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Old 04-26-2013, 02:13 PM   #35
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Sure.

LFX & LLT are very similar in this area. There are tons of owners going 100-150k miles w/out issue if cared for properly. These are amazing engines and the only reason there are issues I blame on marketing dictates, not the engineers. They are amoung the best in the world.

The timing chains have a very low profile gear set that is great for less friction, but it is very oil pressure dependant to keep the chain tension where it needs to be (the tensioners have spring back-up, but the oil pressure is critical to keeping proper tension) to prevent "jumping timing" by the chain sliding teeth on the gears, so two things happen. One, use of the lower grade DEXOS approved blend oil results in accelerated chain stretch (only use full syn after break in), and 2, if the engine is run low on oil (as so many do as there is no low oil level indicator) when coming to a stop, or a corner, or acceleration (anything that causes oil in the pan to move from the pick up) can result in the oil pump momentarily sucking air (even if the guage does not show as the guage responds slowly) and then the tensioners allow slack, and the chain can jump teeth. If it jumps more than a few the result is the valves hit the pistons and then catastrophic failure is the result.

So, it is not really a design flaw in the engine itself....it is the marketing politics of the target demographics for a certain model. The V6 camaro is the entry level, lower priced for those that want the looks, but economy and low cost of maintanance are on the buyers mind....so marketing lists 87 octaine (cheap fuel) when 93 the car will run better and get better fuel economy, DEXOS blend oil instead of full synthetic, 10k mile oil changes, etc. so the results are the issues many experiance. I know its hard for alot to grasp what all goes on behind the scenes in auto manufacturing and marketing, but management, marketing, and legal dictate what is disseminated to the public (just look at posts from the GM service reps on forums...all are a canned pre-approved response as it is all so controlled what you the consumer see/here. That should not be taken as not doing a good job to help forum members, in fact we should all appreaciate how they are here to help as much as they are able. They are just very controlled on what they can reply in public), and not what is best for the vehicle and the owner wanting their baby to be the best and last the longest. It is all a balancing act (and one of the most frustrating aspects from the engineer's standpoint) on making these the best within budget restraints and competing aganst the same segment Ford, Crys, the inport's, etc. have offerings in. And this is in ALL production cars and light trucks.....not just GM so owners of other brands have issues as well, so don't abandone such great cars as these are....just get educated )and not misinformation) and get back in touch with your car and its quirks like we all had to in the old days. How many have even tried to check your trans fluid level? (no dipstick, dealer service only). How often do most open the hood and check oil and other fluid levels? We as members here are a miniscule minority of the owners out there. Most never are aware of these issues and trade every few years for a new model. Forum members for the most part want to learn, and get the most enjoyment out of their car....and no matter what motor you get, these are awesome cars period.

Ask any more questions and I will do my best to answer, but none of it will be politically correct....only facts.

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Old 04-26-2013, 05:31 PM   #36
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where is this PCV orfice located?
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Old 04-26-2013, 05:57 PM   #37
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Ask any more questions and I will do my best to answer, but none of it will be politically correct....only facts.

Thanks Tracy.
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Old 04-26-2013, 05:59 PM   #38
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AKA-22, on the V6, it is on the rear of the passenger side valve cover. The PCV hose that connects to the intake manifold leads back to it.

I can't speak to the V8.
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Old 04-26-2013, 06:25 PM   #39
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V8 LS3 is in the valley cover assy, L99 is the rear of the drivers side valve cover.


The V6 is the one with the issue more than the V8. Most V8's dont have the orfice clog like the V6, and its 7/64" drill....not 5/64ths like I posted earlier.

It comes out pretty easy on the V6, V8 you cant remove it so valve cover has to come off.

On the v6, twist the base with a plyers and pull up and it pops out. Drill, clean, and push back in until fully seated.

Here is a pic of before:

Here is after:
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Old 04-26-2013, 06:26 PM   #40
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AKA-22, on the V6, it is on the rear of the passenger side valve cover. The PCV hose that connects to the intake manifold leads back to it.

I can't speak to the V8.
thanks!
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Old 04-27-2013, 12:54 PM   #41
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Just as an aside, I broke my engine in the "Tracy Way" and have zero problems at 18K+ miles so far. No oil consumption and very little was showing up in my catch can.

And I check my oil regularly.

John B.
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Old 04-27-2013, 12:57 PM   #42
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Old 04-27-2013, 01:05 PM   #43
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Just as an aside, I broke my engine in the "Tracy Way" and have zero problems at 18K+ miles so far. No oil consumption and very little was showing up in my catch can.

