Generation III External Engine LS1 | LS6 | Bolt-Ons | Intakes | Exhaust | Ignition | Accessories
Sponsored by:
Sponsored by:

In bewilderment, please help! Pic inside.

Thread Tools
 
Search this Thread
 
Old Apr 17, 2008 | 05:53 PM
  #1  
sworaz's Avatar
Thread Starter
12 Second Club
iTrader: (13)
 
Joined: Jul 2006
Posts: 1,142
Likes: 0
From: Wisconsin
Default In bewilderment, please help! Pic inside.

Ok, just picked up the car and couldn't believe I missed this. Car is a H/C car and I just notived the pcv lines were not connected on the driver side rear and mid way on the passenger side valve cover. (like shown in pic)
Strange part is they aren't plugged like it was intentional...the lines are right where they are supposed to be just not plugged in. In fact, the hole on the driver side has no cover on it at all, just open with the line hanging there...there's even oil all over the firewall from it being open.
Why would the guy who owned it before me do this? If he was going to eliminate the pcv lines shouldn't he have plugged the pass. side nipple, pcv port at TB, driver side valve cover and run a breather filter on the oil fill cap?
What are my options here? Should I just reconnect all that he had undone?
Reply
Old Apr 17, 2008 | 06:02 PM
  #2  
DaddySS's Avatar
TECH Addict
 
Joined: Dec 2001
Posts: 2,907
Likes: 1
From: Bergen County, NJ
Default

Are you getting a good deal of fumes coming out while it's unning? I assume the vacuum port on the lower passenger side of the throttle body is plugged?
Reply
Old Apr 17, 2008 | 06:12 PM
  #3  
sworaz's Avatar
Thread Starter
12 Second Club
iTrader: (13)
 
Joined: Jul 2006
Posts: 1,142
Likes: 0
From: Wisconsin
Default

Haven't watched it while it's running. The vacuum port on lower pass side of TB is hooked up. I just called the previous owner and he's without a clue. I think whoever did the work on it just forgot or didn't re-hook this stuff up..?
Reply
Old Apr 17, 2008 | 06:48 PM
  #4  
stevied916's Avatar
TECH Enthusiast
iTrader: (30)
 
Joined: Jul 2007
Posts: 546
Likes: 1
From: Sacramento, CA
Default

there should be a line on there or a cap if someone put in a ls6 valley cover.
Reply
Old Apr 17, 2008 | 06:55 PM
  #5  
DaddySS's Avatar
TECH Addict
 
Joined: Dec 2001
Posts: 2,907
Likes: 1
From: Bergen County, NJ
Default

Originally Posted by sworaz
Haven't watched it while it's running. The vacuum port on lower pass side of TB is hooked up. I just called the previous owner and he's without a clue. I think whoever did the work on it just forgot or didn't re-hook this stuff up..?
Hooked up to what? The PCV port on the TB connects to a short hose, then the PCV, then runs back to the rear of the pass valve cover, the over to the rear of the drivers valve cover. The breather for the system connects from the top of the TB over to the front of the pass side valve cover.
Reply
Old Apr 17, 2008 | 09:33 PM
  #6  
sworaz's Avatar
Thread Starter
12 Second Club
iTrader: (13)
 
Joined: Jul 2006
Posts: 1,142
Likes: 0
From: Wisconsin
Default

Originally Posted by DaddySS
Hooked up to what? The PCV port on the TB connects to a short hose, then the PCV, then runs back to the rear of the pass valve cover, the over to the rear of the drivers valve cover. The breather for the system connects from the top of the TB over to the front of the pass side valve cover.
Never mind lol it takes too much time to explain, thought it was clearly explained already. I already know how a stock pcv system works and how to run it. I just wanted to see if there might have been some thoughts as to why the guy would have left them un hooked like that. I'm just going to re hook it back up the way it's supposed to be. Thanks though.
Reply
Old Apr 18, 2008 | 03:17 AM
  #7  
DaddySS's Avatar
TECH Addict
 
Joined: Dec 2001
Posts: 2,907
Likes: 1
From: Bergen County, NJ
Default

OK. My point was that the only reason I can think of to leave it open like that is that there is a good deal of blow by and the previous owner didn't want it going into the intake, and if the vacuum is hooked to the hose but the hose is unplugged, you've got a vacuum leak and are sucking dirty air. Run it to check for fumes first, then if that's OK, just hook it up.
Reply
Old Apr 18, 2008 | 08:09 AM
  #8  
TLewis4095's Avatar
Banned
iTrader: (10)
 
Joined: Oct 2004
Posts: 1,265
Likes: 2
From: Bradenton, FL
Default

Originally Posted by DaddySS
OK. My point was that the only reason I can think of to leave it open like that is that there is a good deal of blow by and the previous owner didn't want it going into the intake, and if the vacuum is hooked to the hose but the hose is unplugged, you've got a vacuum leak and are sucking dirty air. Run it to check for fumes first, then if that's OK, just hook it up.
Correct. You do not ever want open lines & you never want it all capped off. The crankcase not only has to breath, but it needs a filtered fresh air source to "flush" the harmful vapors & gasses from the crankcase. Look at the catch can threads also.
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

 Brett Foote
story-1

Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

 Pouria Savadkouei
story-2

Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

 Verdad Gallardo
story-3

7 Most Reliable High-Performance Engines GM Has Ever Built

 Verdad Gallardo
story-4

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

 Verdad Gallardo
story-5

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-6

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

 Verdad Gallardo
story-7

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-8

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-9

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
Old Apr 18, 2008 | 08:36 AM
  #9  
sworaz's Avatar
Thread Starter
12 Second Club
iTrader: (13)
 
Joined: Jul 2006
Posts: 1,142
Likes: 0
From: Wisconsin
Default

Originally Posted by DaddySS
OK. My point was that the only reason I can think of to leave it open like that is that there is a good deal of blow by and the previous owner didn't want it going into the intake, and if the vacuum is hooked to the hose but the hose is unplugged, you've got a vacuum leak and are sucking dirty air. Run it to check for fumes first, then if that's OK, just hook it up.
Originally Posted by TLewis4095
Correct. You do not ever want open lines & you never want it all capped off. The crankcase not only has to breath, but it needs a filtered fresh air source to "flush" the harmful vapors & gasses from the crankcase. Look at the catch can threads also.
Thanks for the responses.
Reply




All times are GMT -5. The time now is 01:32 PM.

story-0
6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

Don't get dad new socks or a grill brush this year.

By Brett Foote | 2026-06-09 14:55:56


VIEW MORE
story-1
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-2
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-3
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-4
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-5
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-6
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-7
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-8
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-9
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