On Monday I'll be picking up a new to me 2004 chevy 1500. 146k miles and has been maintained great from what I can tell. Not sure what previous owner ran in it for oil but what would you guys recommend? What weight? I would like to go 5-7500 but I know nothing about how these trucks like that distance. I'm not sure what the factory oci is for this truck. I would assume 5k or so? I live in NY so Temps in the winter can get pretty low. What do you guys recommend for oil and filter?
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