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Alternative to Silicone or Viton hose?

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Old 02-18-06, 09:28 AM
  #26  
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^ Dale, I think the key word in your post(s) is/has been quality silicone lines.

Seems like there are a lot of opportunities for the unsuspecting public to be duped into buying something that is just a bunch of crap.

If the price of something seems to good to be true....it probably is. And that should be the warning bell for those that go out on e-bay or to the local parts store and find a "complete silicone hose kit" for $29.99.....
Old 02-18-06, 11:20 AM
  #27  
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possibilities?

why not stainless brake tubing to replace the factory with either rubber or silicone connecting the brake tubing to the vacuum port? the tubing is relatively cheap and a tubing bender isn't very expensive and will last a lifetime. i'm going to try this out on my fd after i get done with the major issues keeping my car in the garage.
Old 02-18-06, 12:50 PM
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Why do all that if you're still going to have rubber couplings?

After digging around in there I would not want hard lines everywhere. There are a couple of spots where a rigid sleeve would avoid kinking, but not the whole nest.

Dave
Old 02-19-06, 07:25 PM
  #29  
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Originally Posted by Goofy
At what temperature does Viton crystalize?
It depends on the grade of Viton being used. GLT is good to about -40 but is WAY more expensive than the grade we use which is "G". Ours is good -15 to -20.
Old 02-19-06, 07:28 PM
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Originally Posted by Barban
So viton is the best all around(except for price?) followed by nitrile, then silicone, then rubber? I have the rubber ones on my car now and Ive split a few. For some reason I always thought silicone was good stuff but someone here mentioned it splits w/ abbrasion? I really dont want to do the hose job....uhg.
Silicone has the weakest tear strength of ALL elastomers. There are grades of High Tear silicone but the cost would prohibit using it and it still would not be as high as any of the other materials

The splitting can be caused by higher temperatures and/or oils.
Old 02-19-06, 07:35 PM
  #31  
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Originally Posted by dgeesaman
Why do all that if you're still going to have rubber couplings?

After digging around in there I would not want hard lines everywhere. There are a couple of spots where a rigid sleeve would avoid kinking, but not the whole nest.

Dave
That's what I'm going to run for my single setup. Since my vacuum lines will be simplified it'll be easier to track down vacuum problems. But for a stock twin setup it would probably be best to go with a rubber or silicone hose.
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