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Old 25 Dec 2011, 04:38 pm
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Default different oils

how many people change there oil viscosity in the winter? my parents got me 5w-20 for Christmas because that's what they thought went in. my grandfather said it would work in this cold weather since its thinner. how many people have run lower thickness for winter? i just don't want or need to screw up the engine! i'm a pt lover! not a hater.
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Old 25 Dec 2011, 06:35 pm
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Talking Re: different oils

Check the manual or even the oil filler cap. I believe they recommend the same oil year around.
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Old 25 Dec 2011, 07:54 pm
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Default Re: different oils

The recommended oil is 5w-30, the 5w means when it's cold(Winter) it has the viscosity of a 5 weight oil, and the viscosity of a 30 weight when it reaches operating temperature. It's science!

It also means that in the cold of winter, there's no difference between 5w-20 and 5w-30 when starting, just at operating temp, and 30 is the recommended viscosity for operating temp.

So 5w-30 is good for cold weather. The other way to go would be if it's really hot weather, like Phoenix or Dallas in the summer, you could run straight 30 weight oil (SAE 30), and it shouldn't adversely affect the engine.
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Last edited by Fuzzyweis; 25 Dec 2011 at 07:57 pm.
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Old 25 Dec 2011, 10:11 pm
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Default Re: different oils

Don't use 30w oil in your PT--no matter how hot it gets. That's for lawnmowers and old VW Bugs.

If you live in a hot climate, use 10w30w (during the hot months). Otherwise use 5w30w.

Tim
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Old 25 Dec 2011, 10:47 pm
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Default Re: different oils

Quote:
Originally Posted by mdfrodolives View Post
Don't use 30w oil in your PT--no matter how hot it gets. That's for lawnmowers and old VW Bugs.

If you live in a hot climate, use 10w30w (during the hot months). Otherwise use 5w30w.

Tim
+1 And it gets hot here.
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