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LS6 vally cover on a LS1 , worth it?

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Old 07-01-2008, 08:44 AM
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Originally Posted by StevieZ
Why bother with a PCV system if you are running a breather? The breather nulls any positive crankcase ventilation (PCV)that the PCV setup would do.
Because it works .. I use no oil ... unless you think that a 1/2 quart every 5,000 miles is excessive...I do not have any oil in my intake..and I do not have some dead weight catch can cluttering up the engine bay...the car has 163,000 + miles on it now and makes 452 RWHP is a dailey driver and I am very satisfied with this set up to say the least.
Old 07-01-2008, 10:43 AM
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Originally Posted by slt200mph
Because it works .. I use no oil ... unless you think that a 1/2 quart every 5,000 miles is excessive...I do not have any oil in my intake..and I do not have some dead weight catch can cluttering up the engine bay...the car has 163,000 + miles on it now and makes 452 RWHP is a dailey driver and I am very satisfied with this set up to say the least.
Maybe you don't use oil but you have absolutely no positive crankcase ventilation so your PCV itself is absolutely useless. You would get the same result if you took it right off and capped the holes. Better off just running the breather byt itself.

Last edited by StevieZ; 07-01-2008 at 05:19 PM.
Old 07-01-2008, 11:34 AM
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Originally Posted by StevieZ
Maybe you don't use oil but you have absolutely no positive crankcase ventilation so your PCV itself is absolutely useless. You would get the same resuylt if you took it right off and capped the holes. Better off just running the breather byt itself.
I do not have time to argue with you ... I will have to disagree ... it works very well and you can't argue with the results..have a nice day..
Old 07-01-2008, 01:11 PM
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Originally Posted by slt200mph
I do not have time to argue with you ... I will have to disagree ... it works very well and you can't argue with the results..have a nice day..
Not aguing and I am glad you have no oil consumption but you most CERTAINLY DO NOT have "positive crankcase ventilation "if you are running a breather to open air! Don't take my word for it....Ask any well known engine builder.
Old 07-01-2008, 03:26 PM
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[QUOTE=StevieZ;9659940]Not aguing and I am glad you have no oil consumption but you most CERTAINLY DO NOT have "positive crankcase ventilation "if you are running a breather to open air! Don't take my word for it....Ask any well known engine builder.

Like I said it works very well and it was recommened by a very known sponsor of this website..I don't have time to argue with you or what ever the phuch you want to call it...I was building NHRA national record holding engines before you were born..have a nice day
Old 07-01-2008, 04:08 PM
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[QUOTE=slt200mph;9660765]
Originally Posted by StevieZ
Not aguing and I am glad you have no oil consumption but you most CERTAINLY DO NOT have "positive crankcase ventilation "if you are running a breather to open air! Don't take my word for it....Ask any well known engine builder.

Like I said it works very well and it was recommened by a very known sponsor of this website..I don't have time to argue with you or what ever the phuch you want to call it...I was building NHRA national record holding engines before you were born..have a nice day
Why are you taking recomendations from someone else if you were building NHRA "record holding engines" since before I was born?(1956)
Jerkoff! .. Ask someone who knows before you open your pie hole

Last edited by StevieZ; 07-01-2008 at 04:14 PM.
Old 07-01-2008, 04:30 PM
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[QUOTE=StevieZ;9660996]
Originally Posted by slt200mph
Why are you taking recomendations from someone else if you were building NHRA "record holding engines" since before I was born?(1956)
Jerkoff! .. Ask someone who knows before you open your pie hole
First you were a Mr. Knowitall and now you have proved to be nothing more than a rude person with very little knowledge and less integrity that stoops to name calling...my signatue says 200 mph because I have done that in the 1/4 mile when you go that fast let me know and I'll start paying attention to what you say..geeeze where do these people come from...

PS When you get a little more mature you will realize that your learning curve never stops...different technologies and techniques are always evolving....engine managment wether it is carburators/distributors, hilborn injection/supercharger/magneto, or electronicly controled fuel injecton with a pcm...nothing stays the same...when someone who owns a well known LSx shop has a recommendation for me on a street engine I was eager to hear what he had to say.

