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kevlarian
Samba Member
Joined: October 16, 2014
Posts: 636
Location: Orange County, CA
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 Posted: Fri Nov 21, 2014 4:10 pm Post subject: Using 73+ Disk Brakes on 68-70 Bay Window |
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Can I just purchase a 2 1/2" drop spindle for a 72-79 bay, and insert that spindle on my 68... then source a new/used hub/disk combo (all the parts...) and run them on my 68?
Is it possible to mate a 72+ drop spindle on my 68 without modification?
Discuss...
(I think you know where I am going with this. I want Disk Brakes AND a 2.5" drop Trying to figure out a way to do it and keep it mostly stock.)
Last edited by kevlarian on Mon Nov 24, 2014 9:07 am; edited 1 time in total |
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Tcash
Samba Member
Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
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| Posted: Fri Nov 21, 2014 4:16 pm Post subject: |
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Check out this thread.
Lowering a Bay |
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FlatfourFrenchy
Samba Member
Joined: March 13, 2013
Posts: 297
Location: Boonville, MO
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| Posted: Fri Nov 21, 2014 5:13 pm Post subject: |
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I called WagensWest for some info for myself and asked him that same question. The gentleman told me that any year ball joint spindle will fit any year ball joint bus. They have some pretty cool goodies for the front end so I figured they know.their sh!t. I will be shopping there.
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1971 Tin Top Westy Campmobile 70 |
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skills@eurocarsplus
Samba Peckerhead
Joined: January 01, 2007
Posts: 16883
Location: sticksville, ct.
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| Posted: Fri Nov 21, 2014 6:05 pm Post subject: |
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just harvest all your bits from a 71-79 bus. they bolt right on. then you can have power disk brakes too. order your spindles as needed
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my reason for switching to subaru is my german car was turning chinese so i said fuck it and went japanese....... |
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| Thanks for the correction. I used to be a nice guy, then I ruined it by exposing myself to the public. |
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kevlarian
Samba Member
Joined: October 16, 2014
Posts: 636
Location: Orange County, CA
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| Posted: Fri Nov 21, 2014 6:34 pm Post subject: |
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| So when you say all the bits, you are talking from the spindle out. What about the master and slave cylinders. |
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FlatfourFrenchy
Samba Member
Joined: March 13, 2013
Posts: 297
Location: Boonville, MO
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| Posted: Fri Nov 21, 2014 7:01 pm Post subject: |
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And don't forget the booster.
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1971 Tin Top Westy Campmobile 70 |
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Tcash
Samba Member
Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
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cdennisg
Samba Member
Joined: November 02, 2004
Posts: 20278
Location: Sandpoint, ID
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| Posted: Fri Nov 21, 2014 8:38 pm Post subject: Re: Hear me out on this... |
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| kevlarian wrote: |
Can I just purchase a 2 1/2" drop spindle for a 72-79 bay, and insert that spindle on my 68... then source a new/used hub/disk combo (all the parts...) and run them on my 68?
Is it possible to mate a 72+ drop spindle on my 68 without modification?
Discuss...
(I think you know where I am going with this. I want Disk Brakes AND a 2.5" drop Trying to figure out a way to do it and keep it mostly stock.) |
Short answer, yes. But as you seem to have discovered, there is a little more to it. The later spindle will fit the early beam, but the 68 beam does not have the mount for the power brake booster that is used with the disc brake master cylinder. Some adaptation is in order.
FYI, use 73-later disc stuff. It is better,and more readily available.
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kevlarian
Samba Member
Joined: October 16, 2014
Posts: 636
Location: Orange County, CA
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| Posted: Fri Nov 21, 2014 11:24 pm Post subject: |
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| WTB: 73-later Disk stuff;-) |
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Tcash
Samba Member
Joined: July 20, 2011
Posts: 12844
Location: San Jose, California, USA
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| Posted: Sat Nov 22, 2014 7:49 am Post subject: |
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| kevlarian wrote: |
| WTB: 73-later Disk stuff;-) |
Parting out |
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kevlarian
Samba Member
Joined: October 16, 2014
Posts: 636
Location: Orange County, CA
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| Posted: Sat Nov 22, 2014 10:20 pm Post subject: |
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| Alright. Follow up question. If I convert the front of my 68 to disk with the 73 or newer front end, can I just replace the outer rear drums with the 73 or newer drums tomget the same bolt pattern, or do I have to replace the entire rear drum system too... |
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cdennisg
Samba Member
Joined: November 02, 2004
Posts: 20278
Location: Sandpoint, ID
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| Posted: Sun Nov 23, 2014 10:42 am Post subject: |
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You will need the entire rear brake setup off the later bus. Instead of just a brake drum, they use a drum/hub combo. It will bolt onto your early trailing arm (I think), but it is definitely different. Might be a few small mods needed. Hopefully someone with direct experience with that swap will chime in here if I am wrong.
