01-12-2018, 11:28 PM | #1 |
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‘48 Rear Drums
I’m trying to find a set of rear brake drums without the hubs for a 1948 Super Deluxe. The hubs are inside mount. Mac’s sells new drums for $130. I think this is crazy, I can buy drums for my 1 ton truck for $80. And I haven’t been really impressed with the quality of parts from Mac’s. Does anyone know where I can find drums cheaper than Mac’s? I’ve tried NAPA, Oreillys and Autozone but they don’t show that they have anything for that car.
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01-13-2018, 12:49 AM | #2 |
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Re: ‘48 Rear Drums
replacing drums is a big deal. you need to cut the swedged studs with a hole saw before you press them out, or bend the hub. there is only two makers of the drums, chinese stuff from macs and others, or.... gol dangit, on the tip of my tongue, the folks that make the new hubs and lincoln backing plates? sombody will help! but you need new studs, modern splined things and true drums after they are mounted, its a big deal MT products, i believe makes the good drums
Last edited by cas3; 01-13-2018 at 12:54 AM. Reason: to add |
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01-13-2018, 01:03 AM | #3 |
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Re: ‘48 Rear Drums
Get drum from MT Auto Products. Replace the swedged studs with modern studs that don't need to be pressed in. The only way to go and I have done it on two cars, 36 and 41.
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01-13-2018, 01:04 AM | #4 |
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Re: ‘48 Rear Drums
Boling Bros makes the quality MT stuff. http://www.bolingbrothers.com/replacement-parts/
Speedway sells their own version of the drum, Chinese made too. No matter what you get; you will have to deal with the studs and possibly drum lip to backing plates interference requiring a little machine work. |
01-13-2018, 01:16 AM | #5 |
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Re: ‘48 Rear Drums
thanks rich for posting the real deal, i couldnt remember!
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01-13-2018, 11:18 AM | #6 |
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Re: ‘48 Rear Drums
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01-13-2018, 11:45 AM | #7 |
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Re: ‘48 Rear Drums
I used studs for F1/F-100 hubs. The shoulder was the right diameter to fit the drum and the length was perfect. I opened the hub hole to something almost 5/8". This is with Speedway drums.
Last edited by Andy; 01-13-2018 at 07:21 PM. |
01-13-2018, 03:02 PM | #8 |
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Re: ‘48 Rear Drums
I've used 2 different vendors (but most likely the same drum manufacture) of the original style drums with bad results. BOTH sets of drums were warped, both places would replace them at my cost for shipping. I turned them to make them better but still where warped. My next purchase will be the Lincolns from MT.
To answer your price question, that is the going rate, unless you get good used. |
01-13-2018, 03:12 PM | #9 |
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Re: ‘48 Rear Drums
Early Ford Parts in San Dimas has the drums... they have everything you need! I did the MT bendix upgrade a year ago... I could only afford the separate hub & drums for the rears.. but I didn't have to replace any studs.. I ended up with them because my original hub/drum combined had a stripped stud.. and even though I told the machine shop to be careful, they messed up & warped the hub.. I am extremely happy with the MT bendix style
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01-13-2018, 04:02 PM | #10 |
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Re: ‘48 Rear Drums
On Boling's web sight they recommend reaming the original holes to .600" and using Dorman 610-234 studs.
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01-13-2018, 05:32 PM | #11 |
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Re: ‘48 Rear Drums
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01-13-2018, 06:24 PM | #12 |
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Re: ‘48 Rear Drums
I used the press in studs on my '47, but the ones they sell you are for the repo hubs which are thick. They really stick out of the rear hubs bad (hub inside the drum). I used Dorman 610-191 and had to slightly taper the new drum with a stone on the inside of the rear. If you have a lathe you can turn the end down (I didn't when I put this together in 2008). This is with a .600 hole to start with.
With the 610-234 studs you buy repo: With the 610-191 studs: |
01-14-2018, 01:39 AM | #13 |
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Re: ‘48 Rear Drums
Think I saw brake drums at RockAuto.com the other night.
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01-14-2018, 04:18 AM | #14 |
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Re: ‘48 Rear Drums
^ I'd be surprised if they have, I looked a couple of weeks ago.
In fact I just checked, they have nothing against 1947 or 1948. What they do have is drums listed for the 1948 F1. those are 11", however, not what we are discussing here. Mart. |
01-14-2018, 07:34 AM | #15 | |
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Re: ‘48 Rear Drums
Quote:
With the pressed in studs you used, the new drum just floats ? Like a later style rear drum on a truck? |
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01-14-2018, 08:33 AM | #16 |
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Re: ‘48 Rear Drums
Hub-centered. The ID of the hole in the drum and the OD of the shoulder on the hub match and center the drum on the hub. The studs just hold the wheel on.
As contrasted to a Model A (lug centered) where the swaged lugs locate the drum on the hub and which require centering/turning after assembly to make sure the drum is centered on the hub. |
01-15-2018, 01:48 AM | #17 |
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Re: ‘48 Rear Drums
Yes, they’re hub centric. These are aftermarket drums, if your using stock drums you might need to open up the lug holes a little......I’ll find out when the ‘28 is done .
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01-15-2018, 11:46 AM | #18 |
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Re: ‘48 Rear Drums
610-109 is what I have used on the front hubs.
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01-15-2018, 12:13 PM | #19 | |
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Re: ‘48 Rear Drums
Quote:
Then, use a bit 5/8" or so. Keep the depth so that you're not going to cut into the hub (or drum) itself. If you stop a bit short, a punch and hammer will break off the last bit of the stud flange. Karl |
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02-12-2018, 10:59 AM | #20 |
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Re: ‘48 Rear Drums
Has anyone used these drums from speedway? I'm curious how they compare to the Boling Bros. drums? What does Bendix style mean? I have 12" juice brakes with inside mounted hubs.
https://www.speedwaymotors.com/12-x-...akes,5847.html |
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