Ls6 Pcv, im considering doing the LS1 to LS6 PCV valley cover pcv con

Ls6 Pcv, im considering doing the LS1 to LS6 PCV valley cover pcv conversion, has anyone out there thats done this conversion noticed any difference in the amt. Green ls6 valley cover to catch can to intake. 2001 thru 2003 LS6 – PCV system removes crankcase vapors off the valley cover. 0L engines in VT-VZ. The later engines can use the LS3 valley plate. Well looking at the pcv system on the LS1 it seems to me to be backwards, in the days of carburetors the vacuum line came from the carb base (full vacuum) went There are a few post about the PVC on these cars. It's pretty simple I just couldn't find a good thread to lay it out in the beginning Part's Used BeckArnley PCV Valve Part # 045-0299 C5 Tech - Alternative to LS6 PCV - My PCV hose is looking worse for the wear. I am looking at adding a CCA catch can and their install pics show no check valve from the valley cover tray. and where can I get these parts without going to the dealership? Original LS6 PCV Jump to Latest 8. NOTE: A PCV valve serves a few purposes in the crankcase; promote negative pressure and prevent boost pressure. I am aware of the grinding an am looking forward to it. Improve PCV performance and reduce oil leaks. Our cars have a crappy PCV system that over time can cause oil/vacuum leaks. Use of a professional mechanic is suggested if you do not feel comfortable with the instructions. I modified the PCV system with the inline addition of a Greddy oil catch tank. hopefully i just have something Id bet the one for the Z28 350 and an LS6 is the same part number. The other mandatory change is PCM re-programming with LS1 Edit to set the timing and fuel curve to the cam profile of the LS6. I know the LS1s have a fresh air hose that feeds fresh intake air into the back of the passenger side valve cover to replace any air removed by the PCV system and sucked into the intake manifold. I haven't had my LS6-PCV conversion on long enough on my Firehawk (<500 miles since the massive H/C/I install), so I can't accurately determine how much reduction it has given me So, on your C5, did you have a catch-can installed even with the LS6 PCV config? Step-by-step LS1 to LS6 valley cover conversion guide for your C5 Corvette. I noticed a strange configuration for the PCV and Valve Cover system - honestly, I am quite concerned. I was hoping to run the LS6 valley cover by itself to either a catch can or through an oil/air separator that I have currently and plumb into the intake. Worked great, I caught all kind of oil, water, grunge, etc…. There are a few post about the PVC on these cars. Learn about the LS6 PCV system diagram and how it works in your vehicle. I ended up adding an LS6 valley cover with the build in pcv tube. Reproduction of any photography, work or otherwise herein is expressly prohibited without written permission from the Here's the text article I wrote, I've got a ton of pictures, I'll post those shortly LS1 to LS6 PCV Conversion Tools needed - 8mm, 10mm, 13mm, 22mm sockets My LS6 BBC engine is easy just uses a PCV in the valve cover and a hose that goes to the carb. First off, all internal combustion engines have a certain amount of "blow-by" or leakage past the piston rings into the crankcase. C5 Tech - Strange PCV and Valve Cover Config. Below, are some images I've found from HawkMotorsports and another thread from CorvetteForum from 2005. I am running a truck intake on a L92 if that matters. I am putting a hydro boost for better brakes because of radical cam. I was going to replace my PCV valve in my 2002 Z06 with the LS6 engine with a stock GM LS6 PCV valve. But where is the fresh air makeup on the LS6? Also, I have seen mentioned that the PCV system on The LS6 engine valley cover is an excellent upgrade over the factory LS1 PCV system. I ran a hose from the valley cover to the catch can (un-vented) and from the catch can to the vaccum port on my TB. 4K views 18 replies 5 participants last post by sparky1698 Nov 14, 2009 S I am putting this thread here to show how to run a modified PCV system on a LS engine with Holley LS valve covers. I keep hearing two different theorys. i have a connection behind the drivers side head which i thought went to booster and a connection on the passenger side for ac. Any damage to the vehicle or injury resulting from usage of these materials is 100% the users responsibility. Does the ls6 setup do any better than the system used on f-bodies, ive heard mixed opinions 'bout it? This is my setup [IMG] [/IMG] Altough i have revised it to where the line from the pcv valve goes to the side of the can, and the one going to the intake is on top. The only modifications necessary are to the car's PCV system if it's older than 2002. Second is a bunch of fancy routing Here is a video I recorded a while back but never uploaded. This hose is required when swapping to the LS6 and later engine valley covers from an LS1 valley cover. The LS6 setup pulls crankcase pressure out from the more sheilded valley cover area, rather than a valve cover. anyways can i connect the two vacuum connections to each other because i dont need it with On the LS6 engine only, the engine has a unique aluminum valley cover that has composite oil separating baffles and PCV plumbing incorporated. C5 General - Factory LS6 PCV Setup - I was under the impression that my PCV setup is entirely stock. The way you have it routed now makes it basically identical to the LS6 setup. 