Re: Strange Disc brake conversion problem
[Re: Andrewh]
#2573830
11/04/18 12:36 PM
11/04/18 12:36 PM
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Sammy
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probably a dr diff question. or andyf.
I don't know b-bodies that well. I know for c-bodies, which doesn't exactly help, that in 69 the spindles changed. everything bolts up from 65-73, suspension wise. whole setups will work. but you can't swap individual parts between them. Like the rotors don't work between certain years. 68 won't work on a 71 etc..
I imagine part of it is the budd disc system that went away in 68.
The other question would be are you sure it is a factory disc system and not an aftermarket? The old disc brake system was aftermarket as well. The diameter on the 65 spindle seems to be a touch larger.
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Re: Strange Disc brake conversion problem
[Re: Sammy]
#2573975
11/04/18 05:26 PM
11/04/18 05:26 PM
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Are you sure the previous setup was aftermarket? For a long time it's been a popular mod to swap mid '70s "A" body disk brakes onto '62-'65 "B" bodies. Conversion included "A" body spindles. I don't know if the bearing diameters were different but you might measure the difference between what you took off and what you're trying to install. If its not going on far enough to engage the nut then the bearings aren't seating and you'll destroy the rotors and or the spindles pretty quickly.
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Re: Strange Disc brake conversion problem
[Re: Centerline]
#2574017
11/04/18 06:45 PM
11/04/18 06:45 PM
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Sammy
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Are you sure the previous setup was aftermarket? For a long time it's been a popular mod to swap mid '70s "A" body disk brakes onto '62-'65 "B" bodies. Conversion included "A" body spindles. I don't know if the bearing diameters were different but you might measure the difference between what you took off and what you're trying to install. If its not going on far enough to engage the nut then the bearings aren't seating and you'll destroy the rotors and or the spindles pretty quickly. I got the rotors centered now. The hib is all the way back. What I'm seeing there is way too much outer hub. The bearing is out way too far sitting in the race. Wheel spins perfect. No binding but now I need a very shallow spindle nut. I've seen other early b bodies with the same strange brake conversions and they have more than enough nut engagement.
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Re: Strange Disc brake conversion problem
[Re: Sammy]
#2574036
11/04/18 07:20 PM
11/04/18 07:20 PM
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Posts: 25,942 Rio Linda, CA
John_Kunkel
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the inner bearing wont go on deep enough to fit the locking nut with the washer and not enough thread engagement to put the cotter pin in. The inner bearing should go all the way up to the raised shoulder on the spindle; if it won't, the bearing inner race diameter is too small. Do not attempt to run the rotor if the inner bearing isn't up against the shoulder.
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Re: Strange Disc brake conversion problem
[Re: John_Kunkel]
#2574038
11/04/18 07:31 PM
11/04/18 07:31 PM
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Sammy
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the inner bearing wont go on deep enough to fit the locking nut with the washer and not enough thread engagement to put the cotter pin in. The inner bearing should go all the way up to the raised shoulder on the spindle; if it won't, the bearing inner race diameter is too small. Do not attempt to run the rotor if the inner bearing isn't up against the shoulder. It is up against the shoulder of the race and everything is seated correctly. It looks like I got the wrong hubs.
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Re: Strange Disc brake conversion problem
[Re: dragon slayer]
#2574337
11/05/18 12:38 PM
11/05/18 12:38 PM
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Sammy
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66-69 B disc spindles 70-72 B/E disc spindles 73 up spindles
66-69 B Bendix calipers 70-72 B and 70-74 E KH calipers
66-69 B rotor Bendix
70-72 B/E rotors KH small bearing
73 up Rotor KH large, plus dia changes
Many combinations so you really need to determine what spindles you have. If 66-69 spindles that is your problem matching up either caliper or rotor. Both must be Bendix
Calipers and rotors are all lining up nicely now. That is NOT the problem NOW. The problem is the outer race and bearings location in the hub seems to be outward more than other hubs I have seen in person. Its not giving me enough thread engagement on the jam nut and I can't even get the washer on any more and no way to put the cotter pin through.
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Re: Strange Disc brake conversion problem
[Re: Sammy]
#2574367
11/05/18 01:24 PM
11/05/18 01:24 PM
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If you purchased the Strange kit for a 1969 "B" body and you're replacing disks that are already on the car then the problem is the spindles. According to Strange that kit "Fits factory drum brake spindles."
I suggest you try to find some stock '69 "B" body drum brake spindles. They shouldn't be that hard to find and if you indeed have that kit, everything should fit properly. That said, putting the later spindles on a '65 may change the geometry slightly and effect alignment. I'm sure someone will chime in who has done that before. If not, ask your question on the "For B Bodies Only (62-65 forum). Lots of early "B" body knowledge there.
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Re: Strange Disc brake conversion problem
[Re: John_Kunkel]
#2574578
11/05/18 08:52 PM
11/05/18 08:52 PM
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OP stated that the brackets "bolted up fine" so the spindle must be drum brake and the '62-'69 B-body drum brake spindles are all the same, even same part number. He also said he was replacing an old set of disks... so if he had disks they would have been disk spindles, not drum spindles. The question is are they from an A, B, or C body and what year.
Centerline 64 Dodge Polara 426 Street Wedge - For when I want to go fast 99 Corvette Z-06 - For when I want to turn corners
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Re: Strange Disc brake conversion problem
[Re: Centerline]
#2574593
11/05/18 09:16 PM
11/05/18 09:16 PM
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Posts: 25,942 Rio Linda, CA
John_Kunkel
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Yes but, as you stated earlier, the Strange kit is for drum spindles so would their brackets fit any disc spindle?
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Re: Strange Disc brake conversion problem
[Re: John_Kunkel]
#2574832
11/06/18 01:43 PM
11/06/18 01:43 PM
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Yes but, as you stated earlier, the Strange kit is for drum spindles so would their brackets fit any disc spindle? I think you'll have to ask Strange Engineering that question.
Centerline 64 Dodge Polara 426 Street Wedge - For when I want to go fast 99 Corvette Z-06 - For when I want to turn corners
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Re: Strange Disc brake conversion problem
[Re: Centerline]
#2574884
11/06/18 03:32 PM
11/06/18 03:32 PM
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Posts: 1,824 Wind Gap,Pa.
Sammy
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If you purchased the Strange kit for a 1969 "B" body and you're replacing disks that are already on the car then the problem is the spindles. According to Strange that kit "Fits factory drum brake spindles."
I suggest you try to find some stock '69 "B" body drum brake spindles. They shouldn't be that hard to find and if you indeed have that kit, everything should fit properly. That said, putting the later spindles on a '65 may change the geometry slightly and effect alignment. I'm sure someone will chime in who has done that before. If not, ask your question on the "For B Bodies Only (62-65 forum). Lots of early "B" body knowledge there. Thanks for your reply. I just got down to the bottom of it and just noticed that the previous owner cut off the front part of the spindle to allow for a shallow center cap. He took off a good inch so I do not have enough thread engagement. And now you are also right that I need a set of stock drum spindles. I'd take anything that isn't rusted up in great shape. 1962 to 1969. They are all the same from what I was told.
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