More truck issues. Oil question.

I typicly use 10w40 on a chevy i have that leaks and it helps. Have you done a leakdown test?
No I haven't done anything. Just checked the oil today and was like damnit. Lol I'm gonna put down 40w in it with some Lucas and hope it makes it a other 6 months to a year. I'm not about to rebuild this engine when the body and frame look like this. It's been a really great truck and I really love it and don't want to see it go that's why I'm having such a hard time buying something else. But it's just economical to put money it. The frame has just as much rust as the body. The interior is falling apart it's just not worth it to fix.

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