Breather Filter's - Nissan Forum
GA16DE 1.6L Engine Engine Discussion: 91-99 Sentra, 95-98 200SX, 91-93 NX1600

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post #1 of 21 Old May 23rd, 2004, 10:49 AM Thread Starter
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Talking Breather Filter's

I've seen a few Sentra's with little breather filter's on there valve cover etc. and i was wondering what exactly they're for and if they help or enhance anything or just B.S.?
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post #2 of 21 Old May 23rd, 2004, 12:54 PM
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They don't provide hp, if that's what you were wondering.

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post #3 of 21 Old May 23rd, 2004, 01:01 PM
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ide keep it. i had one when i was all motor, and sometimes my idle seemed a lil off, and my launches were considerably slower

95 200sx se. sr20de, gt28r, bb manifold, forge fmic, greddy bov and bc, tial 38mm, walbro 255, apexi tt, 3" exhaust with magnaflow, 3" downpipe, jgy clutch flywheel and fuel rail, msd 50#'s, cobra maf, jwt ecu and s4's, nismo fpr, autometer, nissport adaptors, fal pushers, ur pulley, m/t 22x8x15 et drags.
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post #4 of 21 Old May 23rd, 2004, 01:25 PM
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got one and it blows... its a waste of money..

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post #5 of 21 Old May 23rd, 2004, 06:53 PM Thread Starter
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Thank's, i knew they wouldn't give me HP you'd have to be a glue sniffer to even consider that! Just wondered if it'd help idle, temp etc. and i now know not to waste my $$ thank's for the info!
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post #6 of 21 Old May 23rd, 2004, 08:02 PM
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post #7 of 21 Old May 23rd, 2004, 08:09 PM Thread Starter
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I have no idea what they're for exactly but some guy's seem to have them on their car's, anyone know?
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post #8 of 21 Old May 23rd, 2004, 08:16 PM
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im gonna go buy some and put them on my air vents, cause they are filters right, that way i can breathe faster and get more hp. im gonna go ut some type r stickers while im at pepboys and get some hubcap spinners for my SE-R wheels. i cant go an any more cause im making myself sick but hopefully thatll be for a good laugh.
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post #9 of 21 Old May 23rd, 2004, 09:12 PM
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what the hell are they supposed to be for?
For nothing. Just a cosmetic/rice mod.

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post #10 of 21 Old May 23rd, 2004, 09:24 PM Thread Starter
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Rice mod's are just a waste of $$$. Thank's for the info!
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post #11 of 21 Old May 23rd, 2004, 09:41 PM
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Well I've got one, and it does have a purpose. I modified my airbox so it would be a WAI and in the process got rid of the AIV and redid the PCV system, the filter goes in place of the hose that used to go from the valve cover to the air cleaner. Now instead of the blow-by gases being fed back into the intake and leaving an oily residue on everything, it just gets vented to the atmosphere. You should also install a catch can when doing something like this but 2 or 3 drops of oil a week doesn't bother me. On higher displacement/hp engines this has been said to increase power since the oil vapors would normally combine with the fuel vapors and decrease it's octane.
Of course you're not going to see any noticable gains with a 1.6l though.

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post #12 of 21 Old May 23rd, 2004, 09:42 PM
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on some cars (i don't know which ones) the valve cover has negative pressure, and removing the breather tubes leaves the opening exposed and dirt could get in the oil. I know on my brother's Impala SS, he installed a K&N FIPK, and he took the breather hose off the intake tube, and put a breather filter on it. Not because he wanted to, but K&N said so and included one. On I4 imports though, they usually don't do anything. On my SR20, the cam cover actually has positive pressure. Removing the oil cap while running makes noise and pushes air out, along with lots of oil spray. The breather on ours takes air and sends it back through the intake. Bypassing this, and putting on a mini filter will have no performance gains at all. Most people do it because it looks good and makes sense to them. I'm gonna be installing a short ram intake in a friend's 93 Civic, and the intake tube has no holes in it for breathers or temp sensor. I told him to put a filter on just to keep airborne dirt out of the cam cover.

My Whip Stillen 4-1, WAI, 2.5 Catback.
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post #13 of 21 Old May 23rd, 2004, 09:59 PM
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I put breather filters on my car. I'm glad I did. The one valve( I think AIC) got clogged and I noticed some oil coming out of the breather filter. Don't want that going into the intake.

Mitch
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post #14 of 21 Old May 23rd, 2004, 10:40 PM Thread Starter
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So instead of the blow by oil going into your intake it escape's through this filter? Do you get any oily residue all over your engine bay though? I guess it's one of those thing's you try or you don't, i have 220,000km's on my car and it doesn't burn/lose a drop of oil between service's so i'll just leave it prob instead of causing a prob i don't want later!
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post #15 of 21 Old May 24th, 2004, 01:43 AM
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on our cars, they are a waste of $8, got mine for free...

Quote:
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I can't wait until Hurrican Jamal sweeps up the east coast and steals the wheels and stero out of your car
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