Beltfed Posted May 11, 2014 Share Posted May 11, 2014 Looking at what I think are 1939 rear brake drums. I can't find any specs. as to the maximum I.d. of the drums. These look to be about 12-5/16". Can anyone tell me what the maximum I.d. of the drum is. Thanks. Link to comment Share on other sites More sharing options...
peecher Posted May 12, 2014 Share Posted May 12, 2014 Those drums started life at 12" I.D. The normal, accepted limit on turning them is .060" so if your 12-5/16" dimension is correct you are well past the "safe" limit. Link to comment Share on other sites More sharing options...
Beltfed Posted May 12, 2014 Author Share Posted May 12, 2014 Thanks for the bad news. I was afraid of that when I was looking at them. They just didn't look right. I also noticed the adjusters were screwed out more than any brake setup I've ever worked on. Now the hunt is on for new drums. Link to comment Share on other sites More sharing options...
Guest 65Starfire Posted May 12, 2014 Share Posted May 12, 2014 Im not sure if they will work but:http://www.speedwaymotors.com/12-x-2-Brake-Drum-for-Bendix-Style-1937-48-Ford-Brakes,5847.html Link to comment Share on other sites More sharing options...
Mssr. Bwatoe Posted May 12, 2014 Share Posted May 12, 2014 I have had no luck with basic machine turn drum...my fronts also looked bad ..rough tearing cut even with new bit...I used 'em. This one is scrapunless I buy a new replacement and reuse old hub.. I dont understand issue..drums were clean..I thought a quick light cut to true it up.. Link to comment Share on other sites More sharing options...
Beltfed Posted May 12, 2014 Author Share Posted May 12, 2014 65Starfire, I checked your suggestion but don't think it will work. My car came with what they call "wide 5's. I will be at the car shortly and will measure bolt pattern.Bob Link to comment Share on other sites More sharing options...
Mssr. Bwatoe Posted May 12, 2014 Share Posted May 12, 2014 WIDE 5 IS THE EARLIER FORD DRUM...AND IS ALSO AVAILABLE Link to comment Share on other sites More sharing options...
Beltfed Posted May 12, 2014 Author Share Posted May 12, 2014 The wide 5's measure 5 on 10". Have looked at Drakes, Mac's Auto supply, Joe's Ford Parts with no luck. Mssr. Bwatoe, can you help with a supplier? Thanks. Link to comment Share on other sites More sharing options...
Mssr. Bwatoe Posted May 13, 2014 Share Posted May 13, 2014 I WILL LOOK AGAIN.. Link to comment Share on other sites More sharing options...
Beltfed Posted May 13, 2014 Author Share Posted May 13, 2014 I have found out that these drums are 1936 to early 1938. Sorry for my mistake. Link to comment Share on other sites More sharing options...
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