69 rear drum question

I don't seldom if ever just go by the numbers myself i also go by eyes on documentation and thousands of hours of research including documenting survivor cars with low miles some parked with 20 thousand miles or less on them. I worked in a Chrysler garage starting in 73 and we changed drums on cars that had sometimes 15 to 20 thousand miles on them especially performance cars from people riding the brakes and they could have been changed sooner than that from overheating and cracking! Never say never with Mopar either and who is to say they where not used experimental on LATE built 69's or as a SOP part which is always possible. I know there are differences on axles, have had both here through the years, still have some and opinions on those also vary but i never mentioned anything about those in any of my posts

I Am not nearly as smart as you with the numbers . I can only confirm what I have seen with my own eyes. I had many 69's and I have seen the bell style on some of those cars. This blue 69 I know had them for sure. The complete rear is still here. None of the 68's I had ever had them. Usually if the axles had balance holes they had the bell style drums. If they only had the flange nut access holes they were standard drums.

Yes the axles were also different in the early 8 3/4 rears.

I have both styles if you would like some pics. The axle flanges are different