Best oil?
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Joined: Aug 2013
Posts: 99
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From: Wilmington NC - North Carolina
Everyone has an opinion, here's mine 
Mine is not stock either. EPA has been reducing ZDDP levels in newer oils, so Mobil-1 5W-30 is not the same oil that existed when these cars were built. I am now running Amsoil Z-Rod oil in the car to keep the ZDDP and phosphorous additives to a level that will protect the higher loads in my valve train. I have seen several cars with worn pushrod ends and other failures that to me look to be oil related. I am trying not to join that group.
Mine is not stock either. EPA has been reducing ZDDP levels in newer oils, so Mobil-1 5W-30 is not the same oil that existed when these cars were built. I am now running Amsoil Z-Rod oil in the car to keep the ZDDP and phosphorous additives to a level that will protect the higher loads in my valve train. I have seen several cars with worn pushrod ends and other failures that to me look to be oil related. I am trying not to join that group.
