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5th Gen Camaro SS LS LT General Discussions General 5th generation Camaro topics not covered by other subforums.

View Poll Results: IS A CATCH CAN POINTLESS
YES 19 18.10%
NO 86 81.90%
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Old 06-12-2013, 08:43 PM   #1
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EDUCATE ME PLEASE

Catch Cans

This is the best place for Camaro education can someone school me on Catch Cans, I have heard there good overall for the engine

Some say they do absolutely nothing, it worthless

Is this another Premium vs Regular gas in the v6 type deal?

:n oidea:
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Old 06-12-2013, 08:46 PM   #2
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I'll let Chase explain it: http://www.camaro5.com/forums/showth...ighlight=catch
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Old 06-12-2013, 09:07 PM   #3
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dude, i searched for like 45 minutes, GREAT FIND!!!!
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Old 06-12-2013, 09:21 PM   #4
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Why don't these come from the factory?
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Old 06-12-2013, 09:24 PM   #5
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Why don't these come from the factory?
They do on the new 1LEs
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Old 06-12-2013, 09:29 PM   #6
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Why don't these come from the factory?
I think mainly because of cost. Eventually will see them on DD not just performance engines.
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Old 06-12-2013, 09:38 PM   #7
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I think mainly because of cost. Eventually will see them on DD not just performance engines.
How much is a catch can a little under $200? I don't see why they can't add that to the price of the car. We're paying over 20k for our cars what's another $200
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Old 06-12-2013, 10:10 PM   #8
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How much is a catch can a little under $200? I don't see why they can't add that to the price of the car. We're paying over 20k for our cars what's another $200
$200 added to the manufacturing cost of a car. Every penny is scrutinized in the manufacturing process. When you make millions of cars every penny adds up quickly.
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Old 06-12-2013, 10:21 PM   #9
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Quote:
Originally Posted by CamaroKid300 View Post
They do on the new 1LEs

How much did you pay for your RX catch can
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Old 06-12-2013, 10:47 PM   #10
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Old 06-12-2013, 10:49 PM   #11
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Why don't these come from the factory?
Because its another maintenance item the owner would be responsible for. Imagine how many people would simply forget to empty their catch can.
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Old 06-12-2013, 10:52 PM   #12
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They do on the new 1LEs
not true at all its a seperator and is installed for the oposite side of the catch can aka the clean side. catch can is for dirty side... goodjob for false info
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Old 06-12-2013, 10:58 PM   #13
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not true at all its a seperator and is installed for the oposite side of the catch can aka the clean side. catch can is for dirty side... goodjob for false info
ok he was mistaken, no need for all the extra CHILL its all about learning, thanks for the update Good info
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Old 06-13-2013, 12:00 AM   #14
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ill be the first to post it,,,,waste of time and money.Also have to think in some states this would be considered tampering with the emission system I know in Washington it would.
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Old 06-13-2013, 12:25 AM   #15
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76% didn't say it's a waste of time. The question was "Is it pointless? ". 76% said no, as in "no, it's not pointless".
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Old 06-13-2013, 12:32 AM   #16
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If you don't get one, yo engione will be gunked'did up SAAAN! Lol, sorry for being weird. Get one. It won't hurt. Thats for sure.
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Old 06-13-2013, 04:39 AM   #17
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They do on the new 1LEs
The one offered on 1LE is for the clean side, that is similar to the breather and different then a catch can. We are talking 2 totally different things.
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Old 06-13-2013, 06:37 AM   #18
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Seeing is believing... find someone that has one and have them show you what's inside. Part of your decision should be how long you plan on keeping your car. I plan on keeping mine, so $160 was worth it given what the car cost.

For what it's worth, I've had mechanics - dealership included - tell me it's a good idea.
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Old 06-13-2013, 06:40 AM   #19
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I don't understand how they are different, depending on clean side or dirty side. they are both cans, that catch blowby...catch can.
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Old 06-13-2013, 06:43 AM   #20
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Because its another maintenance item the owner would be responsible for. Imagine how many people would simply forget to empty their catch can.
Dealer installed item upon delivery IMO
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Old 06-13-2013, 06:47 AM   #21
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Millions of vehicles with over 100000 miles some close to 200000 never heard of of catch can..if you run your vehicle at wide open throttle a lot.... a catch cans going to be the least of your worries...
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Old 06-13-2013, 06:51 AM   #22
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The main disclaimer that you have to make is that there's a DRASTIC difference between needing a catch can on an SS and needing a catch can on the DIRECT INJECTION v6s.

