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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 01-14-2014, 08:37 AM   #76
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A little late to game, but I put an Elite Catch Can on my car about 120 miles ago. My car has 45k on it. 2010 LS3. I do not by any means drive my car hard. I do get on it occasionally, but not near as much as others on this site. I pulled my catch can down and it was about half full, with a little over 100 miles on it. Does that sound excessive or normal? There was NO hard driving since the catch can was installed as I am also breaking in a brand new differential.
That's about what I am catching per drain every 1000 - 1200 miles consistently for the last 15000 miles. If you had that much blow-by every 100 miles before you added the catch can I'd think you'd have seen it on the dipstick. Have you seen loss of oil on the stick between oil changes?
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Old 01-14-2014, 09:53 PM   #77
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further update

From my build thread:
The new cover came in and I should have done a LOT more research before I pulled the trigger on the new cover. I think I could have repaired the original cover and saved $100. Note how the “ported vent” is bolted to the bottom of the cover. Notice items 908 (bolts) and 909 (ported vent) …………..sure enough it can be resealed.
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Old 01-14-2014, 10:00 PM   #78
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you have an issue............probably

Quote:
Originally Posted by 376LS3 View Post
A little late to game, but I put an Elite Catch Can on my car about 120 miles ago. My car has 45k on it. 2010 LS3. I do not by any means drive my car hard. I do get on it occasionally, but not near as much as others on this site. I pulled my catch can down and it was about half full, with a little over 100 miles on it. Does that sound excessive or normal? There was NO hard driving since the catch can was installed as I am also breaking in a brand new differential.
376LS3, that is a lot for 120 miles.
it would appear as though you have a valley cover issue. in my (simple) opinion, you have 2 choices; buy a longer hose and connect to the back of the drivers side valve cover. see if there is a difference and if so............then decide if you will continue to run connected to the valve cover or reseal the ported vent on the bottom of the valley cover.
this is the spot i have found myself in. good luck and let us know what you do and the results.
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Old 01-15-2014, 04:35 PM   #79
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376LS3, that is a lot for 120 miles.
it would appear as though you have a valley cover issue. in my (simple) opinion, you have 2 choices; buy a longer hose and connect to the back of the drivers side valve cover. see if there is a difference and if so............then decide if you will continue to run connected to the valve cover or reseal the ported vent on the bottom of the valley cover.
this is the spot i have found myself in. good luck and let us know what you do and the results.
How would I know if I need to reseal? What would I see when I remove the valley cover? If I used the valve cover, would I just cap the valley cover? Thanks for the help!
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Old 01-16-2014, 09:35 AM   #80
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I think it would be tough to know where the seal has failed just by looking.
Thinking out loud here: with the cover off and cleaned, spray some wd40 inside the baffle and see where it comes out at the sealing surface.
Really does not matter though, you will need to remove the baffle, clean off the old sealant and reseal again.
If you switch to the valve cover, you should plug off the port on the valley cover.
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Old 01-21-2014, 04:00 PM   #81
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From my build thread:
The new cover came in and I should have done a LOT more research before I pulled the trigger on the new cover. I think I could have repaired the original cover and saved $100. Note how the “ported vent” is bolted to the bottom of the cover. Notice items 908 (bolts) and 909 (ported vent) …………..sure enough it can be resealed.
This is interesting...the "ported vent" (909) I think is Chevy's attempt at an internal catch can. When a new catch can is installed, perhaps the buildup in this internal catch can needs to get vented out before the amount of oil caught stabilizes at lower levels.
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Old 05-16-2014, 04:50 PM   #82
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Ok, time to bump this thread.

Took my ride out just a couple short weeks ago, fresh oil in, using Amsoil 5W-30 Signature series as opposed to the Mobil 1 before, performed a few hard runs....odometer now at 4000km(2500miles).

I'm getting 2-2.5 tablespoons of oil in the catch can, after approximately 60 miles (or 100km's) of constantly getting on it.

I made an appointment with the dealer early next week to bring it in. Hopefully they won't say something like, "your engine is still too new....."

Will update what happens at the dealer, but others please do chime in the meantime.
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Old 05-17-2014, 08:59 AM   #83
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I swapped out the valley cover while doing some intake work. I then moved the hose from the driver's valve cover and put back on the NEW valley cover. The amount of oil I catch is now the same as when connected to the valve cover. All fixed.
To be truthful, I did not see anything obviously wrong with the baffle when I took it off. All I know it is now 'fixed'.
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Old 05-17-2014, 08:26 PM   #84
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I put an RX can on my L99 when i bought 2 1/2 yrs ago and never collected that much of oil. I got on her quite a bit and still do occasionally and now with my elite i get about 2-3 teaspn every 1k.
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Old 05-22-2014, 11:08 PM   #85
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Ok, 8 months later(full winder in between), the moment of truth.
I picked the car up yesterday from the GM dealer. Here was their verdict concerning the oil in can issue. They were no willing to replace the valley cover because...... I'll allow your to read it for yourselves.

Awaiting your feedback please.
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Old 05-22-2014, 11:09 PM   #86
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5 more pages..
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Old 05-23-2014, 01:45 AM   #87
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Camaro Dude, have you moved the line from the valley cover to the rear of the driver's side valve cover? if so, was there a difference in the amount of oil in the catch can?

when i switched ports, the volume of oil in my catch can went way down. that's how i convinced myself the problem was the valley cover (actually, ported vent underneath)

truthfully, rerouting the line is easy and does not make any difference to the engine. secondly, as long as you are catching the oil and making sure that the crankcase is not more than a quart low.........the volume collected in the catch can doesn't really matter.
i did not want the longer hose across the top of my engine, so i changed the valley cover.
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Old 05-23-2014, 06:59 AM   #88
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I think the PVC system on your car is defective. There is no way your intake manifold should be taking in that much oil. Imagine running like that without a catch can... I would call chev dealers and speak to the service department until one of them will do the work. Slip the guy a $100 if needed.
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Old 05-23-2014, 01:08 PM   #89
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I think the PVC system on your car is defective. There is no way your intake manifold should be taking in that much oil. Imagine running like that without a catch can... I would call chev dealers and speak to the service department until one of them will do the work. Slip the guy a $100 if needed.
After I try the above process of elimination step that was mentioned by re routing the hose, I may try one last dealer, as reluctant as I am to go now. It is under new car warranty still after all.

Yeah, the idea of no catch can makes me CRINGE! Imagine had I not proactively installed one, no one including myself would know anything, until 20000km later, when the engine would be gunked up and in dire need of an internal cleaning with chemical solution.
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Old 05-23-2014, 01:10 PM   #90
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Camaro Dude, have you moved the line from the valley cover to the rear of the driver's side valve cover? if so, was there a difference in the amount of oil in the catch can?

when i switched ports, the volume of oil in my catch can went way down. that's how i convinced myself the problem was the valley cover (actually, ported vent underneath)

truthfully, rerouting the line is easy and does not make any difference to the engine. secondly, as long as you are catching the oil and making sure that the crankcase is not more than a quart low.........the volume collected in the catch can doesn't really matter.
i did not want the longer hose across the top of my engine, so i changed the valley cover.
I do feel better now with what you wrote.

No I haven't tried this yet, but you have convinced me to do so!
I'll report back with my findings.
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