The Positive Crankcase Ventilation system is a calculated vacuum leak, that the engine control module uses several inputs to account for this air. You have effectively eliminated the ability for this system to evacuate raw fuel, water vapor and gaseous carbon deposits because it needs fresh clean air to enter on one end, scour the crankcase and exit via an area of negative pressure behind the throttle valve. This engine has none. The area before the turbo should be the WOT default using a check valve that closes during operation when the intake has less pressure than the crankcase. The check valve in the OEM PCV is to protect engine seals from lean fuel conditions or ignition system malfunctions that would cause backfire. For the catch-can to work correctly, it needs cool air around it to condense gases and some type of media to coalesce the gasses onto, so it can change into a liquid then gravity & vibration will allow it to drip and be caught on the can. There’re is no normal PCV malfunction that would allow gasses or fumes into the combustion chamber to create knock, pre-detention or premature ignition. This is normally controlled by the fuels anti-knock value displayed on the pump, shown as “M+R divided by 2” commonly know as octane rating. Only if the camshaft timing, ignition timing or compression increased somehow. You should have placed some large stainless steel wool above the perforate plate, mounted it on the core support, retain the OEM PCV valve to the cans inlet, outlet check valve to per-turbo inlet and the main out back to the intake fitting now plugged with a titanium bolt. Sorry! ASE Master Tech since 1978, +L1 Emissions (100 questions) No brag, just fact.
If anything the system has been improved, it's always under vacuum conditions thanks to the sealed system being attached to the intake and the air is all metered because it's behind the MAS, the check valve is no longer needed because the intake never sees boost
@@1magnit I agree. The PCV valve is an “Active -Re Active valve”. It allows a slight vacuum under most driving conditions but opens under below WOT throttle. But it closes if any lean condition occurs in the engine and causes it to close.
I bought the same can. I also bought a 10 AN 3/8” NPT fitting for the middle port on the can. I then bought a weld on 10 AN fitting and welded it onto my intake pipe. This is an easy and inexpensive fix for those of you needing a larger vacuum source than what this can was capable of providing.
I have a coworker who goes by the name JR, sometimes I goof up and call him RJ. He gets so pissed off because of the MAJOR difference. He doesn't take me seriously now. Bummer.
@Spencer Morgan >The PCV systems remove crankcase fumes, while the PVC systems remove all of the plastic from the crankcase. So now, both problems are covered. ;)
Any idea why after doing this same exact set up...I smoke while under wot/boost crazy I know!!! Do I need a check valve inline or do I need to reinstall my PCV
I wonder if you need the out to be twice the size of the ins? I like this can and have seen them online but it seems the out will be choking. I could be wrong of course.
Good observation, when it comes to catch cans I believe bigger is always better when it comes to port size. However, in my situation my blow by is little to none so I know i can get away with the current size provided. Maybe down the road as my motor ages I'll look into increasing IN/OUT port size.
New to dsm’s (3g guy, just bought my first 4g63t and am loving it) would this set up affect the idle at all with the intake manifold being blocked off?
oscar gallardo you’ll need to modify your new intake to create a source of vacuum. That’s the only thing pulling air during boost where crank case pressure is at its highest.
oscar gallardo 37/64s drill bit, 3/8npt tap, and a center punch. Also there's gonna be a lot of metal shavings. Drill and tap your Fp intake, put a 3/8npt hose barb fitting in, and run the line to the top of your catch can. This will grab a lot of gas (and bits of hydrocarbons) if you use e85, think of it as the gas in that catch can would've been in your oil.
Got mine on sale, might want to wait till they go back on sale. www.ebay.com/itm/3-8-NPT-Aluminum-Car-Compact-Baffled-Oil-Catch-Can-3-port-Black-Universal-Black/142581683509?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
Do u have a part number for the fitting u used instead of the pcv valve....I tried to drill it out and it’s not a ball is a huge solid type rod/cylinder. Inside with springs.... no way u can drill that cylinder out.... thanx
My GDI vehicle has 64,457 miles in it. I clean the intake valves every 5,000 miles since i got the car brand new. There is no need of a catch can. My car performs amazingly. Just do your vehicle maintenance. Also the oil you use plays a big part in your GDI engine. I use oil that is for GDI engines.
40 psi crankcase pressure?? You and your buddies have your hoses routed incorrectly. Your crankcase should never be under pressure. You’ll blow your seals out
Finally a video explained how a catch can works thank you for the effort and time you spent on this video great job and thank you
PCV Valve mate (not PVC), positive crankcase ventilation!
Thanks for the clarrification. Got me thinking PCV to PVC.
The Positive Crankcase Ventilation system is a calculated vacuum leak, that the engine control module uses several inputs to account for this air. You have effectively eliminated the ability for this system to evacuate raw fuel, water vapor and gaseous carbon deposits because it needs fresh clean air to enter on one end, scour the crankcase and exit via an area of negative pressure behind the throttle valve. This engine has none. The area before the turbo should be the WOT default using a check valve that closes during operation when the intake has less pressure than the crankcase. The check valve in the OEM PCV is to protect engine seals from lean fuel conditions or ignition system malfunctions that would cause backfire. For the catch-can to work correctly, it needs cool air around it to condense gases and some type of media to coalesce the gasses onto, so it can change into a liquid then gravity & vibration will allow it to drip and be caught on the can. There’re is no normal PCV malfunction that would allow gasses or fumes into the combustion chamber to create knock, pre-detention or premature ignition. This is normally controlled by the fuels anti-knock value displayed on the pump, shown as “M+R divided by 2” commonly know as octane rating. Only if the camshaft timing, ignition timing or compression increased somehow. You should have placed some large stainless steel wool above the perforate plate, mounted it on the core support, retain the OEM PCV valve to the cans inlet, outlet check valve to per-turbo inlet and the main out back to the intake fitting now plugged with a titanium bolt. Sorry!
