How to remove your PCV.
Sweet. So is the catch can from Thunder Racing a good one to use? If not please let me know which one I need to buy. Also, I am not 100% sure how you want me to set this up. Is there a schematic on how this is supposed to look. Thanks man for the help, I really appeciate it.
Any catch can will do the job, some are more expensive than others. The catch can goes inline of the valve cover (or ls6 valley cover) line to the intake. The pcv valve is in the last couple inches of the hose at the intake. If you run a breather at the valve cover, tune it. The reason this is an issue is because the fresh air line is after the mass air flow sensor. Most other engines gets the fresh air before the maf. Then again, if you're running speed density, the breather filter doesnt matter since the maf isnt used.
Any catch can will do the job, some are more expensive than others. The catch can goes inline of the valve cover (or ls6 valley cover) line to the intake. The pcv valve is in the last couple inches of the hose at the intake. If you run a breather at the valve cover, tune it. The reason this is an issue is because the fresh air line is after the mass air flow sensor. Most other engines gets the fresh air before the maf. Then again, if you're running speed density, the breather filter doesnt matter since the maf isnt used.
Wow ! This seems to be a age old thing! Guys do what ya want . Having a PCV is really a must . You start pluggn ports on a tuned motor you will lose iac count and the cars idle will go nuts! Just run a pcv system its you safest option here!
Sounds good. I was just trying to see how I needed to hook mine up. I have custom valve covers and I just need a starting point on how to run them with a catch can. All the schematics I see on here are for LS1&LS6. I have an LQ9 6.0L. So I don't have anything to go off of. Thanks.
Its hard to tell in your pic but it looks like you have the ls6 valley cover with the pcv port. Looks like it has a red cap on it in the dyno pic. Install a hose from that, through the catch can, to the port on the intake (yellow cap in pic). Since you dont have factory valve covers I would still run a breather filter on the cover. You should mention how you have your pcv set up so your tuner will know to keep that in mind when he adjusts the tables. Awesome build by the way.
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Its hard to tell in your pic but it looks like you have the ls6 valley cover with the pcv port. Looks like it has a red cap on it in the dyno pic. Install a hose from that, through the catch can, to the port on the intake (yellow cap in pic). Since you dont have factory valve covers I would still run a breather filter on the cover. You should mention how you have your pcv set up so your tuner will know to keep that in mind when he adjusts the tables. Awesome build by the way.
i have a question for you guys.. kinda related to this thred. i picked up a set of valve covers that do not have any fittings in them for the vaccum lines from what i saw on the stock ones there are 2 on the passanger side and one in the back on the driverside(just took a quick glance they are still on the car).
is it possable to just weld in 3 fittings on the covers and connect the factory hoses to them? or would my only other option be to get a ls6 vally cover??
any insite on this is MUCH appretiated. Thank you!
is it possable to just weld in 3 fittings on the covers and connect the factory hoses to them? or would my only other option be to get a ls6 vally cover??
any insite on this is MUCH appretiated. Thank you!
Id say with the right skills and resources either of the 2 options you mentioned would work well.
i have a question for you guys.. kinda related to this thred. i picked up a set of valve covers that do not have any fittings in them for the vaccum lines from what i saw on the stock ones there are 2 on the passanger side and one in the back on the driverside(just took a quick glance they are still on the car).
is it possable to just weld in 3 fittings on the covers and connect the factory hoses to them? or would my only other option be to get a ls6 vally cover??
any insite on this is MUCH appretiated. Thank you!
is it possable to just weld in 3 fittings on the covers and connect the factory hoses to them? or would my only other option be to get a ls6 vally cover??
any insite on this is MUCH appretiated. Thank you!
I've got mine blocked off now after seeing the inside of my FAST90 oil soaked. I know I could have put a catch can on the thing but no need if the pressure is released anyway and with it all plugged off from the intake there really is not a way for it to get in there now incase a catch can didn't work. This blocking everything off mod is not for everyone! I tune cars so I have properly tuned the idle parameters to reflect more IAC count's to stabilize the idle. It idles just as good now as it did with it the PCV hooked up. I will say that a cam'd car will idle like poop if it was tuned with the PCV hooked up and then just blocking it off. I had to drive my car around a couple day's before I got a chance to play with idle parameters and it idled like poop before I could adjust it.
The smell part doesn't bother me cause it already stinks from the cam anyway so nothing more was really noticed! Plus if you wanna get real technical I can put a catch can on it still that is vented to catch all the vapors with a filter which does filter alot of the smell out as well.
For you guy's that are still running the PCV setup and want a little cheaper fix for oil vapor catching go to the hardware store and pick up an old carb inline fuel filter. They actually work pretty well at seperating oil vapor from the air and keeps alot of that oil out of your intake.
The smell part doesn't bother me cause it already stinks from the cam anyway so nothing more was really noticed! Plus if you wanna get real technical I can put a catch can on it still that is vented to catch all the vapors with a filter which does filter alot of the smell out as well.
For you guy's that are still running the PCV setup and want a little cheaper fix for oil vapor catching go to the hardware store and pick up an old carb inline fuel filter. They actually work pretty well at seperating oil vapor from the air and keeps alot of that oil out of your intake.
i have a question for you guys.. kinda related to this thred. i picked up a set of valve covers that do not have any fittings in them for the vaccum lines from what i saw on the stock ones there are 2 on the passanger side and one in the back on the driverside(just took a quick glance they are still on the car).
is it possable to just weld in 3 fittings on the covers and connect the factory hoses to them? or would my only other option be to get a ls6 vally cover??
any insite on this is MUCH appretiated. Thank you!
is it possable to just weld in 3 fittings on the covers and connect the factory hoses to them? or would my only other option be to get a ls6 vally cover??
any insite on this is MUCH appretiated. Thank you!
With this ^^ do you guys think it would be ok if i weld in just 1 fitting on the passanger side and have a "T" fitting on that for both the TB hose and the PCV hose to go to?? or do they need to be seperated. on the stock covers they are both on the intake edge seperated by about 2 inches..
