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Recommendations on Oil for 09 370z

What’s up guys! I have a 370z with 170,000 miles now. It’s been driving rough and most of the time I drive on the freeway. I’ve been putting 5w-30 still

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Old 09-10-2018, 10:27 PM   #1 (permalink)
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Default Recommendations on Oil for 09 370z

What’s up guys! I have a 370z with 170,000 miles now. It’s been driving rough and most of the time I drive on the freeway. I’ve been putting 5w-30 still and am starting to think it needs something thicker. I also have an oil cooler installed, what do you guys (and girls) think? Thank you
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Old 09-10-2018, 10:40 PM   #2 (permalink)
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I have a 370z with 170,000 miles now. It’s been driving rough ... starting to think it needs something thicker.
You're probably going to want to be a little more descriptive on what "rough" means and why you think it needs something thicker.

You're also probably going to get flamed to hell for starting a thread with that title.
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Old 09-10-2018, 10:41 PM   #3 (permalink)
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Originally Posted by King_Ch1cas View Post
What’s up guys! I have a 370z with 170,000 miles now. It’s been driving rough and most of the time I drive on the freeway. I’ve been putting 5w-30 still and am starting to think it needs something thicker. I also have an oil cooler installed, what do you guys (and girls) think? Thank you
Ooh another oil thread!



In all seriousness, what is making you lean toward something thicker?
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Old 09-10-2018, 11:04 PM   #4 (permalink)
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If the engine has been properly maintained, you shouldn't need a different viscosity oil. A UOA and oil pressure check will give you a pretty good idea of the engine's condition.
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Old 09-11-2018, 12:59 AM   #5 (permalink)
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This.....

unless you have engine problems, then you'll probably need more than just different viscosity oil.

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If the engine has been properly maintained, you shouldn't need a different viscosity oil.
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Old 09-11-2018, 01:05 AM   #6 (permalink)
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IBTL. We all know where this will go.

The entire engine needs oil.

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Old 09-11-2018, 01:13 AM   #7 (permalink)
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Old 09-11-2018, 02:33 AM   #8 (permalink)
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Amsoil
I 2nd amsoil signature series 5w-30. Otherwise there are other good full synthetic group IV or V. I wouldn’t jump viscosity just because mileage.
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Old 09-11-2018, 08:28 AM   #9 (permalink)
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Some extra virgin olive oil mix with a bit of white wine vinegar season to taste with kosher salt and freshly ground black pepper.

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