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Old 03 June 2005, 02:55 PM
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16vmarc
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Question Green Breather Filters

What bore size do Imprezas have?

Breather filter Inlet Bore Size 10mm Overall Length 40mm
Breather filter Inlet Bore Size 15mm Overall Length 40mm
Breather filter Inlet Bore Size 20mm Overall Length 100mm
Breather filter Inlet Bore Size 20mm Overall Length 50mm
Breather filter Inlet Bore Size 8mm Overall Length Lowers: 30mm


And will fitting one affect any emmisions tests?
Old 04 June 2005, 03:13 PM
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Anyone?
Old 17 June 2005, 04:18 PM
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Old 18 June 2005, 01:16 PM
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Dyney
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Where do you want to fit it?
Old 18 June 2005, 02:10 PM
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I thought there was only one place they could be fitted?
Old 19 June 2005, 10:51 AM
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you could fit one wherever you so choose, but might suggest they wont be too clever at PS fluid or Coolant.
now, assuming that you are talking about crank/cam breathers then dont bother,
they look pretty on the outside, but get gunged up on the inside.

much better to vent the lines down to the road and tie them off at the ARB or similar.
Old 03 July 2005, 05:49 PM
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Can anyone suggest a good place to fit one then?!!
Old 03 July 2005, 07:13 PM
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on the crank or cam breather lines once you have blanked the recirc to inlets off.
if you have bought them already then go for it
if you havent then dont buy them, vent them to the arb with 1/2" B&Q hose or 12mm coolant line from Halfords etc
Old 04 July 2005, 12:21 PM
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Already bought lol
Old 04 July 2005, 06:41 PM
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do you have a catch can as well?
if not then you need 3 breather filters, if you do then 1 will suffice, you run the breather lines into the catch can and use the filter on a vent from that
Old 04 July 2005, 07:14 PM
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Originally Posted by Peanuts
much better to vent the lines down to the road and tie them off at the ARB or similar.
this is *technically* illegal iirc, and you could possibly maybe perhaps fail your MOT for venting oil fumes direct to atmosphere.
Old 04 July 2005, 07:34 PM
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morpheous
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Why ?



Originally Posted by tath
this is *technically* illegal iirc, and you could possibly maybe perhaps fail your MOT for venting oil fumes direct to atmosphere.
Old 04 July 2005, 08:13 PM
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I believe it possibly may could make the exhaust emissions friendlier for said MOT station.
Old 04 July 2005, 08:26 PM
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Its not a requirement for the mot unless its leaking oil onto the road at a certain rate ( not sure of rate off the top of me head )
Was rewiring Alinson gearbox today at a council depot,you know one of those smelly Dennis bin wagons and if you dare to venture underneath youll see a six pot cummins with 2 breathers vented to air smoking like a good un,as theres also one from the gearbox,
Why would this be anything to do with emisions ?
Originally Posted by Peanuts
I believe it possibly may could make the exhaust emissions friendlier for said MOT station.
Old 04 July 2005, 11:21 PM
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tath
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nah venting crankcase fumes to atmosphere without either filtration or feeding back into echaust is illegal.
Old 05 July 2005, 12:35 PM
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Can you tell me how and why pls ?
Originally Posted by tath
nah venting crankcase fumes to atmosphere without either filtration or feeding back into echaust is illegal.
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