Forced Induction Superchargers | Turbochargers | Intercoolers

Yet another PCV thread

Old Jul 12, 2008 | 12:30 PM
  #1  
DanWS6's Avatar
Thread Starter
11 Second Club
iTrader: (5)
 
Joined: Feb 2005
Posts: 553
Likes: 0
From: Kansas City
Default Yet another PCV thread

I recently added the LS6 valley cover to my car and this is how I'm thinking of running my new crankcase breather setup.



Does anyone see a problem with it?
Reply
Old Jul 12, 2008 | 05:30 PM
  #2  
code4's Avatar
9 Second Club
20 Year Member
Photogenic
Photoriffic
Shutterbug
iTrader: (30)
 
Joined: Apr 2004
Posts: 1,419
Likes: 0
Default

Originally Posted by DanWS6
I recently added the LS6 valley cover to my car and this is how I'm thinking of running my new crankcase breather setup.



Does anyone see a problem with it?
That's almost exactly what I have except I installed little filters directly on the valve covers instead of hose to a filter.

Some may argue that while in boost you're not getting proper crank ventilation but I have had no problems.
Reply
Old Jul 12, 2008 | 05:47 PM
  #3  
DanWS6's Avatar
Thread Starter
11 Second Club
iTrader: (5)
 
Joined: Feb 2005
Posts: 553
Likes: 0
From: Kansas City
Default

I just wanted to make it easy to get to that breather to clean it. I'm thinking I should run two separate breathers off each vent instead.

I'm not sure how big of a deal it is to vent the crank case under boost either.
Reply
Old Jul 12, 2008 | 09:10 PM
  #4  
John_D.'s Avatar
TECH Fanatic
iTrader: (2)
 
Joined: Feb 2004
Posts: 1,315
Likes: 1
From: Lebanon TN
Default

You need to vent the crankcase under boost, or you'll push out the dipstick or a seal. A single breather should be enough as long as the line isn't restricted. You may get some oil on the breather element after a while.

I would keep a pcv valve in the pcv line, just to limit the amount of air pulling through there at idle,
or adjust the tb stop to let the throttle blade close a little more so the IAC can still manage the idle speed.
Reply
Old Jul 12, 2008 | 10:51 PM
  #5  
DanWS6's Avatar
Thread Starter
11 Second Club
iTrader: (5)
 
Joined: Feb 2005
Posts: 553
Likes: 0
From: Kansas City
Default

Originally Posted by John_D.
You need to vent the crankcase under boost, or you'll push out the dipstick or a seal. A single breather should be enough as long as the line isn't restricted. You may get some oil on the breather element after a while.

I would keep a pcv valve in the pcv line, just to limit the amount of air pulling through there at idle,
or adjust the tb stop to let the throttle blade close a little more so the IAC can still manage the idle speed.
Yeah that's why I have a breather coming off the rear vents on the valve covers. I hadn't considered leaving the pcv valve in there, that might be a good idea. I guess that should go between the check valve and the intake.
Reply
Old Jul 13, 2008 | 04:24 AM
  #6  
SStolen's Avatar
TECH Fanatic
iTrader: (22)
 
Joined: Apr 2002
Posts: 1,621
Likes: 2
From: Louisville, Ky
Default

Instead of doing the filter off the two rear valve cover taps, why don't you just leave the factory PCV line attached connecting the driver to passenger side and run a metco breather on the driver side where the oil cap goes? Looks cleaner and the breather is easy to get to because its right up front.
Reply


Thread Tools
Search this Thread

All times are GMT -5. The time now is 04:55 AM.

story-0
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-1
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-2
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-3
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-4
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-5
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-6
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-7
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE
story-8
Five Reasons the Camaro Was the Most Pivotal Player in the Pony Car Wars 2.0

The world was a better place when it was still around.

By Brett Foote | 2026-01-23 09:20:37


VIEW MORE
story-9
10 Reasons the LS7 Is GM's Most Extreme Naturally Aspirated V8 Engine Ever

Slideshow: The 7.0-liter LS7 was designed for absolute cutting-edge performance.

By Verdad Gallardo | 2026-01-07 18:36:00


VIEW MORE