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That's reasonable. But how do you prevent a recurrence? Replacing the drums will increase drum mass which will alter the harmonics. Even if drums are perfectly round and concentric when first installed, what prevents them from distorting with repeated heat cycles? This isn't to argue with your statement but how do you ensure long-term reliability?
Okay. Thank you all for for the great info. Allow me to address many of your points into one cohesive post to see if we can collectively come to a new point.Johnny, you had mentioned the drums may be out of round causing the shoes to squeak against the backing plate. This makes sense to me. When I was adjusting the shoes/turning the drum to the point where I was unable to turn it anymore, to then back off 25 clicks, I could feel that at one point of my full drum rotation that there was contact with the shoe- leading me to believe that the drum was in fact not round. So, perhaps this is it.Someone else mentioned maybe the drums still had glaze. I kept the old drums for now as to not have to bother with trying to press out the old hub and press the new hub into new drums. That, and the drums were still within legal wear according to the measure I received at PepBoys. However, I did score the inside the of the drums with a coarse emery cloth before installing placing them again.Now, Mike mentioned that new products aren't made like they used to be. With that I didn't score the brake shoes themselves, I merely set the hardware as best I could to represent the reference photos I had and then confirmed here on the forum. Hit it with some brake cleaner (no the backing plate landings which had white lithium grease on them) and then reinstalled the drums. As Vile, mentioned, the drums will need a lot of attention to get it perfect.Lastly, BD mentioned how my brakes aren't squeaking due to them being out of round, but they are squeaking due to resonance. This makes perfect sense to me. At the moment, when my brakes do squeak, they are singing as loud as an opera! After driving for about 5 days now, I can draw one conclusion- they appear to squeak after I drive/brake for about 15 minutes. Mind you, that 15 minutes, is usually stop and go traffic, so I believe the rear brakes begin to squeak after they heat a bit due to friction.In conclusion, it sounds like I made a dire mistake in 'testing' my brakes my hammering on them to see if they worked.Further more, it sounds like I should obtain my spacer behind the inner lock nut first and fore most.1. Take the drums off.2. Confirm the shoes are still properly in place.3. Sand the surface of the shoe landings with emery cloth and the same with the drums.4. Hit with brake clean.5. Place the drums, adjust till I can no longer rotate the tire, and back off 25 notches again.6. Drive with the brakes, yet do not hammer on them.7. Give it a bit of time for the shoes to adjust to the drums.After this, if the problem persist, I'm to find a proper machinist to eithera) machine the drums to ensure roundness or b) replace the drums entirely.Would you guys agree with this?