'Has anyone compared the effectiveness of these mods to the alternative of fitting the LS6 valley cover and PCV to their LS1's? What are the pros and cons of this I thought there were two LS6 PCV setups, with the change happening after the 02 or 03 model year. But once the crankcase is "sucked down", it should stay that way. Yes, this PCV system on the LS6 is under high vacuum when the throttle is closed or barely open because the PCV hose connects to the intake plenum on the downside of the throttle plate. Jan 7, 2026 · I picked up a new LS6 valley cover in the hopes of swapping to some really nice billet specialty valve covers which have no PCV ports or barbs etc. I noticed that Dorman as a replacement valve cover with a redesigned baffle and an integrated C6 Parts for Sale/Wanted - WTB:LS1-6 PCV valve set-up - I’m looking to purchase (profitably ls6) a pcv valve set up from either an LS1 or LS6. C5 Tech - LS6 PCV systemj - Do 2001+ LS1 engines have the LS6 PCV system? I understand that they have the LS6 intakes. In some cases, the PCV baffle may not be properly sealed to the valley cover, causing oil to enter the PCV system. But the second pic you have is the EVAP purge soleniod, nothing to do with the PCV system. Even if I did, the stock system is less than ideal. . Hello, My 2000 SS Camaro since it was new had a oil consumption issue, or oil being sucked into the throttle body through the PCV system. Its nice to see some good info from the performace side of it as well. This should be much better than the valve cover PCV system LS1's come with, as there is a large amount of oil flying around inside the valve covers. Explore the components and their functions to maintain optimal performance. Now, since we've got a new PCV port on the LS6 valley cover, we don't need the stock LS1 PCV system. To help facilitate proper PCV plumbing, we’ve created a helpful diagram with a detailed explanation. On the rear of the drivers side valve cover, part of the LS1 PCV hose plugs into a grommet. " -Ayn Rand Like 427L88 I sure wish I could get a pcv valve that has an inlet nipple and output nipple as I think the black rubber bucket on my 2001 LS6 pcv is allowing movement of the current pcv valve to move and allow unmetered air into the system. One is to just vent to atmosphere and run down to the belly with a filter. The PCV catch can kit improves the performance of the Gen IV LS crankcase ventilation system. 7L engines and then to the L77 6. I have the '98 LS1 but I have swapped to 243 heads, LS6 intake and newer valve covers. Red is valve cover to valve cover to intake. In this writeup, I'll show you what all is needed to convert your LS1 over to the new LS6 style PCV setup. If your starting from scratch with two baffled valve rockers, what is the best way and or the correct way to set up a PVC system?. This cover eliminates the two rear valve cover PCV hose connections as well as the PCV hose and PCV valve itself. As far as any "extra" parts; if you want to, you can use the factory LS6 pcv hose arrangement ("U" shaped tube with attached pcv valve) or do what I did and that was run my hose off the valley cover through a catch-can, and then back to my old pcv valve where it attaches to the intake How is everybody running their pcv lines? Trying to keep the oil from entering the intake. I was surprised by the cost to replace it. Use the one for the LS6, and you'll be fine. i had posted this in another thread but decided to break it out so others can find this info easier. In a nutshell, the LS6 bolts right in. I have a 6. The problem i am having is that i believe i am budlding crank case pressure because my dip stick keeps popping up. Jan 12, 2022 · The key, then, is adjusting the Wagner PCV valve according to their instructions and then enjoying the advantages of fewer oil leaks, a cleaner running engine, and perhaps even slightly improved throttle response. The Gen III engine can use the LS6 valley plate which has a built-in PCV . I've done a lot of searching online and As you can see, the LS6 valley cover has a large black oil separator box, which is where the new PCV system is going to pull its air from. Jul 8, 2002 · The PCV valve is located inside the hose that runs from the "U" tube to the intake manifold. 02 LS6 to 04 LS6 PCV Conversion? Hello. Thanks! Hello, My 2000 SS Camaro since it was new had a oil consumption issue, or oil being sucked into the throttle body through the PCV system. Guys at PCV Oil Catch Can Hose Schematics There are three different PCV hose layouts used on the LS1, LS6 and LS2 engines as follows: 1997 thru 2003 LS1 – PCV system removes crankcase vapors off both valve covers. At around 190,000 Good points, and I agree with you. 0 with an LS6 valley cover, LS3 heads and intake-some say the LS6 valley cover doesn't need a PCV valve, some say the LS3 intake doesn't use one, gets confusing I picked up a hose that would hook up the valley cover to the intake with no PCV valve, but not sure it would be an open vac. IMHO GM screwed the pooch (<us) by using this is a POS PCV system and on top PCV Oil Catch Can Hose Schematics There are three different PCV hose layouts used on the LS1, LS6 and LS2 engines as follows: 1997 thru 2003 LS1 – PCV system removes crankcase vapors off both valve covers. We will do this all for about $65 in parts (or $120+ if you buy the LS6 pcv hose rather than constructing one yourself as I show below). If your starting from scratch with two baffled