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PCV with weber manifold?
Just popping in
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2012/2/3 23:32
From Adelaide
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Hi guys what are people doing with there pcv when using weber manifolds without a pcv inlet? Using a catch can or other ideas?
Cheers

Posted on: 2014/8/31 0:23
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Re: PCV with weber manifold?
No life (a.k.a. DattoMaster)
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I have ITBs and a custom manifold (not a webber but same deal). I ported the pcv to each runner through a vacuum tree with 4mm vacuum hose to each port. Does the job.

To get into the runners I used M6 brake bleed screws (from ebay), cut the seat off and ran a drill (3.5mm I think) down the guts to remove any burrs.

Posted on: 2014/8/31 1:48
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Re: PCV with weber manifold?
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Picks lamby????

Posted on: 2014/8/31 7:25
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Re: PCV with weber manifold?
Just popping in
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Yeah mate do you have any pics or anyone else on what there doing?

Posted on: 2014/8/31 12:01
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Re: PCV with weber manifold?
Home away from home
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On my A12 with a single DCOE 40 carb I drilled and tapped the underside of the manifold that feeds #3 and #4, screwed in a 90 degree fitting then screwed the PCV valve into that.

Posted on: 2014/8/31 20:40
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Re: PCV with weber manifold?
No life (a.k.a. DattoMaster)
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Here's a pic of the barb in the Throttle body, it is a 3.5mm bore, checked with the verniers.

You can also see the 4 into 1 tree in the pic, there's a check valve inline between there and the block breather. It looks a little rough but it's a work in progress. I was going to add an adjustable restrictor to control idle but it wasn't necessary, 3.5mm diameter per port worked out pretty good.

Attach file:



jpg  PCV-1.jpg (148.31 KB)
11744_54042d0872712.jpg 258X457 px

Posted on: 2014/9/1 9:28
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