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Vinyl tubing, can it handle the heat?

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Old 01-15-2008, 04:25 PM   #1
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Vinyl tubing, can it handle the heat?

I am about to change out my diffs so it seems like the best time to finally do the front diff breather extension.

For the rear I just shoved some clear ( I wanted to see if gear oil was getting pushed up and getting stuck) vinyl tubing ( 5/16"). I wasnt worried about heat because its so open. On the front the tube is going to be RIGHT against the oil pan, think this stuff will melt?


So Can I use the tubing or should I just forget it and buy some fuel hose instead.

p.s these fittings are impossible to find around here! I got some 1/8th thread brass fittings, they are a micron bigger then the stock breather!
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Old 01-15-2008, 04:34 PM   #2
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I would suggest that you go with the fuel line. The vinyl tubing is /was used on some of the machines I work on at Intel, it seems to get brittle after being exposed to some temp ranges (150-225*F) As far as the tubing resting against the oil pan, you might be able to use a spring or zip tie to keep it a reasonable distance away...
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Old 01-15-2008, 04:39 PM   #3
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i used a yellow air compress hose, but in half one for the front and rear. i works good.

and if you dont like the fittings you have try some nissan ones they have a nice long stem on them to attach a hose.

heres the link with the nissan part number, i paid about 7 for both.
http://toyota.off-road.com/toyota/ar....jsp?id=186211
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Old 01-15-2008, 04:42 PM   #4
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if you do choose to wrap the line by the oil pan I would think that a spring would still transfer alot of heat, maybe some heat wrap like for headers or something. I'd watch that clear tubing just in case. there are a few clear tubes that used to run oil to my jetski that were pretty close to the engine and they did alright, but the did get brittle after a while. I run mixed fuel so they are gone now
kind of a neat idea though!
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Old 01-15-2008, 05:13 PM   #5
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Well, since the oil pan is so friggin close to the breather the tubing is going to be mighty close. Since I would rather not find out the hard way, im just going to break down and buy some fuel line instead. It wouldve been nice to use this clear stuff though.
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