Catch Can -- AOS/PCV System Installation

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Kiko

Master Mechanic
Apr 14, 2009
287
63
Ottawa, Canada
Hello!

I thought that I would share my recent mod -- the installation of an AOS (Air/Oil Separator) system, or, in other words a "Catch Can - PCV system".

Until now, I ran with two breathers -- one on each valve cover. These were Billet Specialties with washable filter elements. Driver side had a breather with PCV in the valve cover with a 5/8" hose to the base of the carb. Passenger side had just a breather inserted in the valve cover. Having done some research on Catch Cans, it seemed like a good idea to install such a system to help the engine breath better and eliminate foul odors. There are numerous systems on the market -- all of them do their job more-or-less. Cost is not a guarantee for quality nor functionality. I chose the Mighty Mouse offering due to its esthetic appeal, "made in the US" and positive reviews.

Attached are some pics of the install. I'd like to get feedback/comments regarding your experiences (if any) with Catch Cans, as well as input regarding my install -- mistakes, options, or anything else.

Thanks,

(2020-05-30) 01.jpg (2020-05-30) 02.jpg

(2020-05-30) 03.jpg (2020-05-30) 04.jpg

(2020-05-30) 05.jpg (2020-05-30) 06.jpg
 
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Neill

Not-quite-so-new-guy
Mar 7, 2014
114
28
Roanoke ,VA.
Well, I just kind of think catch cans might be a great companion to spark plug 'non- foulers' .
 
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GuysMonteSS

Royal Smart Person
May 21, 2011
1,449
113
Kentville,Nova Scotia,Canada
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Tony1968

Royal Smart Person
Jul 1, 2018
1,445
113
NW Indiana
I did something similar last year.
I already had one of the ME Wagner Dual Flow adjustable PCV valves installed and tuned ;
Then I added a Trick Flow catch can;
It does catch oil,although it didnt collect a whole lot,so I'm guessing that mine is a tight engine.
Heres some pictures;
View attachment 149104 View attachment 149106
Guy
Did you use a vacuum gauge to set up the M/E Wagner valve?
 
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GuysMonteSS

Royal Smart Person
May 21, 2011
1,449
113
Kentville,Nova Scotia,Canada
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Kiko

Master Mechanic
Thread starter
Apr 14, 2009
287
63
Ottawa, Canada
Is it catching oil on your engine?

I haven't driven with it all that much, so can't say at this time how well it's performing. I'll let you know as time goes by and I put more miles on that engine.
 
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Tony1968

Royal Smart Person
Jul 1, 2018
1,445
113
NW Indiana
I ran a catch can on a 5.3 in a GM truck
Here was my first drain amount and what happened. After a day you can see the separation. Final pic was a surprise as to what it did to the container
20170125_135133.jpg
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20170129_124614.jpg
 
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pontiacgp

blank
Mar 31, 2006
29,389
113
Kitchener, Ontario
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