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Oil pressure is higher after oil change

So Redline 5w30 viscosity when hot is 11.9 cSt. Mobil 1 5w30 is 10.2cSt. This means Redline is well above average in terms of 5w30 thickness, and Mobil 1 is

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Old 04-14-2022, 08:33 AM   #1 (permalink)
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Default Oil pressure is higher after oil change

So Redline 5w30 viscosity when hot is 11.9 cSt. Mobil 1 5w30 is 10.2cSt. This means Redline is well above average in terms of 5w30 thickness, and Mobil 1 is below average.
Source: http://www.pqiamerica.com/viscosity.htm

Now that I think about it, I wonder if I had my AC on as well which would’ve bumped up my idle a bit and thus the pressure

Between Redline being thicker and my AC possibly being on, I think I just answered my own question and there’s no need to worry.


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Old 04-14-2022, 02:06 PM   #2 (permalink)
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Originally Posted by Averying View Post
So Redline 5w30 viscosity when hot is 11.9 cSt. Mobil 1 5w30 is 10.2cSt. This means Redline is well above average in terms of 5w30 thickness, and Mobil 1 is below average.
Source: http://www.pqiamerica.com/viscosity.htm

Now that I think about it, I wonder if I had my AC on as well which would’ve bumped up my idle a bit and thus the pressure

Between Redline being thicker and my AC possibly being on, I think I just answered my own question and there’s no need to worry.


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Well your idle with the AC on should be a bout the same with just about a 4-6% increase in load. On the contrary having the AC on will lower coolant temperatures a bit so this will affect the oil cooler as well since the fans are running constantly.

Though the filter shouldnt be so much of a difference you'd have to revert to the stock filter and compare the data to conclude that it's the oil.

Either way I've heard nothing but greatness coming from redline.
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