brake line questions - Impala Tech
Brakes & Suspension Conversion Questions & more

 
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post #1 of 2 (permalink) Old 07-28-2015, 09:08 PM Thread Starter
 
 
Join Date: Dec 2012
Location: walker,wv
Posts: 16
 
brake line questions

looking at getting prebent brake lines from inline tube but all they list is for power drum dual master cylinder no listing for disc.is there a difference in line size disc versus drum?
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post #2 of 2 (permalink) Old 07-28-2015, 09:53 PM
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Join Date: Jan 2006
Posts: 12,458
 
No. Same size tube, same double flaired compression nuts at the wheel cylinders.

There is a slight difference in the size of the hex head on the nuts at the master cylinder (I believe the threaded holes are the same for both drum or disc in the master cylinder) but the nuts are a different size.at the combination valve required for disc brakes to work properly.

You can find the some 3/16 inch steel tubing and the nuts at NAPA or attempt cut them off and reuse yours after double flairing the tubing if you want to try and rig up some pluming to get the fluid from the master cylinder to the comination valve.

Basically everything but the final six inches is the same. Because the disc brake uses a combination valve that the drum brake doesn't the plumbing has to be modified to change over, but it is fairly simple, if you have a tubing cutter and a good double flairing tool.

Big Dave
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