Bret,
You are correct. I did not express what I was thinking FULLY. I blame that on a cracked
screen that was replaced(I could only see half my screen) earlier today. 40psi COLD is acceptable; however, in my experience even that seems a little low considering my 400 NORMALLY produced 50-60 psi of oil pressure @ idle when cold. Warm idle oil pressure was 20-25psi using 10W40 and Wix oil filters. My clearances were .002 on both the mains and rods.
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“It takes considerable knowledge just to realize the extent of your own ignorance.”
Dr. Thomas Sowell
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