years. If you run 5w-30 its not going to hurt it though. Honestly I don't know why ppl even have an issue with this but it is what it is. I get a 5 qt jug of full synthetic Super Tech 5w-20 at wal mart for $17.99, another quart for $3.99 and then a WIX filter at Napa for $5.

I honestly think people get way too bent out of shape with oil to the point of spending $10/qt on the uber high end stuff and "magical teats of jesus" filters. Even the cheapest autozone conventional oil has to meet certain standards and as long as you don't run an orange fram death can you will be fine if you keep up on maintenance and don't go too long between intervals depending on whether you are running conventional or syn.
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