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RB25DET Catchcan Help

JayJay777
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JayJay777 Contributor

JayJay777

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Hi everyone. Hope everyone is having a good long weekend.

I have been working on my engine for a while now and I’m now only just putting it back together. Ive bought a catch can (with breather) on it and was going to run it like how I’ve seen it online. Which is straight from the rockets to the catch can. Or so it seemed to me. But I’ve noticed that the pcv from the turbo side of the engine doesn’t have anywhere to go if that’s the case. And because I took such a break I forgot what my plans with it were, I’ve got the intake pcv to the throttle side blocked off already but I need advice on what to do now. I’ll show what my engine is looking like right now but would love to know what to do with my lines and all. Maybe I’ve missed something I’m not sure.

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JayJay777 Contributor

JayJay777

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13 minutes ago, GTSBoy said:

The best way is..... to just keep the system exactly as stock, but with the catch can inserted between the rocker and the turbo inlet. PCV working, no venting on the catch.

What is the other option, even if it’s no so easy?

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JayJay777 Contributor

JayJay777

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16 hours ago, Dose Pipe Sutututu said:

Block off the PCV, block off the feed back to the intake.

Run both fittings off the cam covers to the catch can.

Be prepared to enjoy Eau de Oil Vapour.

This may sound dumb but what do you mean when you say eau de oil vapour XD

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GTSBoy Grand Master

GTSBoy

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The stink of crankcase vapours escaping from the (stupidly) vented catch can, entering the car's interior and making you feel sick.

Exactly the same as Eau de Cologne, eau de urinal, eau de diff oil.

  • Haha 2
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