And I check my oil regularly.

John B.
But your supposed to follow to lawyer break-in procedure written in the manual for maximum performance! Lmao.

Tracy's way for me for both my Camaro's! My V6 and now my SS have never lost a drop of oil and my SS drive like a beast.


Sent from my 2SS/RS
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Old 04-28-2013, 06:41 PM   #44
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how to remove the v-6 one??
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Old 04-28-2013, 09:53 PM   #45
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I haven't done mine yet, but what I've heard is you just gently pull and twist it out.
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Old 04-29-2013, 11:21 AM   #46
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With a plyers, grab at the base and twist to break free, then pluu straight up.

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Old 06-06-2013, 04:21 PM   #47
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I'm just over 400 miles on my 2012 2LT/RS. It had 90 miles when we bought it and we drove it home 175 miles at highway speeds, 75 - 80 MPH. Would that have helped in with the early break-in? I have been getting on it some just because it's fun but I've been trying to really stay off hitting it hard due to the break-in. My wife is the main driver and won't be getting on it too much, except when merging or passing, etc...

Should I go find an open Oklahoma country road and have some fun every couple days until it hits a 1,000 miles?

She's getting ready for a road trip to Alabama here the end of next week so she's going to put on close to 2,000 miles, mostly highway.

Another thing - What is GM's fix when/if oil consumption becomes an issue?
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Old 06-06-2013, 05:48 PM   #48
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Originally Posted by Chad 2012 RS View Post
I'm just over 400 miles on my 2012 2LT/RS. It had 90 miles when we bought it and we drove it home 175 miles at highway speeds, 75 - 80 MPH. Would that have helped in with the early break-in? I have been getting on it some just because it's fun but I've been trying to really stay off hitting it hard due to the break-in. My wife is the main driver and won't be getting on it too much, except when merging or passing, etc...

Should I go find an open Oklahoma country road and have some fun every couple days until it hits a 1,000 miles?

She's getting ready for a road trip to Alabama here the end of next week so she's going to put on close to 2,000 miles, mostly highway.

Another thing - What is GM's fix when/if oil consumption becomes an issue?
Congrats on the vehicle!

We also hope you have a fun and safe trip to Alabama. Just wanted to post some helpful tips for anyone interested during new vehicle break-in for the first 2,414 km (1,500 mi) for the 2012:

. Avoid full throttle starts and abrupt stops.
. Do not exceed 4,000 engine rpm.
. Avoid driving at any one constant speed, fast or slow.
. Do not drive above 160 km/h (100 mph).
. Avoid downshifting to brake or slow the vehicle when the engine speed will exceed 4,000 rpm.

Wish you all the best ,

William R.
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Old 06-06-2013, 06:34 PM   #49
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Thanks for the tips!

Full throttle starts??? I've never done that with any vehicle. It doesn't even sound right.
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Old 06-06-2013, 07:08 PM   #50
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Here is a recent email we received from a customer going through this nightmare. We cant reverse all of these, but if we can stop further ingestion and get the ringlands clean and rings freed up the results are as follows:

Hey Tracy, Just wanted to thank you, and everyone at RevXtreme. I bought a catch can from you, for my 2005 CTS. Well since installing it i'm not consuming any oil anymore. I've had a close eye on the oil level since i have installed it and it hasn't used a drop. I don't know how or what that catch can has done to prevent the oil consumption. (I've read your tech tips article and understand the concept of how a catch can work.) I guess i am just baffeled that it something so simple like that could work.

Anyway just wanted to thank you. I was at my last wits end with this car and was about to put it back on the market, after the dealer replaced two motors under warrenty.

I'll be purchasing another catch can from you in the future. I have a 2000 Camaro SS that is getting a turbo as we speak, as a fun project street car.

But thanks again. It was definitely worth the wait.

Gabe Moulden
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Old 06-06-2013, 07:28 PM   #51
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V8 LS3 is in the valley cover assy, L99 is the rear of the drivers side valve cover.


The V6 is the one with the issue more than the V8. Most V8's dont have the orfice clog like the V6, and its 7/64" drill....not 5/64ths like I posted earlier.

It comes out pretty easy on the V6, V8 you cant remove it so valve cover has to come off.

On the v6, twist the base with a plyers and pull up and it pops out. Drill, clean, and push back in until fully seated.

Here is a pic of before:

Here is after:
Dumb question? Where's this located to do this mod... Thanks in advance!
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