ASE Master Tech since 1978, +L1 Emissions (100 questions) No brag, just fact.
If anything the system has been improved, it's always under vacuum conditions thanks to the sealed system being attached to the intake and the air is all metered because it's behind the MAS, the check valve is no longer needed because the intake never sees boost
Catch cans installed wrong eliminating the PCV system , always a fail.
@@1magnit I agree. The PCV valve is an “Active -Re Active valve”. It allows a slight vacuum under most driving conditions but opens under below WOT throttle. But it closes if any lean condition occurs in the engine and causes it to close.
I bought the same can. I also bought a 10 AN 3/8” NPT fitting for the middle port on the can. I then bought a weld on 10 AN fitting and welded it onto my intake pipe. This is an easy and inexpensive fix for those of you needing a larger vacuum source than what this can was capable of providing.
That's a nice looking can. I'm using one of Calan's unit and I love it!
Oh how I love those crazy pvc valves! Its hard to take advice seriously from a guy whos calling it a pvc valve. Its a PCV valve. MAJOR difference!
I have a coworker who goes by the name JR, sometimes I goof up and call him RJ. He gets so pissed off because of the MAJOR difference. He doesn't take me seriously now. Bummer.
@Spencer Morgan >The PCV systems remove crankcase fumes, while the PVC systems remove all of the plastic from the crankcase. So now, both problems are covered. ;)
Nice set up what size oil hoses did you used?
Any idea why after doing this same exact set up...I smoke while under wot/boost crazy I know!!! Do I need a check valve inline or do I need to reinstall my PCV
Gm
What’s the link for the catch can?
Where did you purchase that catch can ? Please send link
Where can a I get this catch can
What kind of plug wires are those?
9:25 420 blaze brooo
I wonder if you need the out to be twice the size of the ins? I like this can and have seen them online but it seems the out will be choking. I could be wrong of course.
Good observation, when it comes to catch cans I believe bigger is always better when it comes to port size. However, in my situation my blow by is little to none so I know i can get away with the current size provided. Maybe down the road as my motor ages I'll look into increasing IN/OUT port size.
Thats a solid "knock off"! Where did you get it?
www.ebay.com/itm/3-8-NPT-Aluminum-Car-Compact-Baffled-Oil-Catch-Can-3-port-Black-Universal-Black/142581683509?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
David James pretty legit...I paid 200 for my radium one on my evo...this might be a good second one for the non PCV side
Great video bro..well explained.
what kind and size oil lines u get and were?
New to dsm’s (3g guy, just bought my first 4g63t and am loving it) would this set up affect the idle at all with the intake manifold being blocked off?
Michael Thomas it did at first but computer just learned to adjust for it after like 1hr of driving
TheBudgetTune sweet I plan on doing the same set up as you. Very informative video, love your dsm too
What turbo arr you running and is the ecu stock ?
I am using a “open breathing filter” on the side of the valve cover and I am still having the pcv valve installed. Is They bad then ?🤷🏻♂️
eh no, just a different setup. people argue for both
Don't use the filter on the catch can. It's like a boost leak.
Where did you get this oil catch can from?
Looks like maybe a mishimoto one
what if your not longer using the stock intake, where can you pull vacum from?
oscar gallardo you’ll need to modify your new intake to create a source of vacuum. That’s the only thing pulling air during boost where crank case pressure is at its highest.
ok thanks for clearing that up, by the way great videos bro
oscar gallardo 37/64s drill bit, 3/8npt tap, and a center punch. Also there's gonna be a lot of metal shavings.
Drill and tap your Fp intake, put a 3/8npt hose barb fitting in, and run the line to the top of your catch can.
This will grab a lot of gas (and bits of hydrocarbons) if you use e85, think of it as the gas in that catch can would've been in your oil.
Link for the catch can?
www.ebay.com/itm/3-8-NPT-Aluminum-Car-Compact-Baffled-Oil-Catch-Can-3-port-Black-Universal-Black/142581683509?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
Link no longer available. :(
Good video .. link to the can...
Got mine on sale, might want to wait till they go back on sale.
www.ebay.com/itm/3-8-NPT-Aluminum-Car-Compact-Baffled-Oil-Catch-Can-3-port-Black-Universal-Black/142581683509?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649
Do u have a part number for the fitting u used instead of the pcv valve....I tried to drill it out and it’s not a ball is a huge solid type rod/cylinder. Inside with springs.... no way u can drill that cylinder out.... thanx
just got to the junk yard and take one off the brake booster. Free.99
I have the same exact can, good choice!
My GDI vehicle has 64,457 miles in it. I clean the intake valves every 5,000 miles since i got the car brand new. There is no need of a catch can. My car performs amazingly. Just do your vehicle maintenance. Also the oil you use plays a big part in your GDI engine. I use oil that is for GDI engines.
Fuckin bravo dude
Best damn catch can vid I've seen Well explained
You rock man!
40 psi crankcase pressure?? You and your buddies have your hoses routed incorrectly. Your crankcase should never be under pressure. You’ll blow your seals out