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Old 05-28-2008, 08:39 AM   #1
VDOG
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Brake Lines

Ok, I did the disc brake conversion on my 69. Now im going to install a master, prop valve and booster off a 72 Blazer. My problem, which brake lines do I need to connect the prop valve to the front and rear brakes? I tried to do the brake line flare, (*^%$ THAT) so the kit will be going back to CPP tomorrow.
I did a search, but all I find is disc conversions or booster installs and not the brake lines. Also do I need to run the whole line from front to back or just use a piece with a union?
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Old 05-28-2008, 09:05 AM   #2
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Re: Brake Lines

I just finished the project this weekend. I had done the 5 lug disc conversion from a square body truck. So of course, I changed the brake booster and master cylinder too along with prop. valve all from the square body. My 69 had the same prop valve as you have in the pics where one line is for the rear and the other to the front brakes. I ran the one to the rear with a union but had to run two individuals to the front because thats how the square bodies are. Pretty simple... took two lines, bent them, and took the t adapter off and ran one line to the left and the other to the right. any questions let me know i could try to guide you thru any obsticles.
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Old 05-28-2008, 09:49 AM   #3
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Re: Brake Lines

Tried to bend and flare a line using the kit from CPP. When I tried to flare, all I did was expand the line opening, no flareing. Also what year brake lines did you use?
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Old 05-28-2008, 01:32 PM   #4
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Re: Brake Lines

I am doing the same thing ( I guess ) . I have a booster setup off a 72 , but what I want to know is where or how did you run your new lines to the rear ( Disk on 4 corners ) . I don't have any lines to run back now . I am going to need new 1's and the clips that hold them to the frame ( gas line to ) . So what I am wanting to know is where can I get new , good used lines or make them myself ? The frame should be back from powder coating this week . I want to get everything in line to go back on . I needs a good Blazer gas tank too . I am having new trailing arms made ( lucky me FREE ) by my son who works in a fab shop , got the rear axles turned down going with 5 lug . going with caprice brakes on the rear . So right now I am just and trying to get every thing to gather
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Old 05-28-2008, 01:48 PM   #5
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Re: Brake Lines

This is where I bought my kit. Great prices, great fit & great customer support. No fabbing. Went right in.

http://www.finelinesinc.com/
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Old 05-28-2008, 05:44 PM   #6
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Re: Brake Lines

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Originally Posted by 70GMCer View Post
This is where I bought my kit. Great prices, great fit & great customer support. No fabbing. Went right in.

http://www.finelinesinc.com/
What did you buy for what year truck? My 69 brake lines do not meet up with any new prop valve. Thats why I keep asking what year to use. 71 or later lines?
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Old 05-28-2008, 09:39 PM   #7
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Re: Brake Lines

I tried finding me receipt for my line kit, but couldn't. Give the a email or call them. They will set you up. Mine fit perfect from front to back. They have a kit for disk conversion for 67/70 trucks.
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Old 05-28-2008, 10:56 PM   #8
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Re: Brake Lines

I spliced my front and rear lines in with a union approximately 8" above the frame and bent my own lines from there. piece of cake with practice.
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Old 05-28-2008, 11:14 PM   #9
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Re: Brake Lines

The bending of the line I can get close to what I need, the flaring is the pain.
When I flared a pratice tube, all I did was make the opening wider, no flare what so ever.
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Old 05-29-2008, 12:56 AM   #10
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Re: Brake Lines

Trying to double flare small stainless lines without a hydraulic flaring tool is an exercise in futility.
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Old 05-29-2008, 01:11 AM   #11
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Re: Brake Lines

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Trying to double flare small stainless lines without a hydraulic flaring tool is an exercise in futility.
Your right!! Thats why this flare kit will be back at CPP tomorrow. The Hydraulic Kit I saw from Master Power Brakes was 385.00. Its not that serious. So can I use 71-72 brake lines?
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Old 05-29-2008, 01:43 AM   #12
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Re: Brake Lines

