Need thicker oil?

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Jul 26, 2018 | 03:01 PM

#11

mcioci

Senior Member

Joined: Aug 2010

Posts: 781

Quote:

Originally Posted by mulepic

Just got back from a 2700 mile towing trip w/ amsoil 10w-40 and filter. The pressure did increase a little. Just enough for me not to worry about it much. It would hold at 30 and stay slightly above 10 when stopped. I don't know if this had anything to do w/ it being amsoil or the weight of the oil. So the next oil change I'll go back to mobile 1 but use 10w-40.

my oil pressure is fine on my 08 but tried Royal Purple and now my engine is a little noisier than before when I used Mobile 1 religiously. Going back to Mobile 1 next time. My 05 I use a blend of synthetic and conventional castro oil It is just a tad below 40 at idle. While driving in summer for trips of over an 1-1.5 hrs it will drop down to 30 at idle.

Jul 28, 2018 | 09:44 AM

#12

LoJac963

Senior Member

Joined: Jul 2011

Posts: 2,357

From: Surprise, AZ

I have always used Mobil1 in all my vehicles here in AZ where it is hot as the surface of the sun. My H2 has never had an issue, nor did I think to ever run thicker oil.