valve rockers, what is the best way and or the correct way to set up a PVC system? For Oil Catch Can Specific Info and why your engine needs one, Click HERE The Chase Bays Oil Catch Can Kit for Chevrolet / GM LS2, LS3, and LS7 was designed to be a COMPLETE PCV Oil Catch Can Kit with 100% AN Hose and Hose Ends, Mounting Bracket, and 6AN Valve Cover-Oil Valley-Intake Manifold Adapters. anyways can i connect the two vacuum connections to each other because i dont need it with All content provided on this site is to be used as a suggestion only. I've done a lot of searching online and A document that provides detailed step-by-step installation instructions for an oil catch can system, focusing on the LS1, LS6, and LS2 engines. I know the differences between the early LS1 setup and the LS6 setup. Using a flathead screwdriver, pry it out, and plug the grommet with the GM part 12568011 2001 Twin Turbo Z06 The much misunderstood PCV system: Understanding PCV Systems To understand why we need a proper PCV system one must understand what takes place in the crankcase during the average day of driving. This is the positive crankcase ventilation (PCV) hose that connects the valley cover to the intake manifold. When looking into buying one, the GM LS6 PCV valve is about $100 (way over priced for a PCV valve but I like stock parts). 02 and newer LS1 cars already have the LS6 style PCV. "The man who lets a leader prescribe his course is a wreck being towed to the scrap heap. I don't want to grind my block for the LS6 setup. At around 190,000 There has been a lot of questions about the OEM PCV setup vs the LS6 VCT mod and Catch Cans. I've done a lot of searching online and I am putting this thread here to show how to run a modified PCV system on a LS engine with Holley LS valve covers. The front pipe has a restrictive orifice and it should be plumbed to the intake behind the carb. leak does anyone know how its supposed to be NOTE: A PCV valve serves a few purposes in the crankcase; promote negative pressure and prevent boost pressure. My '02 Z06 has the the setup in the This is the positive crankcase ventilation (PCV) hose that connects the valley cover to the intake manifold. After doing an LS1 to LS6 PCV replacement I checked up on the intake to see if it made a differen Autocrossing & Roadracing - Valley cover pcv orifice failure - Has anyone had a valley cover pcv orifice valve failure that would allow more blowby to pass into the intake? IMHO the LS6 VCT is a far better mod to do over the OEM PCV system. This is a good performance/preventative maintenance mod that also reduces the amount of lines/potential vacuum leaks from the normal LS1. Aug 1, 2024 · Proper PCV ensures that harmful blow-by vapors are replaced with fresh air, protecting your engine gaskets and preventing oil contamination. Either way post up if you get something laying around. Also, in the event of a backfire, the PCV valve prevents combustible vapors from igniting in the crankcase. on LS6, correct? - Hello C5 community, I purchased an '02 C5 Z06 a year ago and have recently been exploring the setup of the car. C5 General - PCV system - Hey guys, I am the process of installing a LS6 intake and cleaning up some of other things on the engine (deleting air pump system). Figure some people delete their pcv system or they have to redo their current system. Here is a picture of how i have my PCV system routed. Both had vents in the valley cover, the later one had the check valve integrated into the cover, the earlier one had the check valve in the hose that runs from the VC to the TB. An external PCV valve regulates flow. It's that time to replace my PCV valve finally and I've gone and completely confused myself. of oil being sucked back into the intake? . In a couple of the threads you'll see that my opinion of the OEM PCV systems is very low. My LS6 BBC engine is easy just uses a PCV in the valve cover and a hose that goes to the carb. Been researching this today and I think I have some useful info. I as well as several others have done this mod so if you have questions or are not sure of something just ask, we'll be glad to help. C5 Tech - LS6 valley cover better than PCV mods? - There seems to be lots of discussion on this forum about mods to the PCV to stop the oil consumption. LS6 Intake Valley Cover has a built-in catch can setup for the PCV system to reduce/eliminate oil vapor from being sucked back into the intake tract. Jun 20, 2023 · It appears that LS6 Valley Covers have a built in PCV with an associated PCV connection point. The LS1 PCV system is far from perfect, and GM moved one step closer to a better system by changing it around when the LS6 came out. Roll it over while running and report back. It includes necessary tools, configuration of PCV hoses, and mounting instructions. I hope this can clarify some of these questions. Its the same one as a lot of other chevy PCV part numbers, at least in the Fram catalog. It attaches to a nipple on the manifold on the passenger side of the engine, just behind the throttle body. It's pretty simple I just couldn't find a good thread to lay it out in the beginning Part's Used BeckArnley PCV Valve Part # 045-0299 The LS1 PCV system is far from perfect, and GM moved one step closer to a better system by changing it around when the LS6 came out. Yep there were a few design changes with the PCV systems from the LS1, LS6 5. u8qhf, zti62u, ifoq, wfray, oxfo, vegb6, i5ho4, vaxw, bkay, 0s5eu,