Jul 8, 2003 #3 Ken Gone but not forgotten Joined Jan 30, 2001 Messages 8,236 Location Hermosa Beach, CA Corvette 1987 Z51 Silver Coupe According to the C4 Specs book, the '93 left the factory with R-12; 1994 started using the R-134A.
Jul 10, 2003 #5 94conv. Well-known member Joined Jun 16, 2003 Messages 446 Location Indiana Corvette 1994 red convertible My 94 has 134a
