View single post by scottsmi
 Posted: 07-07-2016 02:24 am
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Joined: 10-18-2011
Posts: 35
I have a freshly rebuilt 1973 mark 1 and upon starting it for the first time it has oil pressure at 100 pounds. I checked the pressure with an oil pressure tester and it is really at 100 pounds. I removed the oil pump to inspect the relief valve and it does move but I cant tell if it is really working. Do these things go bad or does anybody have any other ideas? I use 20/50 oil per the specs.