New truck help me choose oil and how often to change.

Also catch can. I can tell you I have one on the Caprice, WS6 and Malibu. They rarely collect much and so I was not a big believer. It works on the truck!
They did not fix the issue as they advertised when they came out in 2020. Put a Mishimoto on mine and in was full before 5k miles.

I did not know they put the 10 speed with the L8T?
 
2024 is the first year for the 10 speed. It shares some stuff with the diesel 10 speed. It would see some of the trucks received a bad batch of valve bodies. I do not believe my build date was affected. It is really nice when towing. I find it to always be in the proper gear.
 
I have also put my personal touches to it like my old half ton. If you see this in a parking lot you know I'm there. My windows decals and bowties because, MURICA! Toneau cover. Only other thing I might add is tembrens in case I do tow or haul heavy in the future and led headlight bulbs. Hearing good things about diode dynamics. Not sure about what bulbs yet. My halogens are yellowish. Thanks chevy...

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Burbguy82 if it's using oil I can't tell it. My half ton used some so I am watching the new one closely. I think I am going to add a catch can though.
Some do. Mine has not used a drop. That is to say in the last 2000 miles I have not had to add any.
 
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