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Ecklers AutoMotive
Username Post: Anyone know brake line diameter?        (Topic#357590)
Eth727 
Silver Supporting Member
Posts: 204
Eth727
Loc: San Diego
Reg: 04-17-19
08-09-19 03:32 PM - Post#2772829    

Hey guys I'm replacing all my brake lines. Does ananyone know the diameter? Isn't it 3/16ths?



 
Ecklers AutoMotive
wagonman100 
Super Senior Member
Posts: 14298
wagonman100
Loc: Baltimore, MD
Reg: 11-27-04
08-09-19 06:27 PM - Post#2772841    
    In response to Eth727

Should be 3/16”.

Jay
Friends don’t let friends drive Fords.

1999 Silverado Z71 4X4 extra-cab short bed
1983 Malibu Fauxmad - tubbed
1978 El Camino Kustomized
1972 Monte Carlo
1957 210 handyman wagon
1957 Nomad sport wagon
1957 Cameo Carrier


 
Eth727 
Silver Supporting Member
Posts: 204
Eth727
Loc: San Diego
Reg: 04-17-19
08-09-19 10:30 PM - Post#2772857    
    In response to wagonman100

Ok thanks



 
1belair1954 
Poster
Posts: 96

Reg: 12-24-12
08-10-19 10:45 PM - Post#2772939    
    In response to Eth727

On my 1960 El camino and other models there is a section that is I think a 1/4" it goes from master cylinder to the brass T junction from memory.
I did all my lines recently I used copper-nickel lines really easy to flare and bend.
I bought a kit off ebay had everything I needed Its easier to buy a kit that is flared just need to bend and install.



Edited by 1belair1954 on 08-10-19 10:46 PM. Reason for edit: No reason given.

 
japete92 
"5th Year" Silver Supporting Member
Posts: 1240
japete92
Loc: No. Virginia
Reg: 01-18-13
08-11-19 06:34 AM - Post#2772947    
    In response to Eth727

  • Eth727 Said:
Hey guys I'm replacing all my brake lines. Does ananyone know the diameter? Isn't it 3/16ths?



Because you are also changing the master cylinder (to a 'dual'), I suggest you mimic the brake line 'runs' (and sizes) of a full size Chevy from a year that had the dual master cylinder and the drum brakes all around.

The systems I'm familiar with (just a couple) had a distribution block that had the ability to sense pressure drop in either brake line (front or back) to power the brake failure idiot light. Personally, I'd leave it out of a car not designed to have it. There are other opinions on that. Choose yours.

That's simply a suggestion that makes sense to me because I'd be 'borrowing' the GM engineering rather than doing my own.

Pete





 
Eth727 
Silver Supporting Member
Posts: 204
Eth727
Loc: San Diego
Reg: 04-17-19
08-11-19 11:17 AM - Post#2772962    
    In response to japete92

Yeah I can go with a '67 brake line route



 
Eth727 
Silver Supporting Member
Posts: 204
Eth727
Loc: San Diego
Reg: 04-17-19
08-11-19 04:44 PM - Post#2772982    
    In response to 1belair1954

Hi. Do they have preflared copper brake lines?



 
Eth727 
Silver Supporting Member
Posts: 204
Eth727
Loc: San Diego
Reg: 04-17-19
08-12-19 04:15 PM - Post#2773068    
    In response to japete92

The issue with going with a '67 brake line route is that mine has a x-frame configuration and a 67 uses a H-pattern.



 
PLS 
"7th Year" Silver Supporting Member
Posts: 1407
PLS
Loc: Smyrna, Georgia
Reg: 06-07-12
08-12-19 06:03 PM - Post#2773082    
    In response to Eth727

I’m pretty sure that using regular copper for automotive brake lines is a no no😱



 
1belair1954 
Poster
Posts: 96

Reg: 12-24-12
08-13-19 02:26 AM - Post#2773108    
    In response to PLS

Yes copper is a no no but CUPRO/NICKEL (copper/nickel) is good material to work with and rust resistant.



 
japete92 
"5th Year" Silver Supporting Member
Posts: 1240
japete92
Loc: No. Virginia
Reg: 01-18-13
08-13-19 05:44 AM - Post#2773117    
    In response to Eth727

  • Eth727 Said:
The issue with going with a '67 brake line route is that mine has a x-frame configuration and a 67 uses a H-pattern.



I suggested to 'mimic'; i.e. use the portions of the configuration that are adaptable (line size and general 'run'?). You are 'custom'; lots of mods to make.

Just trying to be helpful.

Pete



Edited by japete92 on 08-13-19 05:46 AM. Reason for edit: No reason given.

 
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