Quote:
Originally Posted by ItsGary
Yah, I asked him if its fine to use on a stock block. He said yes, and I should use 5w50 also. I told him I use LM10w60 and he said its the worst oil for cold starts. I picked up the thermostat myself from RockAuto. Its sitting on my printer in my computer room.
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10w60 in general is the worst for cold start because it doesn’t flow on cold startup so you rod bearing lubrication is relying on the oil film at the bearing shell.
I’m running amsoil 5w50, Troy will suggest it and I believe JColley will agree that you are not giving up any sort of protection with the 5w50 oil.