That's the problem, they don't have the same lug pattern. The chevy studs are on an 8" pattern I believe it is. My Studebaker is 7 1/4. Good catch though. I left that bit of info off. I'll edit my original post to clarify.
1949 Studebaker 2R16A 1961 Chevrolet Impala 1968 Chevrolet Corvette Roadster 1971 C10