The 292 rod does not use a floating pin with locking clips, it is a press fit rod as are all of the 194-292 connecting rods, and is actually the rod that is used in the Cadillac 261 article. The Cadillac 261 mods are being featured in the last section of the Stovebolt Performance book.
You may be thinking of the GMC rod swap for the Stovebolt that does require a piston with circlips or spirolocs as those rods are floating and uses that form of piston design.