Greg that bottom port can also be used to run a drain line out of the catch can, you just get a threaded/barb fitting 90° ball valve and some hose and clamps and voila drain from the bottom.
That's the tiniest catch can I've ever seen. To anyone from Australia watching, a can this size will not meet CAMS regulations for track events. Most MX-5's will require a 2-litre can to meet requirements.
Even if there is 2 litre catch can (never seen one in my life) People will mistake it with dry sump reservoir... I mean thats huge. 2 litre? It's half the motor oil capacity
Not really that big, and it's a regulation requirement in Australia, see here for my video on installing it in my Miata: th-cam.com/video/YwMrjyXVKeo/w-d-xo.html
the God pcv valve eliminates most of the need for a catch can on the pcv valve side since it's designed for turbo cars. Running it the way you show will mostly collect oil at vacuum and low rpm situations when crankcase pressure is more than boost pressure. In 17 years I typically have not see a lot of oil coming from that side. Under boost the crankcase pressure will be sent out the breather on driver side. In my experience most of the blowby on my boosted car has come from that breather and the best alternative is placing the can on the valve cover vent side directly pre turbo. Most of the time I see open atmosphere is when there is no intake on the turbo. In the case you can run to a catch can with a filter on top.
I think you got the right idea. With a boosted engine they don't recommend venting to atmosphere, always ends up soaking the filter with oil. And soiling your nice clean engine. Keep it up bro, can't wait!!
Thanks again Greg! I've watched a few different vids on how to hook a catch can up and some of them weren't really clear. No problem understanding after watching this video. Your videos have helped me take my slow 1990 1.6 into a very fun and fast car with 230hp. Mostly thanks to you cause I didn't know what I was doing at the start.
hey brotha once the car is finished and tuned you should make a full length video of every little video you uploaded building the car.. like an hour or two long compilation of the whole build from start to finish, id def watch it.
really digging that blacked out engine bay color scheme, greg! side note: if you're ballin on a budget, a Husky Air Compressor Filter works really well too. doesn't look as sick as that mishimoto unit, but its a fraction of the cost.
Hay man thanks for the video:) also wanted to ask a question what do you thank about engine oil coolers :) and when installing one you thank it would be best to cool the oil before it enters the turbo or cool the oil leaving the turbo before it re-enters the engine lol or both :)
It may be more expensive, but me personal i wouldn't run a PCV they cause too many problems. I'd replace it with a inline vacuum regulator and run about 8PSI of vacuum from the turbo. With the way you set it up now you're gonna have positive pressure in your crank case. No more than 8PSI so you don't affect oil pressure.
That screen in the can isn't really a splash guard but the oil filled vapors hit that screen and the oil collects and then drips to the bottom of the can.
Glad to help. Some people/companies will put a little bit of loose steel wool in the bottom portion of the can to aid in filtering the pcv vapors. Also, if you want, you could add a drain valve to the bottom of the can to empty it quicker. Glad you're not draining it to the pan because that can will potentially pull some condensation out of the engine as well. So if you ever notice what is in the can to be a milky brown liquid, it's completely normal, just some condensation. Can't wait to see it up and running!
Pro install! Thanks for explaining it too. How about some one with no boost, can you still go atmospheric outlet with little to no cons? Or better to keep it stock and breathing in to the intake again?
Not concerned with the can getting pressurized under boost? I used the same routing, except ended up using an air compressor check valve off the intake side to keep the can from pressurizing. Great vid!
Wait, you have the cam vents, then to the manifold which will see boost/vacuum at different times? Surely you have to plumb the outlet of the can into the pre-turbo intake so it will always be in vacuum. I know the stock system on my engine has both, but from what I can determine the post turbo line can be removed safely unless I am missing something big
Well you just taught me a lot, my miata came with a ventilated catch can and I am now thinking about deleting the PCV and running both that AND the other breather into my catch can, Question though Greg: Can I just T in PCV and Breather tube together into the same catch can? Or should I just only run 1 can per valve? (I would like to T in both and have a really clean engine bay as I am not turboing.. for now..)
Since this is along the lines of emissions stuff I am curious because you live in California how do you get a away with running a stand alone ECU? If this question seems kinda dumb I'm from Florida and never really had to deal with emission regulations.
I understand the portion of the first catch can, but for adding on the second one. What do you mean by adding the lines to the pre turbo. What section would it be by? You run the line from the breather and to what? Could you do another video in depth please.
