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-   Mechanical Maintenance: Break-in / Oil & Fluids / Servicing (http://www.camaro5.com/forums/forumdisplay.php?f=65)
-   -   catch can importance? (http://www.camaro5.com/forums/showthread.php?t=265217)

MoCamaro20 12-10-2012 11:19 PM

catch can importance?
 
how important is a catch can? what can happen if i dont get one? i already have 27,000 miles and no catch can yet

mikeSS 12-10-2012 11:21 PM

how long do you plan to own car?

JohnnyBfromPeoria 12-10-2012 11:21 PM

More relevant for the direct injection V-6. Others may chime in...

John B.

tjk_art 12-10-2012 11:23 PM

Quote:

Originally Posted by JohnnyBfromPeoria (Post 5901921)
More relevant for the direct injection V-6. Others may chime in...

John B.

Interesting ... what is the difference between the direct injection V6 and V8? Besides two cylinders ...

daveagogo1 12-10-2012 11:24 PM

Quote:

Originally Posted by MoCamaro20 (Post 5901910)
how important is a catch can? what can happen if i dont get one? i already have 27,000 miles and no catch can yet

You will hear how it is a MUST HAVE. Then again both my CTS & 02' T/A ran 1/4 mile times just as quick as new with both having 75k + miles on them and no can.

Have never had one. Very regularly i remove and clean intake tube, MAF and TB. Never any oil in them, very clean and zero issues. 27k on my 5th gen and runs just fine on street or track.

All 3 of these vehicles i drove em hard right off the lot. No burning oil and run really strong.

I would however suggest one if your FI

daveagogo1 12-10-2012 11:26 PM

Quote:

Originally Posted by tjk_art (Post 5901925)
Interesting ... what is the difference between the direct injection V6 and V8? Besides two cylinders ...

The way the fuel is supplied to the cylinders. DI is a very precise shot directly into the cylinder.

MoCamaro20 12-10-2012 11:32 PM

Quote:

Originally Posted by mikeSS (Post 5901919)
how long do you plan to own car?

for quite a while

daveagogo1 12-10-2012 11:34 PM

Quote:

Originally Posted by MoCamaro20 (Post 5901952)
for quite a while

Clean your intake, MAF and TB every so often. In 100k miles if you notice any let up of power or lag or whatnot. Seafoam it. Problem solved in most cases.

tjk_art 12-10-2012 11:36 PM

Quote:

Originally Posted by daveagogo1 (Post 5901932)
The way the fuel is supplied to the cylinders. DI is a very precise shot directly into the cylinder.

i'm aware of how it works with my V6. I'm curious what the V8 does differently that makes it a non issue ? :iono:

MoCamaro20 12-10-2012 11:36 PM

how do i clean my intake and tb

daveagogo1 12-10-2012 11:40 PM

Quote:

Originally Posted by MoCamaro20 (Post 5901969)
how do i clean my intake and tb

tube just needs wiped out.

TB below.

Pick up a can of MAF cleaner at auto store and just spray it and let it dry.


http://www.mobiloil.com/USA-English/...le_Bodies.aspx

daveagogo1 12-10-2012 11:42 PM

Quote:

Originally Posted by tjk_art (Post 5901967)
i'm aware of how it works with my V6. I'm curious what the V8 does differently that makes it a non issue ? :iono:

Not sure exactly what he is talking about. V8 get's oil in there as well. Most just burns off.

JohnnyBfromPeoria 12-11-2012 01:01 AM

After 10K miles, I drained a couple of ounces from my catch can that would have ended up in my intake manifold. Unless it just grew there.

Due to the design of the direct injection engine, there's no cleansing spray of detergent-laden fuel at any point along the intake tract, as the fuel is essentially injected directly into the cylinder and does not spray the intake valve.

I'd just rather keep it out in the first place.

Oh, and I had my brand new car on the "hot break-in schedule" as well. Lots of hard pulls and coast-downs in neutral. Oil level always stays good and the tailpipes are clean.

John B.

Gforce8 12-11-2012 01:15 AM

With a lot of full throttle applications more oil (blowby) gets past the piston rings. Thats why a lot of racecars have them.
The oil then gets "burned" in the engine as it is routed through the PCV system into the intake. This prevents hydrocarbon gasses from going into the atmosphere.
EPA regulation etc.
Downside is that over time power robbing carbon deposits form on the back of the intake valves and on the piston and bottom of the valves.
The catchcan helps as it separates out most of the oil droplets before routing the vapors to the intake only.
In short, if you use the loud pedal a lot and intend to keep the car for a long time (more than 50,000mls), get one! (Just remember to drain oil from it once a month or so)
I f you drive like a Gramma and trade cars every two years, don't waste your money :)
Hope this helps.

