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I'm sorry. I'm sure this has been asked to death. I did search, really I did.
I just acquired a 97 power stroke 7.3, and was wondering what is the best oil to use. I think the previous owner said he used Delo 15w-40, but I'm not sure he was sure.
I just acquired a 97 power stroke 7.3, and was wondering what is the best oil to use. I think the previous owner said he used Delo 15w-40, but I'm not sure he was sure.