If you'd remove the PCV completely and put a check valve between catch can an manifold, wouldn't that be the better solution, since air wouldn't even push back into the can when under boost and at idle it would act like you just don't have a PCV at all? Then you could just put the breather on the other side and call it a day, because it wouldn't see that much blow by, would it? Or am I missing something essential? :D
If you are taking the car for track days I would 100% run the second catch can. High g forces/oil slosh and a gaping potential oil leak over top of the exhaust manifold could create a fire....Not likely, but....You know! I think it can produce a boost leak too?
Smokin07ram Breather will not be a boost leak, but if you vent to atmosphere you should definitely put a hose on it and route it somewhere safe. That's how I had my 1.6 set up, forgot to mention in the video.
Well, under boost/wot the pcv is closed so the only place the crankcase pressure can go is out the vent or to the catch can. Even if your catch can stops the oil vapor, isn't that heated air going to your intake... isn't it better to run a breather in the 2nd location so under boost only cold air is going in?
Isn't the second port of the on the engine cover, the one that normally is connected to the intake before the throttle body, supposed to be the "source" of fresh air for the crank case rather than another point of relief of the crack pressure? It shouldn't be necessary a second catch can :)
Ha. Sold my Miata and I'm still watching videos... Why? BECAUSE RACECAR! I plan on getting another in the future and building it how I wanted and now how the previous owner wanted.
Having trouble with this right now somehow oil is getting into the manifold but I put in a ventilated catch can and now my afrs are extremely rich car doesn’t seem to like it for some reason any idea? 1.6 2860
I would run another check valve on the other side of the catch can. I wouldn’t want my catch can seeing boost. I would have put the pvc valve on that side but I understand it meant to go into the valve cover. A 90* barb fitting would have help a lot coming out of the intake to the breather.
Greg, you had a 300zx, how the heck would I do a catch can for TT? I've got hella blow by but not sure how I would route the catch can with all the pcv tubing? Most people just vent to atmosphere but there's a lot of oil coming through it when I did my pcv hose and coolant reroute. Greg is car god!
KawiNinji I have seen the PCV system routed into a 3-port can, but most people delete PCV and just run the valve cover breathers into a vented can OR through a can back into the intake piping at the front. A huge problem with the VG is oil building up in the driver side (?) Head then getting sucked through the PCV system. Ash has a write up on PCV deleting, I'm sure it's still posted somewhere. The TTZD site has some very useful articles too.
Why would my car throw a check engine light if I put a breather filter on with no catch can? If you reply back that would be great! Great vids keep up the great vids!
Was your new pcv valve loose? When i put in the 323gtx pcv into mine, it wasnt as snug or tight as the stock one. Did you use another rubber grommet on the valve cover to make it fit better? Any info would be cool, thanks!
Greg, I'm running a 3 port mishimoto can instead with both sides of the valve cover going into the can, and the exit to a slash cut in the intake (pre-turbo) to pull vacuum through the can. This way doesn't coat your engine bay with a fine mist of oil as running a breather filter on the hotside of the valve cover will. I think you should delete the PCV valve as the issue of excess crankcase pressure still exists in your setup. www.shophemi.com/images/media/p-2273-arrington_ccv_bible.pdf This is an excellent write up and covers a great deal of info on how to setup a catch can system.
Isaac Fraley The Mishimoto is sealed so it will not leak boost pressure, and the PCV valve locks out the pressure from entering the valve cover. You wouldn't want to hook up a ventilated catch can the way I show in the video, but there is another way to hook it up www.thecarpassionchannel.com/catch-can
so you're just gonna be free spinning the turbo for break in? you know you could overspeed and damage the turbo that way... IIRC you have a 3 psi spring in there, running 3 psi is much less risk than free spinning the turbo in my opinion...
Why re-route any hot oily air back into the intake?? Just get a catch can with a filter and let it vent into atmosphere. The engine won't have a lot of blowby/pressure at the valve cover, so you won't need any vacuum source pulling pressure out.. If you were venting pressure off of the crank case, that would be another story!
Franco Inocencia #1 the can separates the oil out so it's not "oily air". #2 the amount of air entering the engine is miniscule at cruise, and zero in boost. #3 crankcase pressure goes straight up into the valve cover. That's why the stock PCV (positive crankcase ventilation) valve is located there. :)
Greg that bottom port can also be used to run a drain line out of the catch can, you just get a threaded/barb fitting 90° ball valve and some hose and clamps and voila drain from the bottom.
I'm a simple man, I see a new vid by Greg, I hit like.
Five Five Garage simply great content!
That's the tiniest catch can I've ever seen. To anyone from Australia watching, a can this size will not meet CAMS regulations for track events. Most MX-5's will require a 2-litre can to meet requirements.