Scott@Bjorn3D 12-11-2012 04:57 AM

I did not have one on for 25K miles on my L99. Put one on and would catch about 3-5 ounces every oil change. I put Seafoam in the gas tank at 35K miles and went from 22 on highway to 25 on highway. So it cleaned up some carbon build up on the valves that had happened in the first 25K.

My LS3 had a catch can on her since 500 miles. Would of been on there day of delivery but Mike Norris was out of town on tuning trip.

MLL67RSSS 12-11-2012 06:30 AM

Quote:

Originally Posted by tjk_art (Post 5901967)
i'm aware of how it works with my V6. I'm curious what the V8 does differently that makes it a non issue ? :iono:

Currently only the V6's are/were DI, the L99 and LS3 V8s are not DI engines if that is part of what you're asking.

Gator6977 12-11-2012 06:50 AM

Guess I'm the guy who drives it like I stole it... I dump mine, and I went the cheap route off of eBay, every oil change. Just a couple weeks ago, I dumped mine and found about 1 1/4 cups worth of oil. Ideally, I would rather catch it before it gets sent back in the intake to "burn" up. And from the countless threads I've read all seem to have a great deal of info arguing longevity. For me and my ride, it's a definate must-have!

mixedguy 12-11-2012 07:08 AM

link
 
Quote:

Originally Posted by Gator6977 (Post 5902392)
Guess I'm the guy who drives it like I stole it... I dump mine, and I went the cheap route off of eBay, every oil change. Just a couple weeks ago, I dumped mine and found about 1 1/4 cups worth of oil. Ideally, I would rather catch it before it gets sent back in the intake to "burn" up. And from the countless threads I've read all seem to have a great deal of info arguing longevity. For me and my ride, it's a definate must-have!

can you send me the link to the catch can you bought off of ebay. Thanks

IndeedSS1 12-11-2012 07:20 AM

Quote:

Originally Posted by MoCamaro20 (Post 5901910)
how important is a catch can? what can happen if i dont get one? i already have 27,000 miles and no catch can yet

Important to me. Check out this thread. http://www.camaro5.com/forums/showthread.php?t=112367

As far as the cheap cans go, good luck with those. I tested three cans and while all caught oil tow of them also allowed oil to be pulled through and into the intake. Sure getting any can is better than none, but what is the point getting one in the first place only to go cheap and get one that doesn't do it's job efficiently.

Most of the people that tell you you don't need a catch can are the ones that have never hooked one up to see what it does.

james347 12-11-2012 07:25 AM

Catch cans are absolutely not needed. The oil is sucked back into the engine because the intake runners, throttle body, valves, spark plug tips, and the tops of the pistons all need extra lubrication. Some oil even runs back down into the oil pan. It's the ultimate green energy concept of recycling :thumbsup:

Blues45th 12-11-2012 07:28 AM

I'm sure the cans work but the cans themselves might have issues. Driving it hard when you first get the car helps a great deal with braking the engine in. Agree with Dave on alot of what he says. And really it's become more a camaro 5 push product. Remember who runs the site guys lol. VENDORS ?!?!?!

Ir0nM4n 12-11-2012 07:40 AM

Quote:

Originally Posted by james347 (Post 5902462)
Catch cans are absolutely not needed. The oil is sucked back into the engine because the intake runners, throttle body, valves, spark plug tips, and the tops of the pistons all need extra lubrication. Some oil even runs back down into the oil pan. It's the ultimate green energy concept of recycling :thumbsup:

Interesting perhaps read this.. http://www.camaro5.com/forums/showthread.php?t=68744

A friend of mine didnt have a catch can and I did. When he took his manifold off it was not clean. Took off my manifold and it was very clean. We both had V6 Camaros at the time. I still do he does not. As far as V8's since the V8 does not use direct injection then there are ways of cleaning the engine other than a catch can.

I would just rather empty a can than go through the seafoam. Just easier I do my oil change and empty the can not so hard.

james347 12-11-2012 08:04 AM

Quote:

Originally Posted by MINI HLK (Post 5902516)
Interesting perhaps read this.. http://www.camaro5.com/forums/showthread.php?t=68744

A friend of mine didnt have a catch can and I did. When he took his manifold off it was not clean. Took off my manifold and it was very clean. We both had V6 Camaros at the time. I still do he does not. As far as V8's since the V8 does not use direct injection then there are ways of cleaning the engine other than a catch can.

I would just rather empty a can than go through the seafoam. Just easier I do my oil change and empty the can not so hard.

Sorry, I was trying to be sarcastic. I totally believe in catch cans.

meissen 12-11-2012 08:20 AM

Yeah, go ask the VW dealerships (Was it VW or Audi?) that are having to strip heads down so they can hand-clean the oil sludge off of the intake valves how important a catch can is.

Jalberdi99 12-11-2012 08:34 AM

so lets see if i got this right. the catch can is good for people that drive the car like they stole something right? if i drive my car normal i should not worrie about it?


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