brakes proportioning?
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Elder User
Joined: Sep 2002
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From: McAlester, OK
brakes proportioning?
Ok, I took a new master cylinder and it has 2 sizes of hoses on the thing. Since my pickup has a newer rerend with a larger bore cylinders for the brakes, would it be a good idea to run the larger line to the back?
Clayton
Clayton
Post Fiend
Joined: Feb 2001
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From: Iowa
brakes proportioning?
Clayton,
Not necessarily. It would be a good idea to run it just as it was intended on the donor vehicle and go from there. A lot of people put lots of different masters on these trucks and get by with it with no additional tweaking of the proportioning valve.
Not necessarily. It would be a good idea to run it just as it was intended on the donor vehicle and go from there. A lot of people put lots of different masters on these trucks and get by with it with no additional tweaking of the proportioning valve.
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Joined: Jan 2001
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From: Virginia
brakes proportioning?
I see alot of newer stock vehicles that have the front resevoir going to the rear, and the rear resevoir going to the front. I am also thinking the fitting size doesn't have much to do with the bore size. The lines seem to be the same, it's just a different size nut. And I am sure most of you have gone to the auto store to get a master cylinder, and sometimes it will have a brass adapter to change the line size to fit your vehicle.
Posting Guru
Joined: Mar 2003
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From: Kansas City area
brakes proportioning?
Clayton-
If you have a Speedway Catalog they have a "Brake System Tech Tip" with diagram on page 41 that is a good reference. Would probably also be in their on-line catalog at www.speedwaymotors.com. Hope it helps.
If you have a Speedway Catalog they have a "Brake System Tech Tip" with diagram on page 41 that is a good reference. Would probably also be in their on-line catalog at www.speedwaymotors.com. Hope it helps.
Posting Guru
Joined: Nov 2000
Posts: 1,310
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From: Illinois
brakes proportioning?
The larger reservoir is for the front disk brakes. They require more volume. The lines are probably the same size. The factory used different size nuts to make sure an assembly line worker didn't get them backwards.
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