Catch cans... Help me understand.
Thread Starter
Instructor
Joined: Nov 2006
Posts: 173
Likes: 0
From: Austin, Texas
Catch cans... Help me understand.
So the catch cans... I know that if I ask a question here wether or not you need one, 99/100 folks will say that I do need one. I've got an '02 coupe with somehwere between 13 and 14 thousand miles on it, and am debating the catch can.
So a couple of questions...
1.) What problem does having one of these cans prevent?
2.) Where can I look to see symptoms that I do/do not need one?
Thanks,
Brad
So a couple of questions...
1.) What problem does having one of these cans prevent?
2.) Where can I look to see symptoms that I do/do not need one?
Thanks,
Brad
Race Director
Joined: Jan 2002
Posts: 19,557
Likes: 1,470
From: I love you & miss you Linda
2017 C7 of the Year Finalist
St. Jude Contributor
So the catch cans... I know that if I ask a question here wether or not you need one, 99/100 folks will say that I do need one. I've got an '02 coupe with somehwere between 13 and 14 thousand miles on it, and am debating the catch can.
So a couple of questions...
1.) What problem does having one of these cans prevent?
2.) Where can I look to see symptoms that I do/do not need one?
Thanks,
Brad
So a couple of questions...
1.) What problem does having one of these cans prevent?
2.) Where can I look to see symptoms that I do/do not need one?
Thanks,
Brad
Much of the "blow by" is being sent into your intake on the LS1 and LS6.
The catch can "catches" this blow by between the PCV valve and the intake and collects it in the can which you can clean out ocassionally.
Melting Slicks
Joined: Aug 2006
Posts: 2,866
Likes: 45
From: Tampa Bay, Go BUCS!!!Go Rays!!!Go Lightning!!!
St. Jude Donor '12-'13-'14
Theory is that if you don't drive hard you probably don't need it. On the other hand I just saw a posted photo of the inside of an intake that supposedly hadn't been driven hard and it was full of oil mist.
It isn't at the top of my "mod" list but that photo moved it up several notches.
If you drive hard, get it soon. If not, wait with me for the next Group Purchase discount.
JMHO
It isn't at the top of my "mod" list but that photo moved it up several notches.
If you drive hard, get it soon. If not, wait with me for the next Group Purchase discount.
JMHO
Cruising
Joined: Jun 2006
Posts: 13
Likes: 0
From: Hawkstone Ontario
Corvettes are not alone in this problem. Looks like it might be a GM trait!
I bought a 2007 GMC Acadia about 1 month ago. It is not even broken in yet.
I pulled the airfilter box out today to see about giving it some additional cold air and guess what I found?
The accordian tubing from the throttle body to the mass airflow sensor was full of oil!
Looks like it is time to put a Catch Can on this vehicle as well.
I bought a 2007 GMC Acadia about 1 month ago. It is not even broken in yet.
I pulled the airfilter box out today to see about giving it some additional cold air and guess what I found?
The accordian tubing from the throttle body to the mass airflow sensor was full of oil!
Looks like it is time to put a Catch Can on this vehicle as well.
Race Director
Joined: Nov 2001
Posts: 18,682
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St. Jude Donor '05-'06-'07-'08-'09-'10-'11-'12
1st: Read this and learn about Positive Crankcase Ventilation
Much of the "blow by" is being sent into your intake on the LS1 and LS6.
The catch can "catches" this blow by between the PCV valve and the intake and collects it in the can which you can clean out ocassionally.
Much of the "blow by" is being sent into your intake on the LS1 and LS6.
The catch can "catches" this blow by between the PCV valve and the intake and collects it in the can which you can clean out ocassionally.
Racer
Joined: Feb 2004
Posts: 471
Likes: 0
From: Boston MA
Does anyone have a picture of their catch can on the car. I have always heard about them on the vette, but never see anyone with them. All this talk recently has got me thinking I should put one on. Just dont want it to be an eye sore under my hood. Thanks in advance.
Safety Car
Joined: Jun 2006
Posts: 4,088
Likes: 1
From: Pennsylvania
Follow wthis link:
http://forums.corvetteforum.com/show...ighlight=catch
Willfulone has pictures on his web page.
I just got one from him, I will put it in this weekend. It looks like a quality unit.
http://forums.corvetteforum.com/show...ighlight=catch
Willfulone has pictures on his web page.
I just got one from him, I will put it in this weekend. It looks like a quality unit.
