Quote:
Originally Posted by geezer#99
It could be!
You need 10 psi per 1000 rpm.
Is it a real mechanical pressure gauge or a factory one?
Does it make any strange noises at idle?
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I'd sure be nervous at anything under 10#. Maybe pull a valve cover and see if you're oiling up top at idle. If not, your guy may have left out the oil galley plug under the rear main bearing. They usually pop them out of the block is media blasted instead of hot tanked. Some guys forget to put them back in.