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high oil pressure


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Guest
Anonymous Poster
jowhite38804@gmail.com

Jan 22, 2009, 2:03 PM

Post #1 of 4 (3146 views)
high oil pressure Sign In

My oil pressure has been 55 to 60 psi and 60 to 65psi at take off.It also has been taking longer to crank.The guy I bought the truck(1995 chevy 4x4 5.7 V8)from said he only used 20W50.Should I go to a lighter or synthetic oil and could that be causing my problem?


Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Jan 22, 2009, 2:42 PM

Post #2 of 4 (3141 views)
Re: high oil pressure Sign In

The oil pressure looks fine. If it is cold where you live, 20W50 is more than likely, a bit 'thick'? 10W30 is more likely what you should be using. Personally, I use 10W30 Amsoil in both of my vehicles.
Loren
SW Washington


Guest
Anonymous Poster

Jan 23, 2009, 6:22 AM

Post #3 of 4 (3137 views)
Re: high oil pressure Sign In

Thanks Laren, I changed the oil to 10W30 Mobil 1 and now the truck idles at 30 to 40 and cruises at 55 to 60, cranks better too.


Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Jan 23, 2009, 5:02 PM

Post #4 of 4 (3126 views)
Re: high oil pressure Sign In

Good job! You may even notice a small improvement in fuel economy. Have a great weekend and thankyou for the reply!
Loren
SW Washington






 
 
 






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