Quote:
Originally Posted by cortcomp
I think he's talking about the long spring that goes around the outer circumference of the drum. I just put new brakes all around on mine (from napa) and had to do the rivet grinding also. I did not put the springs back on as there was a small half round "track" for them to sit in on the stock drums, but not the aftermarket ones.
If i had to guess, i'd say it was a cheap way to cool them with air movement instead of casting them as finned drums like on later vehicles.
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I've been told those are for noise and vibration dampening. Big trucks have them, and 425-horse 409 Impala and Bel Airs had them for the semi-metallic high performance brake package those cars came with.
I've got new drums on the front of my Suburban, and when I brake, it sounds like a damn bus or dump truck stopping. I hate it.
I've got to get in there and figure out if there's a fix, but haven't gotten around to it yet. I've got a complete cross member I'm going to rebuild and upgrade with discs and dropped spindles this summer, so I'm just gritting my teeth until then.
-Brad