[Joshinator99]

Originally Posted by bishopts

So like the old school breather filter on the small block. Just better in most ways?

Is it PCV or CCV?

My MM Wild has a one way check valve in it, so it’s a regular closed system catch can 99% of the time, which is good. The breather portion only opens if it sees positive pressure from the crankcase, so it can relieve that excess pressure (hopefully before a seal blows out)…

[bishopts]

Originally Posted by Joshinator99

My MM Wild has a one way check valve in it, so it’s a regular closed system catch can 99% of the time, which is good. The breather portion only opens if it sees positive pressure from the crankcase, so it can relieve that excess pressure (hopefully before a seal blows out)…

does it work with the stock PCV valve? or does it replace it?

[Joshinator99]

Originally Posted by bishopts

does it work with the stock PCV valve? or does it replace it?

Sorry my car has been modded for so long I don’t remember much of the original setup lmao. The PCV lines from the valve covers to the OEM air/oil separator are still intact. The MM Wild uses a big (-10 or -12 AN options, I went with -12) line from the oil cap location on the valve covers to the MM Wild for direct communication with crankcase pressure. It also has a small vacuum line that allows the engine to pull through the catch can under typical use. But the big line is the emergency “blow off” if crankcase pressure builds up at all.

[Z OH 6]

Originally Posted by bishopts

Not really sure where you get your info, I've never heard of mighty mouse until i got in this forum. But also I've been into supras most of my automotive life.

I have a Mishimoto that seems to have no problems too.

I get my facts from automotive forums and years of posts, not Google AI which is most certainly not correct many times.

[2023_ZL1-AUTO]

Big Camaro power, even stock, I installed the Might Mouse regular catch can, had issues with a lot of oil but that was directly related to my valve covers not being fully baffled. I got the correct valve covers, upgraded the the MM 1000 Wild and LOVE how it performance at 800+ rwhp, and now will be more rwhp after I get my car back in a few week. Elite Catch cans seems to be nice was well. For this platform, it's dominated by Might Mouse and Elite.

[bishopts]

So looking around for MM pcv diagrams to try and understand how they are routing the system, it looks like there are 2 different methods. One leaves the stock pcv valve in place and one moves the pcv valve into the can itself. I know most of you guys dont really know how pcv actually works of even did the work on your own car. But someone that actually did, could you elaborate on the two different designs. Is it forced air gets one and N/A gets the other? Or does it come down to flow volume needs?

[2023_ZL1-AUTO]

Originally Posted by bishopts

So looking around for MM pcv diagrams to try and understand how they are routing the system, it looks like there are 2 different methods. One leaves the stock pcv valve in place and one moves the pcv valve into the can itself. I know most of you guys dont really know how pcv actually works of even did the work on your own car. But someone that actually did, could you elaborate on the two different designs. Is it forced air gets one and N/A gets the other? Or does it come down to flow volume needs?

Well, I installed my own each the Elite I had first and the MM 1000 Wild when I first installed it. If you go and look at my build threat you will see exactly how I installed mine, did the routing and what caused my first issue with the Elite (non- baffled valve covers) and then how I corrected it with the might mouse 1000 wild and the proper valve covers.

https://www.camaro6.com/forums/showthread.php?t=611982

Post #50 is the first Catch can I installed. Other posts further down you'll find the Mighty Mouse and the changes I made.

[bishopts]

Originally Posted by 2023_ZL1-AUTO

Well, I installed my own each the Elite I had first and the MM 1000 Wild when I first installed it. If you go and look at my build threat you will see exactly how I installed mine, did the routing and what caused my first issue with the Elite (non- baffled valve covers) and then how I corrected it with the might mouse 1000 wild and the proper valve covers.

https://www.camaro6.com/forums/showthread.php?t=611982

Post #50 is the first Catch can I installed. Other posts further down you'll find the Mighty Mouse and the changes I made.

That's an awesome build write up. I love the detail you go into.

[Evansa22]

Originally Posted by bishopts

So looking around for MM pcv diagrams to try and understand how they are routing the system, it looks like there are 2 different methods. One leaves the stock pcv valve in place and one moves the pcv valve into the can itself. I know most of you guys dont really know how pcv actually works of even did the work on your own car. But someone that actually did, could you elaborate on the two different designs. Is it forced air gets one and N/A gets the other? Or does it come down to flow volume needs?

Believe it's related to flow volume, or the power you're making. I have the mild with road course top which eliminates the top filter/breather and replaces it with a line that runs under the car. The road course top only works with the mild system and was told directly by MM should be good to 900 crank hp. This mild system replaces the stock pcv valve with their own which has a -6an line coming off it to the can. Then a line which runs to the throttle body I believe for vacuum, and a drain line coming off the bottom. Mine also has a line coming off the top with the road course top which runs to the bottom of the car with a little catch I made. The can has its own check valve like Josh said, so it runs back to the intake in most circumstances until pressure exceeds the check valve then vents out my line from the top, or filter in other setups. The road course top prevents oil from shooting out the filter on top if pressure got crazy and instead it would evacuate out the line going to the bottom into my catch. I've also replaced the stock line going from the stock air/oil separator to the intake with a -12an line I believe it is to help relieve crank case pressure as well.

[bishopts]

Originally Posted by Evansa22

Believe it's related to flow volume, or the power you're making. I have the mild with road course top which eliminates the top filter/breather and replaces it with a line that runs under the car. The road course top only works with the mild system and was told directly by MM should be good to 900 crank hp. This mild system replaces the stock pcv valve with their own which has a -6an line coming off it to the can. Then a line which runs to the throttle body I believe for vacuum, and a drain line coming off the bottom. Mine also has a line coming off the top with the road course top which runs to the bottom of the car with a little catch I made. The can has its own check valve like Josh said, so it runs back to the intake in most circumstances until pressure exceeds the check valve then vents out my line from the top, or filter in other setups. The road course top prevents oil from shooting out the filter on top if pressure got crazy and instead it would evacuate out the line going to the bottom into my catch. I've also replaced the stock line going from the stock air/oil separator to the intake with a -12an line I believe it is to help relieve crank case pressure as well.

Ok that makes sense. It's a larger PCV path while still using the CCV system going to the intake tube. Then the filter on the can is only used when needed because of the check valve in the top of the can.
Does the valve open under any pressure? Or is it like a poppet valve that needs to be a specific pressure or higher?

[JSH]

Originally Posted by Joshinator99

My MM Wild has a one way check valve in it, so it’s a regular closed system catch can 99% of the time, which is good. The breather portion only opens if it sees positive pressure from the crankcase, so it can relieve that excess pressure (hopefully before a seal blows out)…

Mine didn't come with one, but I think I've got a valve cover breather that has the one way Puck in

[Joshinator99]

Originally Posted by bishopts

Ok that makes sense. It's a larger PCV path while still using the CCV system going to the intake tube. Then the filter on the can is only used when needed because of the check valve in the top of the can.
Does the valve open under any pressure? Or is it like a poppet valve that needs to be a specific pressure or higher?

It will open under any pressure.

[bishopts]

Originally Posted by Joshinator99

It will open under any pressure.

Seems like a pretty solid setup, kinda heavily focused on forced induction high hp builds.

[JSH]

Originally Posted by Joshinator99

It will open under any pressure.

Yeah, like the pressure that flows out of my engine at idle.