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Flexible Brake Lines


Guest mchi3am2
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Guest mchi3am2

Hi all,

 

I need some advice as I can't figure out what the best course of action is.

 

I have fitted 2 rear sierra disc brake calipers to my GBS zero and now need some flexible hoses to connect to the chassis bulk head. My original plan was to use an M10 banjo on the caliper end and a female swivel union at the chassis end (I've used bulk head connectors to terminate the fixed lines).

 

Is that the correct thinking? I can't get any good pictures of what other people have used on flexible lines so I'm not sure if I should use a banjo (rather than screwing straight into the caliper). Are bulkhead connectors a waste of time? Do banjos cause problems?

 

Some will suggest just buying the parts from kit spares but I haven't used the Ford OEM calipers (I got some Wilwood power lites instead) so I don't think the kit spares part would fit.

 

I'm not planning on building the braided lines, I'm going to get Furore to make them as I've seen some good comments about them.

 

Finally, do I need to use any threading compound for the brake lines (like one would with PTFE tape on plumbing)?

 

Thanks in advance,

 

Andrew

 

 

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Guest 2b cruising

You can use any secure system you like.

I prefer fitting a double male into calipers and then female swivels on both ends.

Just don't get long male fittings as they will stick out to far.

Make sure male fittings have the correct sealing angles on the mating surfaces. This means you can do without copper washers, and have a stronger seal.

Banjo's will get you through I've, but they can be caught by other parts or foreign objects from the road. That's the only reason I won't use them on braking circuits. Fuel pipes tend to be in more secluded places.

If you can get a look at an old Triumph type front end, you will see the ideal set up for running front flexi hoses.

They run from the chassis from a point virtically and horizontally level with the center of the uprights.

They then fix to a bracket on the uprigh with a metal pipe going from that bracket to the caliper.

This brings about two main things. A much shorter flexi pipe is needed. There is much less movement required by the flexi giving a much longer life and far less chance of chaffing on moving suspention or steering parts.

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Guest mchi3am2

Okay cool, thanks for all the advice.

 

I'm assuming I don't need to use something like PTFE tape, just tighten all the unions nice and tight?

 

Thanks,

 

Andrew

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Guest 2b cruising

Under no circumstances should ptfe tape be used with hydraulic oils.

Copper or Dowty washers to flat surfaces, or union to union.

Edited by 2b cruising
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