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Brake line routing
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Fick4fun
Posted 2017-07-09 9:33 AM (#543815)
Subject: Brake line routing


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Ok this probably has been discussed but i searched for it and nothing so im asking again. I am putting a duel master on my 63 imperial disc brake in front and drum in back. Does anybody know how the brakelines need to be piped im a little confused at this time.
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mikes2nd
Posted 2017-07-09 10:07 AM (#543818 - in reply to #543815)
Subject: Re: Brake line routing


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huh? do you have any brake lines on the car at all?
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Fick4fun
Posted 2017-07-09 11:10 AM (#543821 - in reply to #543815)
Subject: Re: Brake line routing


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Yes i just need the routing from master to where it splits you know which 1 is the front port and which is the back do i need a proportion valve that kind of knowledge
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57chizler
Posted 2017-07-09 4:03 PM (#543839 - in reply to #543821)
Subject: Re: Brake line routing



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On a disc/drum MC, the rear outlet goes to the front brakes and vice-versa. A combination valve would be a good place to split the lines and it incorporates a prop valve.



(Combo_valve.jpg)



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Attachments Combo_valve.jpg (83KB - 156 downloads)
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51coronet
Posted 2017-07-11 5:31 PM (#543977 - in reply to #543815)
Subject: Re: Brake line routing


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Like 57chizler pointed out you should get a combination valve. It will come with lines that allow it to bolt and connect in the correct way to the master with a bracket and ends up being pretty clean.

Combination valve in photo sits on the driver side of the master cylinder. From there you route the brake lines however you like. I would suggest getting a good flaring tool and some extra fittings. The fittings at the master and combo valve use a variety of different sizes so it can only be connected the correct way (if the combo valve came with the lines like it should). Again if you plan on keeping the rears as drum be sure the combo valve is made for disc/drum.

If you decide not to get a combo valve you will need a proportioning valve for the rears, some fittings, and a tee for the front.

Edited by 51coronet 2017-07-11 5:41 PM




(master resized.jpg)



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Attachments master resized.jpg (103KB - 151 downloads)
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Fick4fun
Posted 2017-07-12 10:53 PM (#544069 - in reply to #543977)
Subject: Re: Brake line routing


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Sthat combo valve u have is it a gm unit and will it work with a 72 imperial master cylinder
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51coronet
Posted 2017-07-12 11:54 PM (#544071 - in reply to #543815)
Subject: Re: Brake line routing


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combo valves will work with any master provided its dual reservoir. Its just a matter of having the right fittings and pre bent lines. Otherwise bend them and flare them yourself and hook it up. Brake line routing and hookup is pretty simple stuff once you understand what its all doing. Lots of things interchange or can be easily swapped, just a matter of making the lines and pin from the brake pedal all connect properly. Getting the lines fully bled and correct bias to the rear end up being the trickiest part. That's my experience doing complete custom and stock brake set ups.
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57chizler
Posted 2017-07-13 12:46 PM (#544109 - in reply to #544071)
Subject: Re: Brake line routing



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Any combo valve is designed to work with one specific car weight and center balance so it's a crap shoot to use it on anything else. The only other alternative is separate adjustable prop valve.
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Fick4fun
Posted 2017-07-13 6:09 PM (#544115 - in reply to #544109)
Subject: Re: Brake line routing


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Never heard of that before so you think i should just adjustable prop valve to the rear and be done with it
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