Pro
Joined: Oct 2005
Posts: 680
Likes: 17
From: Moulton Alabama
Cruise-In 8-9-10-12 Veteran
I don't drive real aggressive most of the time. I have an '01 Z06. I bought and installed the catch can after reading all the post about the oil in the intake and it's possible effect on the mass air flow sensor and other sensitive engine parts. I was like you in questioning whether it was necessary with my style driving. I mostly drive the speed limit with the occasional spirited driving and only occasional high rpm range (hard not to when you drive a vette). I checked mine after it was installed for one month and it did contain about 2 oz. of oil that would have been in my intake. It looks like it belongs so it is not engine clutter. I bought the red one from Elite Engineering to go with my QS. Not unhappy or regret it at all. It does what it was designed to do.
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Melting Slicks
Joined: Jan 2006
Posts: 3,180
Likes: 297
From: Sarasota Florida
Follow wthis link:
http://forums.corvetteforum.com/show...ighlight=catch
Willfulone has pictures on his web page.
I just got one from him, I will put it in this weekend. It looks like a quality unit.
http://forums.corvetteforum.com/show...ighlight=catch
Willfulone has pictures on his web page.
I just got one from him, I will put it in this weekend. It looks like a quality unit.
However, it's bling in my opinion. For my style driving, the LS1 happily digests any blowby.
Flame away at will.
Safety Car
Joined: Sep 2005
Posts: 4,501
Likes: 1
From: TAMPA BAY FL.
I don't drive real aggressive most of the time. I have an '01 Z06. I bought and installed the catch can after reading all the post about the oil in the intake and it's possible effect on the mass air flow sensor and other sensitive engine parts. I was like you in questioning whether it was necessary with my style driving. I mostly drive the speed limit with the occasional spirited driving and only occasional high rpm range (hard not to when you drive a vette). I checked mine after it was installed for one month and it did contain about 2 oz. of oil that would have been in my intake. It looks like it belongs so it is not engine clutter. I bought the red one from Elite Engineering to go with my QS. Not unhappy or regret it at all. It does what it was designed to do.
Pro
Joined: Oct 2005
Posts: 680
Likes: 17
From: Moulton Alabama
Cruise-In 8-9-10-12 Veteran
I would not think so, but don't know for sure. My '01 is not an oil burner as I easily make it to 3000 miles without adding any oil. I would think that oil blowing by the piston rings is different from what would be caught by the catch can.
Burning Brakes
Joined: Oct 2003
Posts: 1,106
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From: Foresters Falls(near Ottawa) Ont
Race Director
Joined: Jan 2002
Posts: 19,557
Likes: 1,470
From: I love you & miss you Linda
2017 C7 of the Year Finalist
St. Jude Contributor
Does anyone have a picture of their catch can on the car. I have always heard about them on the vette, but never see anyone with them. All this talk recently has got me thinking I should put one on. Just dont want it to be an eye sore under my hood. Thanks in advance.
Premium Supporting Vendor
Joined: Oct 2004
Posts: 36,838
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From: Manassas Park VA
St. Jude Donor '07-'08,-'13-'14, '16-'17
Race Director
Joined: Dec 2000
Posts: 19,304
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From: San Diego CA
Here's everything you need to know:
http://www.conceptualpolymer.com/PCV...oval%20101.pdf
....and more.....
http://www.conceptualpolymer.com/PCV...oval%20101.pdf
....and more.....
Racer
Joined: Jan 2006
Posts: 432
Likes: 2
From: peoria az
St. Jude Donor '07
Le Mans Master
Joined: Feb 2003
Posts: 6,682
Likes: 144
From: Memphis Tennessee
My opinion is to get one, how can it hurt?
Le Mans Master
Joined: Feb 2003
Posts: 6,682
Likes: 144
From: Memphis Tennessee
I don't think you can judge the need by oil consumtion. Most of the oil goes into the intake in a near fume state. As it slows and makes significant contact it begins to re-liquify and puddle.
What my pictures don't include is that I added an inline paper filter (see thru design) after the can to see how much gets past. I still get significant discoloration in the paper but no puddling inside the filter.
To be honest, I did it just to see what effect it made, and in that I built my own for well under $30 it is painless.
Pro
Joined: Aug 2000
Posts: 700
Likes: 1
From: Florida
Thank you Dave... Great write up.
Here's everything you need to know:
http://www.conceptualpolymer.com/PCV...oval%20101.pdf
....and more.....
http://www.conceptualpolymer.com/PCV...oval%20101.pdf
....and more.....