If you have a Bentley manual (and you definitely should) there are exploded diagrams of each rear brake setup in there. Study them closely and you will see what you need.
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skills@eurocarsplus
Samba Peckerhead
Joined: January 01, 2007
Posts: 16883
Location: sticksville, ct.
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| Posted: Sun Nov 23, 2014 1:12 pm Post subject: |
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I must have missed the 68 part. it's a 1 year only bay beam, as is the bolt hole pattern.(will fit 66 and 67 split's iirc)
you will need to use your beam, just swap spindles and have a plate welded on to it for your booster
_________________
| gprudenciop wrote: |
my reason for switching to subaru is my german car was turning chinese so i said fuck it and went japanese....... |
| Jake Raby wrote: |
| Thanks for the correction. I used to be a nice guy, then I ruined it by exposing myself to the public. |
| Brian wrote: |
| Also the fact that people are agreeing with Skills, it's a turn of events for samba history |
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cdennisg
Samba Member
Joined: November 02, 2004
Posts: 20278
Location: Sandpoint, ID
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| Posted: Sun Nov 23, 2014 1:35 pm Post subject: |
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| skills@eurocarsplus wrote: |
I must have missed the 68 part. it's a 1 year only bay beam, as is the bolt hole pattern.(will fit 66 and 67 split's iirc)
you will need to use your beam, just swap spindles and have a plate welded on to it for your booster |
68 and 69 beam have the same bolt pattern. 70 has the late pattern with drum brakes, 71-79 have the late bolt pattern with disc brakes. You can drill two holes in the sideplates of a 71-later beam to bolt up to an early bus, or change the sideplates to an aftermarket plate that is intended for building a lowered beam.
http://www.thesamba.com/vw/classifieds/detail.php?id=1358803
Here is a good shot of the two hole patterns, and the m/c mount plate.
It is likely the best plan to get an entire front beam from a late bay, then swap the spindles to your early beam and use the late beam/master cylinder mount as a pattern to build and install your own m/c mount plate.
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kevlarian
Samba Member
Joined: October 16, 2014
Posts: 636
Location: Orange County, CA
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| Posted: Sun Nov 23, 2014 3:50 pm Post subject: |
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| Sourced a complete set of front spindles, brakes, rotors, calipers, etc from a 75 bay. How difficult is it to have my rear drums re drilled for the 5x130 whole pattern as up front will be. Also. Had anyone tried to do front disk brakes without the booster. Just running them straight. |
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cdennisg
Samba Member
Joined: November 02, 2004
Posts: 20278
Location: Sandpoint, ID
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| Posted: Sun Nov 23, 2014 4:05 pm Post subject: |
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I don't think the wide five rear drum design will allow for the small bolt pattern. the casting in the center is too large.
Not sure about non-boosted discs.
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kevlarian
Samba Member
Joined: October 16, 2014
Posts: 636
Location: Orange County, CA
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| Posted: Sun Nov 23, 2014 6:45 pm Post subject: |
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| I have looked at many of the disk brake conversion kits and none of them have boost or assist, including wide 5 native conversion. I the rear os going to be a challenge. I either have to run vastly different rims front and rear or figure out the rear. |
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cdennisg
Samba Member
Joined: November 02, 2004
Posts: 20278
Location: Sandpoint, ID
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| Posted: Sun Nov 23, 2014 8:30 pm Post subject: |
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Not sure if the size of the pistons in the calipers, and the ID of the lines have anything to do with the need for a brake booster, but this stuff was designed to work as a team. Careful swapping in replacement players. Also, don't forget the brake proportioning valve from the donor late bay.
Swapping to late bay rear brakes is a bolt-on affair, I am pretty sure.
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kevlarian
Samba Member
Joined: October 16, 2014
Posts: 636
Location: Orange County, CA
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| Posted: Sun Nov 23, 2014 10:37 pm Post subject: |
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| why cant the stock brakes work well... then this wouldn't be a problem... |
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cdennisg
Samba Member
Joined: November 02, 2004
Posts: 20278
Location: Sandpoint, ID
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| Posted: Sun Nov 23, 2014 10:42 pm Post subject: |
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| kevlarian wrote: |
| why cant the stock brakes work well... then this wouldn't be a problem... |
The stock brakes can work quite well if properly built and maintained. The disc brake advantage has more to do with the feel of power assist, and the lack of brake fade when they heat up. Also, drums get somewhat non-functional after driving through a big puddle or a heavy rain. Discs generally don't have that problem.
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