PSS 1956 I am so Sorry ... let me rephrase that statement .. before you were out of high school ... hay mr. 11 second club let me know when you join the 6 second club and I'll send you a case of champagne.

Last edited by slt200mph; 07-01-2008 at 04:58 PM.
Old 07-01-2008, 04:32 PM
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Old 07-01-2008, 05:10 PM
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Yah whatever... OK apologies for any rude comments but you started. NOW. Explain to me how your PCV system is not pulling fresh air in from the breather??

Last edited by StevieZ; 07-01-2008 at 05:20 PM.
Old 07-01-2008, 05:12 PM
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Originally Posted by PREDATOR-Z
If you use a LS6 Valley cover you need the follwing to duplicate its effectiveness:

>Mod the valley if older block
>Use the true LS6 PCV valve setup
>re-route your PCV lines (removing driver side crossover and capping at outlets with nipples)

Only then will it be as effective as on a true LS6
TR has a full kit.
I did all that, still got oil in intake. Useless mod imo.
Old 07-01-2008, 05:14 PM
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Originally Posted by INMY01TA
I did all that, still got oil in intake. Useless mod imo.
I agree!! ESPECIALLY with a stroker.
Old 07-01-2008, 05:20 PM
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Originally Posted by INMY01TA
I did all that, still got oil in intake. Useless mod imo.
I don't think it is useless, I'm going to use it as another place to pull the excess gases from. I don't run a PCV valve, instead I use a checkvalve.

I'm thinking I'll run a line from both valve covers and from the vallery cover, through my catch can/checkvalve and then back into the intake. I'll use a breather on the extra passenger valve cover for the fresh air.
Old 07-01-2008, 05:23 PM
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Originally Posted by DanWS6
I don't think it is useless, I'm going to use it as another place to pull the excess gases from. I don't run a PCV valve, instead I use a checkvalve.

I'm thinking I'll run a line from both valve covers and from the vallery cover, through my catch can/checkvalve and then back into the intake. I'll use a breather on the extra passenger valve cover for the fresh air.
Breather nullifies the PCV... common sense!
Old 07-01-2008, 05:32 PM
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Originally Posted by StevieZ
Breather nullifies the PCV... common sense!
The system needs to pull fresh air from somewhere. Since I can't pull air from the throttle body anymore where should I get it from now?

When I had huge oil consumption problems from a cracked ringland I did this:

-the front vent on the passenger valve cover went to a breather
-I disconnected the line going from my catch can through the checkvalve to the intake. (The lines running to the catch can came from both valve covers)
-removed the oil fill cap

Tons of smoke would exit through the oil cap.

As soon as I plugged the line back into the intake the smoke exiting the oil cap went away. Obviously the system pulls enough air under vacuum to clear out the crankcase. The system needs fresh air from somewhere, and the breather on the valve cover gives that.
Old 07-01-2008, 05:36 PM
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Originally Posted by DanWS6
The system needs to pull fresh air from somewhere. breather on the valve cover gives that.
Why is that? Where does a stock LS6 pull fresh air from? Crankcase pressure will be vented through the breather before it is vented through the PCV system
Old 07-01-2008, 05:38 PM
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Originally Posted by StevieZ
Why is that? Where does a stock LS6 pull fresh air from?
I don't see a good reason to put 15 pounds of boost into my crank case.

The throttle body...
Old 07-01-2008, 05:42 PM
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Originally Posted by DanWS6
I don't see a good reason to put 15 pounds of boost into my crank case.

The throttle body...
What do you mean by 15lbs of boost? You're not N/A? If that is the case then as I said before, your pressure is getting vented much more by the breather than by your PCV system
Old 07-01-2008, 05:43 PM
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Originally Posted by StevieZ
What do you mean by 15lbs of boost? You're not N/A?
Correct.
Old 07-02-2008, 07:05 AM
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It's a waste of money and effort. I know from experience. I did the complete swap. Didn't stop my engine from sucking oil into the intake. Just get a good catch can.




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