‘35 to Hydraulic brake conversion question

[AnthonyG]

Rear drums to tight to go on. The rear Lockheed's r adjusted all the way in w the new shoes won’t go on. I didn’t arc them as many said it wasn’t needed especially w the big Lincoln’s on the front. Indicating couple hundred miles would brake in / true up the rear’s. Has anyone had this issue?

My question is, to get them to fit can I cut the drums & what’s the max OD allowable on the ID?

Or do I have to sand the shoes as some have indicated?

Tech info: Rear Drums r from my ‘35, Backing plates r 1940-41 type.
Thx & best

[deuce lover]

Max is .060 oversize.Arcing might help.

[rich b]

Sometimes just beveling the leading and trailing edges of the lining will make enough difference and allow assembly.

If that don't work and the drums are smooth; arcing the shoes should cure your problem.

[Zeke3]

I would never cut a drum to get the shoes to fit, Ford drums are not that thick to begin with and ones that have been turned look and feel too thin to me. You could take the shoes off the backing plate and lay them in the drum to see how the arc of the shoe compares to the drum. I agree with arcing the shoes to the drum.

[AnthonyG]

Does anyone know of someone who does the arcing to cut the linings in the Stroudsburg Pa. Area 18324 or Phila. Pa isn’t that far?

[blownford]

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For what it's worth, I recently purchased new brake shoes from ThirdGen. There was a note included with the shoes (sorry I didn't save it) that said if the drums wouldn't go on it was acceptable to grind a small amount off the metal part of the shoes where they go into the wheel cylinders.

You might contact Michael at ThirdGen for clarification.

[rich b]

Originally Posted by blownford

For what it's worth, I recently purchased new brake shoes from ThirdGen. There was a note included with the shoes (sorry I didn't save it) that said if the drums wouldn't go on it was acceptable to grind a small amount off the metal part of the shoes where they go into the wheel cylinders.

You might contact Michael at ThirdGen for clarification.

Another good reason to have original (or vintage replacement) shoes relined. The quality and precision of the imported repop shoes leave much to be desired.