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66 brake master
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New User
Joined: Jan 2005
Posts: 3
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From: spartanburg, SC
66 brake master
I've got the old single master and would like to switch to a dual one but keep my drum brakes. Anybody know what I should be looking for, and also prop. valve if applicable.
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
blue, Before you open a thread look in the upper right corner for Search this Forum
Most of us prefer to swap in the power disc brakes and power steering at the same time. That too has been discussed many times.
Hope when you have a few minutes you can go through the posts and find what you need.
happy hunting
John
Most of us prefer to swap in the power disc brakes and power steering at the same time. That too has been discussed many times.
Hope when you have a few minutes you can go through the posts and find what you need.
happy hunting
John
Laughing Gas
Joined: Oct 2001
Posts: 957
Likes: 3
From: Winchendon MA
I'll save you the time to keep manual drum brakes on all four corners use a 69 bronco master. Bolts up not changes. Broncos use the same bore on the wheel cyl so there no change in pedal effort.
44
44
Laughing Gas
Joined: Oct 2001
Posts: 957
Likes: 3
From: Winchendon MA
Nope Broncos had just a spool valve in them for Brake warning light not real a prop valve.
You will have to re plumb the truck for twin lines but you know that. 66 uses a pressure switch on the line so you'll need to junk yard hunt for a switch to go of the pedal.
44
You will have to re plumb the truck for twin lines but you know that. 66 uses a pressure switch on the line so you'll need to junk yard hunt for a switch to go of the pedal.
44
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Posting Guru
Joined: Nov 2004
Posts: 1,111
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From: Turlock CA
oleblu66
I conerted to a twin master from a 70 Ford truck with the spool valve got all of the lines and spool from the junkyard new master but had to shorten the pushrod. other than that it all bolted right in. The factory lines look great even has a bracet that holds lines to steering box.
But for what it is worth I would start gathering parts for the disc upgrade. I completely rebuilt my drum brakes including master cylinder and when it was all done I probably could have gotten the disc brake conversion completed.
What ever you do have fun with it, it is all just a learning curve and some of us need to learn the hard way.
jd
I conerted to a twin master from a 70 Ford truck with the spool valve got all of the lines and spool from the junkyard new master but had to shorten the pushrod. other than that it all bolted right in. The factory lines look great even has a bracet that holds lines to steering box.
But for what it is worth I would start gathering parts for the disc upgrade. I completely rebuilt my drum brakes including master cylinder and when it was all done I probably could have gotten the disc brake conversion completed.
What ever you do have fun with it, it is all just a learning curve and some of us need to learn the hard way.
jd
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