I have a 72 buick skylark without a chassis. What car chassis might fit mine?

Any idea of the measurments? diagrams or anything, need help finding info. I haven't been able to find one that fits. Already tried a monte carlo, regal and others.I have a 72 buick skylark without a chassis. What car chassis might fit mine?68-72 A body's. Chevelle,CutlassI have a 72 buick skylark without a chassis. What car chassis might fit mine?and 70-72 montecarlo