If I'm not mistaken, you can single flare a stainless steel brake line. Double flare are for straight steel brake lines.
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Old 05-29-2008, 03:22 AM   #13
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Re: Brake Lines

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If I'm not mistaken, you can single flare a stainless steel brake line. Double flare are for straight steel brake lines.
Again the home flaring kit is not working for me. I know someone here just replace their brake line with another year
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Old 05-29-2008, 02:04 PM   #14
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Re: Brake Lines

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If I'm not mistaken, you can single flare a stainless steel brake line. Double flare are for straight steel brake lines.
NEVER EVER SINGLE FLARE A brake line it will blow and leak . any way i got all my lines from www.inlinetube.com after i found out my rear end wasn't oringal and the lines for 71 woulnd/t fit they custom bent the rear end lines for me for like 10 buxs more
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Old 05-29-2008, 06:18 AM   #15
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Re: Brake Lines

I used www.inlinetube.com.
They seem to be cheaper than the other place metioned and I really liked their customoer service, so much that I will be ordering from them again in the near future. Full stainless brake line kit $185 or $155 for stock compared to $206 for stainless on the other site.
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Old 05-29-2008, 07:24 AM   #16
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Re: Brake Lines

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I used www.inlinetube.com.
They seem to be cheaper than the other place metioned and I really liked their customoer service, so much that I will be ordering from them again in the near future. Full stainless brake line kit $185 or $155 for stock compared to $206 for stainless on the other site.
I looked at their site, what did you order? What MC, prop vlave and booster setup do you have? And this is on what year truck?
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Old 05-29-2008, 12:53 PM   #17
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Re: Brake Lines

I bought the complete kit, but I called and had the package modiied for my truck. I have a 67 frame, and a72 suspention. I bought the booster kit from Brothers.
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Old 05-29-2008, 02:11 PM   #18
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Re: Brake Lines

All I can say is I paid $100 for the complete kit including mc lines at http://www.finelinesinc.com/

Email or call them and they will set you up. If not, then you can buy the "higher priced spread"....
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Old 06-01-2008, 02:56 AM   #19
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Re: Brake Lines

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All I can say is I paid $100 for the complete kit including mc lines at http://www.finelinesinc.com/
Email or call them and they will set you up. If not, then you can buy the "higher priced spread"....
How long did it take for FineLines to send the brake lines?
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Old 06-02-2008, 04:50 AM   #20
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Re: Brake Lines

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How long did it take for FineLines to send the brake lines?
I got mine in 3 days, if your going to do this pick a year 71 or 72 get your lines we all here can help you with pic's or fab ideas if needed. Lets get your brakes on and working! Hard to drive without good brakes.

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Old 06-02-2008, 04:54 AM   #21
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Re: Brake Lines

1 more thing do your lines going to frame to the inside or outside of the frame? Pictures would be nice of lines, upper control arm area both sides front and back views, something like I took.

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Old 06-02-2008, 10:31 AM   #22
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Re: Brake Lines

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1 more thing do your lines going to frame to the inside or outside of the frame? Pictures would be nice of lines, upper control arm area both sides front and back views, something like I took.

Gulf Rat
My lines run inside the frame and behind the crossmenber. I ordered my lines on Friday, but I think they were closed because my order on their page has showed pending ever since. I will check this morning.
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Old 06-10-2008, 04:52 PM   #23
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Re: Brake Lines

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1 more thing do your lines going to frame to the inside or outside of the frame? Pictures would be nice of lines, upper control arm area both sides front and back views, something like I took.

Gulf Rat

Brake lines came today, no pictures or instructions. I will take pictures of the frame and lines. Need to figure out how to run the lines.
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Old 06-02-2008, 02:12 PM   #24
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Re: Brake Lines

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How long did it take for FineLines to send the brake lines?
I bought mine at a show they were at. Check there show schedule. They might be near you. They also give show discount prices.
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Old 06-02-2008, 03:20 PM   #25
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Re: Brake Lines

Found this pic of brake setup for 71-72 hope it helps.

Name:  71-72 brakes.jpg
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