Read the edit I made a few minutes later. Pre-1954 235's had Babbit-lined rods. There was never a 261 with that style of rod, since the first ones were made in 1954. Getting picky about what's on the top layer of an insert bearing just confuses anyone without a lifetime of hands-on engine building experience. No engines that I know of adjust insert rod bearing clearance with shims, which is how this fire hydrant watering discussion got started.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!