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View Full Version : are compression fittings ok for brake lines?



Steve1968LS2
12-15-2004, 06:40 AM
Installing a rear proportioning valve and it comes with compression fittings.. i thought you were supposed to only use flare fittings on brake lines..

Whats the deal? Are compression fittings fine?

Thanks for the info :)

69boo307
12-15-2004, 07:20 AM
I'd be scared of that myself, brake lines can have some incredible pressure under hard braking. But then again, I'm no engineer.

68protouring454
12-15-2004, 07:42 AM
iwould use the doubleflare,as compression fittings on brakelines are illegal in most states,but i doubt one would ever fail.
jake

CamaroAJ
12-15-2004, 07:54 AM
compression fittings are illeagal in ohio if they are made of anything other than steel. i wouldn't use them on my car because i think they look half assed

Hydratech®
12-20-2004, 01:55 PM
We strongly advise against the use of compression fittings...

Steve1968LS2
12-20-2004, 03:00 PM
We strongly advise against the use of compression fittings...

Thats what I thought.. i noticed that my shop used them and when I asked them they said that the compression fitting came with the Wilwood rear valve.. I doubted this but want to check before I called them out on it :)

Thanks.. i see flair fittings in my future..

dennis68
12-20-2004, 03:06 PM
compression fittings in a brake line............HELL NO. If I saw that in my shop there would ass all over the place, I am getting pissed off just thinking about it. 10-9-8-7-6-5-4-3-2-1...OK.

Steve1968LS2
12-21-2004, 08:25 AM
compression fittings in a brake line............HELL NO. If I saw that in my shop there would ass all over the place, I am getting pissed off just thinking about it. 10-9-8-7-6-5-4-3-2-1...OK.

Yea, I was surprised to see it as well.. but the shop is very good so I wanted to make sure I wasnt crazy :)

They said the fittings came with the Wilwood valve but I doubt that.. musta been from something else...

BADVELLE
12-22-2004, 10:05 AM
compression fittings in a brake line............HELL NO. If I saw that in my shop there would ass all over the place, I am getting pissed off just thinking about it. 10-9-8-7-6-5-4-3-2-1...OK.

I 2nd, 3rd, 4th, those comments!!! We use them on our product (in another industry) for the trans cooler lines and have had numerous issues with them blowing off. Brake lines, unbelievable a shop would ever attempt that, absolutely ridiculous.