anyone add a breather?
Happy CL-S Pilot
Joined: Jan 2001
Posts: 9,215
Likes: 1
From: Nashua, NH, USA
I do not know if this will help in anyway...
If you have a CAI....It it's even better the engine will breath cooler air rather than hot... air flow will not increase with this small cap-like K&N filter!
If you have a CAI....It it's even better the engine will breath cooler air rather than hot... air flow will not increase with this small cap-like K&N filter!
S/C'd Accord Coming Soon!
Joined: Jun 2000
Posts: 908
Likes: 0
From: Lafayette, LA | Houston, TX (Weekends)
I have heard mixed reviews about using breather filters... Some say it can even be harmful to the engine but I don't know enough about what EXACTLY that hose does anyone to forumalte a theory/opinion of my own.
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Suzuka Master
Joined: Sep 2000
Posts: 9,431
Likes: 0
From: Woodstock, GA
Just a crank case breather, it allows some of the crank case fumes to escape and not be recirculated back into the intake tract.
Pretty worthless nowawdays and will probably cause you to fail emissions tests if they use a sniffer. Any gains would be neglegible...
Pretty worthless nowawdays and will probably cause you to fail emissions tests if they use a sniffer. Any gains would be neglegible...
Banned
Joined: Jan 2001
Posts: 9,151
Likes: 0
From: Somewhere between here and there, yet neither.
Originally posted by scalbert
Just a crank case breather, it allows some of the crank case fumes to escape and not be recirculated back into the intake tract.
Pretty worthless nowawdays and will probably cause you to fail emissions tests if they use a sniffer. Any gains would be neglegible...
Just a crank case breather, it allows some of the crank case fumes to escape and not be recirculated back into the intake tract.
Pretty worthless nowawdays and will probably cause you to fail emissions tests if they use a sniffer. Any gains would be neglegible...
Thread Starter
Suzuka Master
Joined: Nov 2000
Posts: 7,601
Likes: 0
From: VA
Here's more info for those who care:
Turbo cars generate positive pressure in the crankcase (through pressure leakage from the cylinder, mostly), and so a significant amount of pressurized air and oil vapor are blown out the positive crankcase ventilation (PCV) breather valve. This is normally plumbed back into the intake, which is good for keeping the atmosphere free of oil vapor, but not so good for your intake system. Oil tends to accumulate in any low points of the intake. If you've pulled off your intercooler and found two cups of oil inside, you know what we're talking about.
A fix for this is to just remove the hose that leads back to the intake. A simple K&N filter on the PCV valve outlet allows you to do this without worrying about junk being sucked into the hole under vacuum. This doesn't directly increase horsepower, but can prevent loss of horsepower from a gummed-up intake tract.
Mind you, venting your crankcase to atmosphere is against the law for street cars, but for cars that will only see track use, you can install this teeny, fully functional K&N filter. It looks just like the big filter you have on your intake, but scaled down. NOT FOR USE ON CARS TO BE DRIVEN ON PUBLIC ROADS
Turbo cars generate positive pressure in the crankcase (through pressure leakage from the cylinder, mostly), and so a significant amount of pressurized air and oil vapor are blown out the positive crankcase ventilation (PCV) breather valve. This is normally plumbed back into the intake, which is good for keeping the atmosphere free of oil vapor, but not so good for your intake system. Oil tends to accumulate in any low points of the intake. If you've pulled off your intercooler and found two cups of oil inside, you know what we're talking about.
A fix for this is to just remove the hose that leads back to the intake. A simple K&N filter on the PCV valve outlet allows you to do this without worrying about junk being sucked into the hole under vacuum. This doesn't directly increase horsepower, but can prevent loss of horsepower from a gummed-up intake tract.
Mind you, venting your crankcase to atmosphere is against the law for street cars, but for cars that will only see track use, you can install this teeny, fully functional K&N filter. It looks just like the big filter you have on your intake, but scaled down. NOT FOR USE ON CARS TO BE DRIVEN ON PUBLIC ROADS
....................
Joined: Jan 2001
Posts: 5,063
Likes: 0
From: united states
Originally posted by NOVAwhiteTypeS
Here's more info for those who care:
Turbo cars generate positive pressure in the crankcase (through pressure leakage from the cylinder, mostly), and so a significant amount of pressurized air and oil vapor are blown out the positive crankcase ventilation (PCV) breather valve. This is normally plumbed back into the intake, which is good for keeping the atmosphere free of oil vapor, but not so good for your intake system. Oil tends to accumulate in any low points of the intake. If you've pulled off your intercooler and found two cups of oil inside, you know what we're talking about.
A fix for this is to just remove the hose that leads back to the intake. A simple K&N filter on the PCV valve outlet allows you to do this without worrying about junk being sucked into the hole under vacuum. This doesn't directly increase horsepower, but can prevent loss of horsepower from a gummed-up intake tract.
Mind you, venting your crankcase to atmosphere is against the law for street cars, but for cars that will only see track use, you can install this teeny, fully functional K&N filter. It looks just like the big filter you have on your intake, but scaled down. NOT FOR USE ON CARS TO BE DRIVEN ON PUBLIC ROADS
Here's more info for those who care:
Turbo cars generate positive pressure in the crankcase (through pressure leakage from the cylinder, mostly), and so a significant amount of pressurized air and oil vapor are blown out the positive crankcase ventilation (PCV) breather valve. This is normally plumbed back into the intake, which is good for keeping the atmosphere free of oil vapor, but not so good for your intake system. Oil tends to accumulate in any low points of the intake. If you've pulled off your intercooler and found two cups of oil inside, you know what we're talking about.
A fix for this is to just remove the hose that leads back to the intake. A simple K&N filter on the PCV valve outlet allows you to do this without worrying about junk being sucked into the hole under vacuum. This doesn't directly increase horsepower, but can prevent loss of horsepower from a gummed-up intake tract.
Mind you, venting your crankcase to atmosphere is against the law for street cars, but for cars that will only see track use, you can install this teeny, fully functional K&N filter. It looks just like the big filter you have on your intake, but scaled down. NOT FOR USE ON CARS TO BE DRIVEN ON PUBLIC ROADS
Speaking of Filters, I need to clean mine soon I guess. Although the last time I looked at it (about 2 weeks ago) it still looked fine. eh...
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