BEAVIS Motorsport never seen a 2 litres one either lmao that's huge
Even if there is 2 litre catch can (never seen one in my life) People will mistake it with dry sump reservoir... I mean thats huge. 2 litre? It's half the motor oil capacity
Not really that big, and it's a regulation requirement in Australia, see here for my video on installing it in my Miata: th-cam.com/video/YwMrjyXVKeo/w-d-xo.html
the God pcv valve eliminates most of the need for a catch can on the pcv valve side since it's designed for turbo cars. Running it the way you show will mostly collect oil at vacuum and low rpm situations when crankcase pressure is more than boost pressure. In 17 years I typically have not see a lot of oil coming from that side. Under boost the crankcase pressure will be sent out the breather on driver side. In my experience most of the blowby on my boosted car has come from that breather and the best alternative is placing the can on the valve cover vent side directly pre turbo. Most of the time I see open atmosphere is when there is no intake on the turbo. In the case you can run to a catch can with a filter on top.
God=gtx, haha
Spot on man. I was thinking the same thing
Greg dude, back at it again with another amazing video, keep up the good work!💪🏻
Exhaust-ed Daaamn, greg!
I think you got the right idea. With a boosted engine they don't recommend venting to atmosphere, always ends up soaking the filter with oil. And soiling your nice clean engine. Keep it up bro, can't wait!!
Nice job brother!! You could always put a drain valve at the bottom of the catch can if you can't unscrew it. Keep up the great content!👍
Thanks again Greg! I've watched a few different vids on how to hook a catch can up and some of them weren't really clear. No problem understanding after watching this video. Your videos have helped me take my slow 1990 1.6 into a very fun and fast car with 230hp. Mostly thanks to you cause I didn't know what I was doing at the start.
Keep it going , the bay looks absolutely amazing
hey brotha once the car is finished and tuned you should make a full length video of every little video you uploaded building the car.. like an hour or two long compilation of the whole build from start to finish, id def watch it.
+Brickhouse boxmodz That's what the Rebirth playlist is for :)
Amazing I learned more about the aos system here than I did from a mechanic thank god for Greg and TheCarPassionChannel #miataFTW
I sure you can't wait to get this thing running. It's going to be amazing.
Got a 10 page paper due in two hours but I'm on notification squad.
That CHOPPED shirt on point
really digging that blacked out engine bay color scheme, greg!
side note: if you're ballin on a budget, a Husky Air Compressor Filter works really well too. doesn't look as sick as that mishimoto unit, but its a fraction of the cost.
Can't wait till you have it running ....... It's gonna be a beast
Oh thank god I was worried I set mine up wrong. Yet again flawless work homie!
Regarding the PCV valve, Fab9 has on their site "Will require some very slight modification when fitting to a 99-05 Miata". Did you do any modifying?
He has an na
Sooo excited to see this run! keep up the good work!
Looks awesome man love the quality parts
This engine is pure art
surprisingly good design for a mishimoto product
Great videos, really enjoying it. When the car is up and running I hope you have one on solely beating mustangs. That would be great.
Homie Greg coming in clutch with the og hat.
Adding this to the list of future Upgrades lol 👍👍
You most def want maximum vacuum into the crankcase. Big boys with big turbos have told me so.
Hay man thanks for the video:) also wanted to ask a question what do you thank about engine oil coolers :) and when installing one you thank it would be best to cool the oil before it enters the turbo or cool the oil leaving the turbo before it re-enters the engine lol or both :)
dude it looks ultra cleeeean
It may be more expensive, but me personal i wouldn't run a PCV they cause too many problems. I'd replace it with a inline vacuum regulator and run about 8PSI of vacuum from the turbo. With the way you set it up now you're gonna have positive pressure in your crank case. No more than 8PSI so you don't affect oil pressure.
That screen in the can isn't really a splash guard but the oil filled vapors hit that screen and the oil collects and then drips to the bottom of the can.
+Brandon Brown Good to know!
Glad to help. Some people/companies will put a little bit of loose steel wool in the bottom portion of the can to aid in filtering the pcv vapors. Also, if you want, you could add a drain valve to the bottom of the can to empty it quicker. Glad you're not draining it to the pan because that can will potentially pull some condensation out of the engine as well. So if you ever notice what is in the can to be a milky brown liquid, it's completely normal, just some condensation. Can't wait to see it up and running!
Pro install! Thanks for explaining it too. How about some one with no boost, can you still go atmospheric outlet with little to no cons? Or better to keep it stock and breathing in to the intake again?
Not concerned with the can getting pressurized under boost? I used the same routing, except ended up using an air compressor check valve off the intake side to keep the can from pressurizing. Great vid!
