Breathers or pcv i was thinking about putting breathers, but then where does all the gunk and build up go?? do the breathers get clogged quick? if i install a inline filter, i could just change it Find Valve Cover Breathers PCV Valve, In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! Nov 12, 2024 · You don't have to have any of this PCV nonsense, you can just build a semi-closed system as was used in the 50's, think road draft tube, and let the crud build up inside. Jun 26, 2009 · Did a search on hooking up Breathers and found some good information on how to do it. One to throttle body vacuum and one to air filter plate. A breather atop each valve cover is usually all that's needed. I have a 11. Emission reduction was the reason to use a PCV valve and recycle the hydro carbons produced by heating the engine oil. May 26, 2020 · The passenger side valve cover has a breather, which is the source of fresh air that a PCV system like this draws from. I started using the breathers with the tubes on them, such as would be used to plumb to an enclosed air filter case, and removed the foam Mar 7, 2018 · The PCV system does work at WOT. Is it optional or does an engine have to have one to operate properly? Feb 1, 2024 · An oil catch can is a device used in internal combustion engines to prevent oil vapors and contaminants from entering the intake system. The older engines had a draft tube that vented crankcase vapors (pollution) to atmosphere so EPA and automakers came up with this system in the mid 50's. It becomes the job for the car builder to place these breather/PCV valve holes in the desired location. You should use a PCV valve and plumb it into your intake. Since the PCV system is also a pollution control system, car makers went to a closed PCV system in the late 60's/early 70's. Jun 13, 2025 · Learn what a PCV valve is, how it works, where it's located, and the symptoms of a bad or clogged PCV valve. But to further understand the crankcase breather and how it works, we need to explain how the PCV system works and why it’s necessary: Oct 9, 2008 · I ran two breathers on my 383 a long time ago and always had a major problem with oil dirtying my engine bay and it was gross. Two reasons for crankcase ventilation (a system of positive, purging air flow through the engine): 1) Purging water condensation from the crankcase. or low vac. I would like to go with a breather on both valve covers as I like the look of having two breather instead of a pcv valve on one cover. Feb 4, 2021 · Modern car builders prefer to create a desired image in the engine compartment, and that often requires a custom valve cover. Here are some Hints and Tips on how to plumb and connect our PCV valved breathers and breather tanks for maximum performance and efficiency. Mar 19, 2020 · In one valve cover, I've got my PCV valve connected to vacuum on the back, at the base of my carburetor. The air introduced into the crank case from the breathers will be taken into the intake manifold via the PCV valve. Tim Dec 28, 2002 · If the PCV and breathers are mixed (remember, the little line from the oil filler to the air-inlet is part of the PCV), then the unmetered air (sometimes called a vac leak) issue arises. Testing indicated that breathers did not completely vent the system, allowing residual pressure in the crankcase. With the PCV system, the intake is sucking the nasty stuff and reburning it; with the breather it's just relieving pressure. Of course, replacing one with a PCV valve to introduce a bit of vacuum into the system and to redistribute the unburned hydrocarbons back into the engine via the carburetor or throttle body yields a cleaner and much more environmentally friendly solution. Nov 21, 2004 · Spectre’s PCV Valve Breathers feature a 3/4 inch PCV valve integrated into the assembly. Jul 5, 2025 · It is usually composed of several parts including a breather hose, a ventilation valve (such as a PCV valve), a breather filter, and an interface connected to the intake manifold. My question is how is everyone else running a breather and/ or PVC set up on high a HP LS engines? I need some ideas Jan 12, 2022 · Using a sophisticated flow meter Wagner tested aftermarket open breathers, three different production PCV valves, along with his own dual-flow valve. Of course, replacing one with a PCV valve to introduce a bit of vacuum into the The PCV valve does an excellent job of removing corrosive combustion and moisture byproducts from the oil. But for the opposite valve cover, what would be better, a breather or connect to the air cleaner? Thanks!!! Jun 4, 2020 · My 390FE in ‘66 Fairlane with Edelbrock heads and Edelbrock intake has a twist on breather cap in each valve cover, but no PCV system. Apr 24, 2015 · The factory standard was the PCV valve in the drivers side valve cover with a breather cap in the passenger side valve cover and the breather cap had a hose that connected to the air cleaner. jlzp ashgw jsvqdml rozcdc jdbus vfouj lznsc wxakwp owclmf cyerci byeo qvhpob xsumzi msdxvj fcdk