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01-20-2014, 05:24 PM | #1 |
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Location: Enterprise, WV.
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What kind of brake drums are these
These where on my 30 coupe when I bought it, There all one piece, cast iron. I don't believe there typical for Model A so what are they .
Not sure if I did this right, If not I'll try down loading pictures again. |
01-20-2014, 05:32 PM | #2 |
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Re: What kind of brake drums are these
Does the car have mechanical or hydraulic brakes? They are definitely not Model A. I have worked on them in a 36 Ford.
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01-20-2014, 05:34 PM | #3 |
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Re: What kind of brake drums are these
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01-20-2014, 05:39 PM | #4 |
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Re: What kind of brake drums are these
If they're 11 inch they are late 31 A.Very nice drums.I have a couple of sets on my cars.Are the rears cast too?
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01-20-2014, 05:39 PM | #5 |
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Re: What kind of brake drums are these
They may be late '31 if they are 11 inches in diameter. They would have been added after the car left the factory and are definitely a better drum. If they are 12 inches in diameter they are '32 to '35 but I can't nail it down any better than that.
Charlie Stephens |
01-20-2014, 05:58 PM | #6 | |
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Re: What kind of brake drums are these
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Quote:
Last edited by TDO; 01-20-2014 at 06:04 PM. |
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01-20-2014, 05:40 PM | #7 |
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Re: What kind of brake drums are these
Im gonna say they are 34 or 35 assemblies. They most likely just changed the backplates out to update it a little. 99% of the Model A brake parts are not going to fit that set up.
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01-20-2014, 05:41 PM | #8 |
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Re: What kind of brake drums are these
The tape measure will be your guide.
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01-20-2014, 05:45 PM | #9 |
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Re: What kind of brake drums are these
I "think" they're Model A, aren't they the ones thet ur called, "ROCKY MOUNTAIN" drums? Aftermarket????? (5 question marks mean, I "might" not know whut I'm talkin' about?????)
Bill W.
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01-20-2014, 05:48 PM | #10 |
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Re: What kind of brake drums are these
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12-02-2016, 11:16 PM | #11 |
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Re: What kind of brake drums are these
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01-20-2014, 05:57 PM | #12 |
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Re: What kind of brake drums are these
The Judging Standards say they came out in Sept. 31.
Bob |
01-20-2014, 06:06 PM | #13 |
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Re: What kind of brake drums are these
Most likely 35 backing plates w/31 drums. Maybe BCCHOPIT will chime in??
Paul in CT JMO |
01-20-2014, 06:21 PM | #14 |
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Re: What kind of brake drums are these
Paul,why do you think they are 35 backing plates? They look like 11 inch A to me.The 32 up brakes are completely different.The actuating lever sticks up on the A,it hangs down on the later ones.The kingpin head sticks ahead of the kingpin on the A,it sticks out behind it on the 32 and up.I collected a bunch of later 12 inch brake stuff years ago,thinking I was going to put some nice 12 inch cast brakes on my A.Not an easy conversion.I still have a bunch of 12 inch brake drums hanging around from that pipe dream.
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01-20-2014, 10:09 PM | #15 | |
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Re: What kind of brake drums are these
Quote:
It's not a pipe dream at all. I installed '35 front brakes (drums and b.p's) on our '30 AV8 and it's a breeze. The easiest work I've done on the car. You need the spacers used to mount juice brakes on '28-'35 spindles and it's a complete bolt on. The rears are more problematic and I haven't gotten to that yet. At front you keep the Model A kingpins and actuators but need the '35 brake operating pins (cupped vs ball on bottom end). I've been told '35 rears can work if inverted and reversed d/s to p/s. BCChopit has done it with '32-'34 rears on his Model A so I know that can be done and I thank him for showing me how to do it. '35's have 1.75" shoes vs 1.5" so you get more braking. It's amazing how much better it stops even with just the 12" cast iron fronts. Last pic shows required spacer on '32 spindles. |
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01-20-2014, 10:43 PM | #16 |
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Re: What kind of brake drums are these
The great thing about the original Model A cast iron front drums is that they are one piece, no hub and drum assembly. I believe that you still have to swage the studs in place.
Darryl in Fairbanks |
01-20-2014, 06:37 PM | #17 |
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Re: What kind of brake drums are these
Keith: Sorry I didn't blow up the pictures. You're probably right. I know the 35's are "basically" bolt on.
Paul |
01-20-2014, 07:27 PM | #18 |
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Re: What kind of brake drums are these
Looks like I have late 31's, . I sent my steering arms off for rebuilt ones from A&L. But seeing how our postal service don't know east from west. they went to MO. instead of CT. that was on the 9th of Jan. The tracking # shows they left Hazelwood MO. on the 11th of Jan. that's the last they've been heard of. Hard to tell where there at. Lots of luck trying to talk to some one at the postal service, even though they have a $ 50.00 insurance, Probably can kiss that goodbye to. So while I'm waiting on them, thought I would do some brake work. want to put the brake equalizer ( floater) on the front. tomorrow I'll take it all apart and clean it up and post some more pictures so I know exactly what I have before ordering parts.
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01-20-2014, 08:19 PM | #19 |
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Re: What kind of brake drums are these
They are Rocky Mountain brake drums and if indeed they are 11" they were for a Model A. I would like to add they are very dangerous and should be removed from service immediately!
Send them to me (I will pay shipping of course) and I will properly and safely depose of them. Talking my old drums off as we speak in WV dusty |
01-20-2014, 08:37 PM | #20 |
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Re: What kind of brake drums are these
They are commonly mis-labeled as "Rocky Mountain Drums!" Those were for T's. What you have are stock LATE 31 drums. They came with cast iron rears.
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