I just acquired a really sweet '87 D100 small block with inopearable AC and would like to make it work. Just curious, why take it out? Is it too expensive to make the system work with modern refrigerants?

1986 Dodge Ramcharger 440 2wd, Bracket Racer Under Construction
1998 Ram 2500 QuadCab, new daily driver.
2008 Honda Element
2014 Carry-On 7x14 Cargo Trailer