What hose for engine breather pipes?

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duncan
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What hose for engine breather pipes?

Post by duncan »

I am going to need to get a load of new tubing for the catch can relocation and wondered whether there was any reason why alternative hosing couldnt be used such as Samco or braided stuff?

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Gerry H
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Post by Gerry H »

Braided PVC will harden with the oil and heat. Silicone doesn't like oil too much but it gets used, reinforced rubber, of the right grade, would be fine. Or, if you want the fancy look, go for stainless braiding. Pirtek do a braided PTFE that's an arm and a leg and would want terminating with fittings.
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Fast Eddy
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Post by Fast Eddy »

Duncan,
The silicone companies do a flouro lined hose, but this is expensive. I use oil cooler cose which is oil transfer compatible of course.
How much do you need and what size?
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duncan
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Post by duncan »

about 3 metres i think
and i think it is 12mm ID but not 100% until i get the car back here tomorrow and measure

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Post by Fast Eddy »

If so 1/2" oil cooler hose would be ideal.
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duncan
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Post by duncan »

big question - is it cheap :D ?

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Gerry H
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Post by Gerry H »

The heads are about 1/2" but the crankcase is bigger, on mine anyway. Does your engine use both crankcase breathers?
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duncan
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Post by duncan »

I dont think so Gerry - they are only 3 breather pipes connected to the can. I dont think they are t pieced together.

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Gerry H
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Post by Gerry H »

I'll check in the morning what size I've used.
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Post by Fast Eddy »

Duncan, standard R6 cooler hose is very reasonable :-D
I also have this in stainless braided and at the top end of the scale some nice blue Aeroquip which is what i have used for the catch tank on my Pulsar. You can choose whjat you want if you make it to the shop next week unless you want it sooner.
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