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Fullraceflathead · 03-12-2015, 09:05 PM

The Brake drum may be "Bell Mouthed" from being thin or overheated. It looks like the outer area of the Drum to Shoe contact is less than the inner areas near the hub.
If the drums were checked with a Drum Micrometer and were in size and not out of round or Bell Mouthed then I would think the shoe is bent slightly. Maybe someone in it's past beat down hard on the shoe to install the rivets and bent the shoe.

03-12-2015, 09:05 PM	#11
Fullraceflathead Senior Member Join Date: May 2012 Location: Chillicothe, Missouri Posts: 1,684	Re: Rear Brake Lining Wear The Brake drum may be "Bell Mouthed" from being thin or overheated. It looks like the outer area of the Drum to Shoe contact is less than the inner areas near the hub. If the drums were checked with a Drum Micrometer and were in size and not out of round or Bell Mouthed then I would think the shoe is bent slightly. Maybe someone in it's past beat down hard on the shoe to install the rivets and bent the shoe. __________________ "If I asked people what they wanted they would have said faster horses." -Henry Ford "Primitive technology is not a design flaw" 1928 Ford Model A Roadster Pickup 1930 Gordon Smith Air Compressor 1941 Willy's Pickup 1960 Thunderbird-For Sale 1964 Buick Riviera 2x4 425 1965 Pontiac GTO, 455 Super Duty 2004 Dodge Ram SRT-10, V-10 Viper 1977 Charger Jet Boat,460 Ford,Jacuzzi Jet Front Engine Nostalgia Dragster,Supercharged 296 "Fullrace Flathead" Ford Engine Build up on DVD ask Last edited by Fullraceflathead; 03-13-2015 at 10:37 AM.