06-01-2015, 03:26 AM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Quote:
Originally Posted by DWRAT
What do you AZ guys think?
My cars has been using 20-50 oil for at least the last 5 years that I know of.
My pressure is a bit high when cold (65-70) but once warm I get about 40 psi on idle and 60 psi over idle.
I have read a lot about not using 20-50 but maybe those guys are in Mikiec country. |
One of my cars runs about 50 psi and still spins reliably to 6800 if I want to.
It idles at 20 psi.
I run a 5w40.
It used to have more oil pressure with the thicker oil I ran 25-30 at idle, 60 at 3000, but it made less power.
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Gary
Gold Certified Holden Technician
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