Big fan of Craig Peetars, thanks for the great content
Wait, you have the cam vents, then to the manifold which will see boost/vacuum at different times? Surely you have to plumb the outlet of the can into the pre-turbo intake so it will always be in vacuum. I know the stock system on my engine has both, but from what I can determine the post turbo line can be removed safely unless I am missing something big
Well you just taught me a lot, my miata came with a ventilated catch can and I am now thinking about deleting the PCV and running both that AND the other breather into my catch can, Question though Greg: Can I just T in PCV and Breather tube together into the same catch can? Or should I just only run 1 can per valve? (I would like to T in both and have a really clean engine bay as I am not turboing.. for now..)
Keep it up! Kudos from Hong Kong!
Can't wait for the first start video 8)
Looks good.
I think the heat death of the universe will come about before this car is finished.
Wright Marshall You want good videos or a rushed startup?
You can't rush these things...
We just know it’s gonna be a good video
Only thing I would’ve mentioned is why you don’t want oil in your intake. Octane is important.
Since this is along the lines of emissions stuff I am curious because you live in California how do you get a away with running a stand alone ECU? If this question seems kinda dumb I'm from Florida and never really had to deal with emission regulations.
Yeaaasssss
Hi Greg. For a NA1.8 wouldn't it be better to put the oil catch can between the breather side and the airflow pipe?
I understand the portion of the first catch can, but for adding on the second one. What do you mean by adding the lines to the pre turbo. What section would it be by? You run the line from the breather and to what? Could you do another video in depth please.
If you'd remove the PCV completely and put a check valve between catch can an manifold, wouldn't that be the better solution, since air wouldn't even push back into the can when under boost and at idle it would act like you just don't have a PCV at all?
Then you could just put the breather on the other side and call it a day, because it wouldn't see that much blow by, would it?
Or am I missing something essential? :D
If you are taking the car for track days I would 100% run the second catch can.
High g forces/oil slosh and a gaping potential oil leak over top of the exhaust manifold could create a fire....Not likely, but....You know!
I think it can produce a boost leak too?
Smokin07ram Breather will not be a boost leak, but if you vent to atmosphere you should definitely put a hose on it and route it somewhere safe. That's how I had my 1.6 set up, forgot to mention in the video.
Well, under boost/wot the pcv is closed so the only place the crankcase pressure can go is out the vent or to the catch can. Even if your catch can stops the oil vapor, isn't that heated air going to your intake... isn't it better to run a breather in the 2nd location so under boost only cold air is going in?
Cool project! When you sre done, come here to and help me build my tdi golf mk1! 😘 just kidding, looks great Greg!
Two catch cans FTW
have you installed the can on the turbo side have you experienced any oil in the turbo
Isn't the second port of the on the engine cover, the one that normally is connected to the intake before the throttle body, supposed to be the "source" of fresh air for the crank case rather than another point of relief of the crack pressure? It shouldn't be necessary a second catch can :)
If you install the upgraded pcv valve and it closes, not spitting any oil out, would you even need a catch can?
That's an OG hat from the beginning of carpassion.
Will you do an oil cooler? If so I'd like to see a video on the install. Thx.
I've got a mazdaspeed NB PCV valve on my pretty much stock NA8. Should I revert it to the stock one? As long as it vents it should be good, right?
What size ID vacuum host did you run from the PCV valve to the "in" port on the catch can?
nice
Ha. Sold my Miata and I'm still watching videos... Why? BECAUSE RACECAR! I plan on getting another in the future and building it how I wanted and now how the previous owner wanted.
Having trouble with this right now somehow oil is getting into the manifold but I put in a ventilated catch can and now my afrs are extremely rich car doesn’t seem to like it for some reason any idea? 1.6 2860
If the car in not boosted, can I use one catch can? And where i connect it?
To the intake manifold or in the tube of airbox?
I would run another check valve on the other side of the catch can. I wouldn’t want my catch can seeing boost. I would have put the pvc valve on that side but I understand it meant to go into the valve cover. A 90* barb fitting would have help a lot coming out of the intake to the breather.
That was helpful. Thanks 😀
What kind of hose did you use? It looks like silicone hosing?
Fire it up!
Did you end up putting on the second catch can?
Greg, you had a 300zx, how the heck would I do a catch can for TT? I've got hella blow by but not sure how I would route the catch can with all the pcv tubing? Most people just vent to atmosphere but there's a lot of oil coming through it when I did my pcv hose and coolant reroute. Greg is car god!
