I think a 235 came in the 1958 trucks. Is the 327 worn out?
An LS swap can be quite costly, depending on your time and skills. In my area of SC, folks want $1000 or more for a 200K mile 5.3.
Tell us more about your driving plans and skills.

1965 Chevy C10 Shortbed 1/2-Ton Stepside
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