Most of the folks that say "Don't need it" are driving with engines that are NOT direct injection. There's a big difference!

With multi-port or sequential injection engines you have the gas flowing directly over the valves which helps keep the valves clean. Direct injection engines do not have this feature - there is NOTHING flowing over the valves to help clean the oil gunk buildup.

Hence - with direct injection engines literally your only two options are to either
1) Accept the fact that oil is getting into your intake and gunking up the valves - perform routine maintenance to remove the oil gunk buildup off of your valves (IE: Seafoam or taking it to the dealership for them to do the cleaning)
2) Prevent the oil from getting into your intake and gunking up the valves - buy an oil catch can

So really it boils down to whether you want to prevent the oil from gunking up your intake valves or whether you're OK with the valves getting gunked up and accept the fact that you'll have to do routine maintenance (seafoam or other cleaners) to clean the gunk off the valves.


If it wasn't a big deal, you wouldn't see so many of the gas companies advertising the cleaning properties of their gas -- those cleaning properties are to clean the gunk off the valves. So all engines prior to direct injection did get the benefit of those cleaning properties - but direct injected engines do not.

Lastly - if you guys don't think it's a big deal, go read about all the changes GM made to the PCV system on the new direct injected Gen5 engines -- if it wasn't a big deal they wouldn't be so worried about keeping that oil out of the intake.
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Old 06-13-2013, 06:53 AM   #23
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Millions of vehicles with over 100000 miles some close to 200000 never heard of of catch can..if you run your vehicle at wide open throttle a lot.... a catch cans going to be the least of your worries...
no one is saying you can't have a long life without a catch can. it's obvious you can. it's also obvious that you don't know what you are talking about. Blowby occurs even when not WOT...
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Old 06-13-2013, 06:54 AM   #24
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Well said meissen.
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Old 06-13-2013, 08:50 AM   #25
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There is only a cleanside separator with the 1LE, and the cleanside is only app 2-3% of the ingestion. The dirtyside is where nearly all comes from, and only 2-3 cans on the market will actually trap all or most of the oil. The rest all let as much through as they catch.

The DI engines it is a must period. On port injection engines the intake valve coking will not be an issue if top tier fuel is used as Meissen states (good post!), but the detonation caused in every gasoline engine is picked up by the knock sensors and the PCM then pulls timing (usually defaults to the low octaine tables) so less power and less fuel economy, and there is still the buildup on the pistons and in the combustion chamber that effcts the performance. Your engine is designed to burn only fuel and air....oil does not burn well. Try it yourself. Take and pour a teaspoonful onto a sacucer and try and light it on fire....wont happen until it is hot enough and or under enough pressure, then it is an erractic, very slow and incomplete burn (unless it is a 2 stroke oil designed to burn clean). This reduces the amount of energy released per explosive event and we see this on the dyno all the time.

Why don't the manufacturers add one from the factory? Because the past 30 years the move has been to no, or little actual maintance. The new car buyer wants to just get in the car and drive, only put gas in. Most don't even open their hood much less check fluid levels. They see a CEL come on and call the dealer, and a catch can must be emptied and the collected gunk disposed of every 5-10k miles depending on the engines consumption rate. It cant be put back into the engine as it is full of damaging compounds, so there is no other solution.

As to the millions of cars/trucks running forever w/out them....true, but if the knowledge was available then of the effects (and most had PCV systems that did not ingest oil like todays due to emission standards so much stricter) you can bet those that do care for the longest engine life with the best possible performance maintained would have had them as well.

We design our version 10-12 years ago due to the detonation issues of our turbo & SC builds. We bought the solutions on the market at the time, and we saw them catch oil, but did not eliminate the detonation so a simple clear glass fuel filter was installed between the cans and the IM vac barb, and we saw it fill up in no time. We then began testing all available, and none would catch most of the oil.....then began to dissect them, and as we do with all the RX line, designed our own and have constantly updated and revised to the current version that catches all, or nearly all the oil.

So, yes, many have and will (most all) still drive their car and be none the wiser (ignorance is bliss) and that wont change. This is for those that want the best care for their baby....not the99% that just see a car as a way to get from point a to point b and look how they want to look. Nothing more.

So it is all education.
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