KawiNinji I have seen the PCV system routed into a 3-port can, but most people delete PCV and just run the valve cover breathers into a vented can OR through a can back into the intake piping at the front. A huge problem with the VG is oil building up in the driver side (?) Head then getting sucked through the PCV system. Ash has a write up on PCV deleting, I'm sure it's still posted somewhere. The TTZD site has some very useful articles too.
How much can would a catch can catch, if a catch can can catch can?
love it!
Is the 1.8 pcv valve the same as the 1.6?
Any reason you didn’t go with the 3 port version which has 2 inlets. That would let you plump the other side of valvecover without an additional can.
Michael R But, in boost, pressure would be fed into the can from the manifold, and back into the valve cover.
TheCarPassionChannel ahh gotcha. Thanks
at @4:00 you meant to say between breather and pre-turbo intake piping, not intercooler piping, right?
Correct
Why would my car throw a check engine light if I put a breather filter on with no catch can? If you reply back that would be great! Great vids keep up the great vids!
Did you plug the port on the intake manifold? If not, its probably throwing a code for a vacuum leak. What is the code, do you know?
Is this worth doing for a non turbo?
You sir are a f*****g legend 👌
Is it beneficial to have it on NA engine?
what about a catch can breather?
Chopped!
Was your new pcv valve loose? When i put in the 323gtx pcv into mine, it wasnt as snug or tight as the stock one. Did you use another rubber grommet on the valve cover to make it fit better? Any info would be cool, thanks!
+Miata U Just a new OEM grommet
TheCarPassionChannel Did you use the stock 1.6 grommet or from a 323gtx? Thanks for the reply!
Always a Way
Can you just dump the line out the bottom on the car instead of getting a catch can?
Greg great video can you run the 323 pcv valve on a stock na motor
Peter P. Yep!
Does anybody know where I can get that Mazda flag?? I want one
Your killing me man
Just vent to atmosphere on both ports, way simpler and better.
Start it please!!!!!!
Dual catch can? sick.
ITB BROS UNITE.
Thank vvt studio tho
what is the diameter of inlet and outlet of catch can?
Bartek Józwiak ~10mm
Are you taking to aed to get it tuned?
Jorge Meza I will be tuning it at AED
Was I the only one that thought Greg did a magic trick when showing the catch can...
Greg, I'm running a 3 port mishimoto can instead with both sides of the valve cover going into the can, and the exit to a slash cut in the intake (pre-turbo) to pull vacuum through the can. This way doesn't coat your engine bay with a fine mist of oil as running a breather filter on the hotside of the valve cover will. I think you should delete the PCV valve as the issue of excess crankcase pressure still exists in your setup. www.shophemi.com/images/media/p-2273-arrington_ccv_bible.pdf This is an excellent write up and covers a great deal of info on how to setup a catch can system.
Is it bad to have boost at the catch can?
Isaac Fraley The Mishimoto is sealed so it will not leak boost pressure, and the PCV valve locks out the pressure from entering the valve cover. You wouldn't want to hook up a ventilated catch can the way I show in the video, but there is another way to hook it up www.thecarpassionchannel.com/catch-can
TheCarPassionChannel Oh! I gotcha. Thanks for the reply man. I'm a huge fan and you've made my day!
Running that can on my 17 Camaro SS
Clean your wires greg !!!!
Would there be anything wrong with putting the pcv valve after the catch can to possibly elongate the life of the pcv valve?
so you're just gonna be free spinning the turbo for break in? you know you could overspeed and damage the turbo that way... IIRC you have a 3 psi spring in there, running 3 psi is much less risk than free spinning the turbo in my opinion...
Bob Last I've seen that on a Honda. Pretty sure it eventually started leaking a lot of oil into the exhaust.
Yeah, and wiring the borg warner's wastegate open can break the turbo (wastegate door can hit turbine wheel).
William M even if the wastegate didn't make contact, with no resistance, you can still overspeed the turbo with the wastegate fully open
Should have DIYed this, think running brand names for a catch can is highway robbery really.
Why re-route any hot oily air back into the intake?? Just get a catch can with a filter and let it vent into atmosphere.
The engine won't have a lot of blowby/pressure at the valve cover, so you won't need any vacuum source pulling pressure out.. If you were venting pressure off of the crank case, that would be another story!
Franco Inocencia #1 the can separates the oil out so it's not "oily air". #2 the amount of air entering the engine is miniscule at cruise, and zero in boost. #3 crankcase pressure goes straight up into the valve cover. That's why the stock PCV (positive crankcase ventilation) valve is located there. :)
TheCarPassionChannel so if it's miniscule, why not let it go into atmosphere? Most simple setup and less lines running in the engine bay.
make 1 episode just tucking... xP