Of the 38 drawings in the RV-3 thumb drive, 16 were revised in 1991 or later. They include all the wing and wing interface drawings and a smattering of other ones. In general, they refer to the B version of the plane.
As it is possible that your plane was under construction before '91, perhaps some of the 22 drawings that predate 1991 might not apply to your plane, too.
Dave