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 brake line question
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ponchpowpow
Buffalo

42 Posts

Posted - 05 Sep 2016 :  2:53:18 PM  Show Profile  Reply with Quote
can someone tell me why the brake lines coming from the brake master cylinder are coiled up in a spiral rather than just straight?

should all the lines from the master cylinder be like that or just certain ones? if certain ones, which one in particular?

thanks

GtoGuy32
Cochise

USA
842 Posts

Posted - 05 Sep 2016 :  6:28:13 PM  Show Profile  Reply with Quote
My understanding is that they act as a strain relief when the body moves with respect to the frame.

It also allows for a little extra material available when fitting the lines to the car.
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Cowpatty69
Sitting Bull

USA
137 Posts

Posted - 05 Sep 2016 :  9:21:40 PM  Show Profile  Reply with Quote
I was told early on that the coil makes up some the length difference from the passenger side and driver side- to keep the pressure equalized. The metering block takes care of that from front to back. May be a wive's take, but made sense too me.

Got Poncho?
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67drake
Sitting Duck

Azerbaijan
1501 Posts

Posted - 06 Sep 2016 :  08:31:20 AM  Show Profile  Reply with Quote
Liquids don't compress. So that does not make sense to me. I think,like GTOguy wrote,that it is to give the lines some slack.


71' GTO Original 400 M20 3.23 posi
13.95@102.1 MPH on street tires
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Blued and Painted
Chief PONTIAC

USA
3405 Posts

Posted - 06 Sep 2016 :  09:16:20 AM  Show Profile  Reply with Quote
there is quite a bit of movement betweem frame and body. More so on the F-body.


Bull Nose Formula/ 461/ Q-Jet/
TH400/ 3.08 8.5 / R44TS.
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ponchpowpow
Buffalo

42 Posts

Posted - 06 Sep 2016 :  10:38:15 AM  Show Profile  Reply with Quote
thanks for the replies.

it all makes sense. ive seen some cars with it and some without. it seems rather bulky to have all the lines coiled up in one spot but I figured there was a reason for it.
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Kiwi Mal
Cochise

New Zealand
690 Posts

Posted - 24 Sep 2016 :  3:45:55 PM  Show Profile  Reply with Quote
The ones without may find themselves without brakes on day due to the pipe fracturing.
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