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Unread 06-28-2013, 12:47 PM   #1
gosupes
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1986 CJ7 
 
Join Date: Jun 2004
Location: Monroe, WA
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Brake line tubing size

Anyone know what size diameter the lines are between the MC and prop valve? I was going to stop after work and get some bulk line but forgot to measure it before I left the house today. After some google searches it looks like 3/16" and 1/4" but I wanted to get a second opinion. Thanks

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1986 CJ7, 4.2 w/4.0 head, TFI-HEI hybrid ignition, Clifford manifold w/Holley 390 w/cold air intake, OBA, 4.5" lift, Woody CV shaft and Tattons in front, 4.10 gears - lunchbox in front, Truetrac in the back, twin-sticked, blower upgrade for running topless, trying to keep it simple.

It's just a Jeep, and if you don't wheel it once in a while, it's not even that.
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Unread 06-28-2013, 01:36 PM   #2
LumpyGrits
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Same as the rest of the Jeep.
LG
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Unread 06-28-2013, 01:45 PM   #3
gosupes
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Nice.
There are 2 sizes coming off the master.
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1986 CJ7, 4.2 w/4.0 head, TFI-HEI hybrid ignition, Clifford manifold w/Holley 390 w/cold air intake, OBA, 4.5" lift, Woody CV shaft and Tattons in front, 4.10 gears - lunchbox in front, Truetrac in the back, twin-sticked, blower upgrade for running topless, trying to keep it simple.

It's just a Jeep, and if you don't wheel it once in a while, it's not even that.
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Unread 06-28-2013, 01:55 PM   #4
LumpyGrits
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BOTH, the front and back brake lines from the M/C go into the p'valve
LG
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Unread 06-28-2013, 03:14 PM   #5
gosupes
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Quote:
Originally Posted by LumpyGrits View Post
BOTH, the front and back brake lines from the M/C go into the p'valve
LG
No kidding. You're a wealth of useless information.
__________________
1986 CJ7, 4.2 w/4.0 head, TFI-HEI hybrid ignition, Clifford manifold w/Holley 390 w/cold air intake, OBA, 4.5" lift, Woody CV shaft and Tattons in front, 4.10 gears - lunchbox in front, Truetrac in the back, twin-sticked, blower upgrade for running topless, trying to keep it simple.

It's just a Jeep, and if you don't wheel it once in a while, it's not even that.
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Unread 06-28-2013, 03:26 PM   #6
LumpyGrits
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Quote:
Originally Posted by gosupes View Post
No kidding. You're a wealth of useless information.

A good parts house like NAPA will tell you the sizes and the fitting sizes you need. BTW; Yes to .250" and .187" dia lines.
Because of your SA remark to me, you can just go ahead and find the fitting sizes somewhere else, as I'm done here.
Carry on,
LG
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Unread 06-28-2013, 03:35 PM   #7
CSP
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It's 3/16"
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Unread 06-28-2013, 05:48 PM   #8
gosupes
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Quote:
Originally Posted by LumpyGrits View Post

A good parts house like NAPA will tell you the sizes and the fitting sizes you need. BTW; Yes to .250" and .187" dia lines.
Because of your SA remark to me, you can just go ahead and find the fitting sizes somewhere else, as I'm done here.
Carry on,
LG
I didn't ask for fitting size. And who started the SA remarks? You were done before you started.
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1986 CJ7, 4.2 w/4.0 head, TFI-HEI hybrid ignition, Clifford manifold w/Holley 390 w/cold air intake, OBA, 4.5" lift, Woody CV shaft and Tattons in front, 4.10 gears - lunchbox in front, Truetrac in the back, twin-sticked, blower upgrade for running topless, trying to keep it simple.

It's just a Jeep, and if you don't wheel it once in a while, it's not even that.
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Unread 06-29-2013, 03:06 AM   #9
rplivin
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3/16" and 1/4" from prop valve to m\c. All the rest are 3/16". If you have the old fitting most stores will let you match them up. The sizes are posted somewhere just search. I used the poly line from advance auto easy to use. Good luck.
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Unread 06-29-2013, 08:08 AM   #10
steff
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Quote:
Originally Posted by rplivin View Post
3/16" and 1/4" from prop valve to m\c. All the rest are 3/16". If you have the old fitting most stores will let you match them up. The sizes are posted somewhere just search. I used the poly line from advance auto easy to use. Good luck.
+
1/4" for rear axle
3/16" for the front
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Unread 07-02-2013, 07:51 PM   #11
EBCJ7
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i'm looking at doing the same in the near future so i have a question can i just use 1/4 tubing for all of my brakes or do i have to use 2 sizes?
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