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| "Slotted" Brake Drums https://coloradoclassicbroncos.com/viewtopic.php?f=4&t=4466 |
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| Author: | 75DBE [ Sun Jul 22, 2012 6:57 pm ] |
| Post subject: | "Slotted" Brake Drums |
So I was overhauling the front brakes (drum) on my 75 Bronco and I was surprised to see that the passenger side brake drum is grooved on the inside so that the brake shoes on that side end up having 1/4" inch grooves cut into them. It is only on that side. Is that normal? |
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| Author: | Viperwolf1 [ Sun Jul 22, 2012 9:53 pm ] |
| Post subject: | Re: "Slotted" Brake Drums |
No. Might be time for new drums or even a disk conversion. |
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| Author: | 75DBE [ Sun Jul 22, 2012 10:05 pm ] |
| Post subject: | Re: "Slotted" Brake Drums |
It is very odd. The drum seems to have been machined that way -- I wonder what would have made these two grooves develoip as they have. Yeah, I wish I could do the full up disc conversion right now, but I think I just need to get it on the road for a while! |
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| Author: | Viperwolf1 [ Sun Jul 22, 2012 11:25 pm ] |
| Post subject: | Re: "Slotted" Brake Drums |
It's easy for them to machine themselves. Wear the shoes down to the rivets and you'll eventually get some grooves. |
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| Author: | hockeydad4-22 [ Mon Jul 23, 2012 6:51 am ] |
| Post subject: | Re: "Slotted" Brake Drums |
What Viper said - more than likely someone let the shoes go to long at some point, the rivets wore the grooves into the drum, and they should have replaced the drum. Now you need to, as well as the shoes. |
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| Author: | Gunnibronco [ Mon Jul 23, 2012 7:25 am ] |
| Post subject: | Re: "Slotted" Brake Drums |
I had a drum on a 79 F250 "machine" itself into 2 pieces from a shoe that was improperly installed. I always wondered what the ringing noise from the rear end was. Finding out was very exciting! |
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| Author: | D&D72 [ Mon Jul 23, 2012 7:45 am ] |
| Post subject: | Re: "Slotted" Brake Drums |
I'm doing the front disc conversion So, I have all the front drum stuff if you need it. |
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| Author: | 75DBE [ Mon Jul 23, 2012 8:42 am ] |
| Post subject: | Re: "Slotted" Brake Drums |
Well that is great, thanks! Sounds like something was installed incorrectly on the passenger side front, so I may just be able to use your drums! Thanks. |
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| Author: | D&D72 [ Mon Jul 23, 2012 9:20 am ] |
| Post subject: | Re: "Slotted" Brake Drums |
PM sent |
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| Author: | Booger [ Tue Jul 24, 2012 7:28 pm ] |
| Post subject: | Re: "Slotted" Brake Drums |
Just think of those grooves as more surface area for the brakes to get a grip of. LOL |
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| Author: | HorseMan [ Thu Jul 26, 2012 7:29 pm ] |
| Post subject: | Re: "Slotted" Brake Drums |
Disc conversion |
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| Author: | 75DBE [ Thu Jul 26, 2012 9:05 pm ] |
| Post subject: | Re: "Slotted" Brake Drums |
I think it is too late for the disc conversion -- before I took off the drums I bought all of the other rebuild parts! CRUD! |
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