Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:

Blue smoke once at operating temp

Thread Tools
 
Search this Thread
 
Old Jul 6, 2012 | 09:18 AM
  #1  
BennyB's Avatar
Thread Starter
TECH Fanatic
15 Year Member
iTrader: (12)
 
Joined: Sep 2005
Posts: 1,079
Likes: 4
From: Omaha, NE
Default Blue smoke once at operating temp

The car a little while after my cam swap started burning oil. I did a compression test and that checked out good. I had someone tell me that if the car only burns oil when it's warm it could be an exhaust valve guide leaking oil and once the engine is warm and exhaust gets hot it will appear that it's burning oil. He said to check the plugs as well and if there's no oil deposits then that's more than likely what it is. Any thoughts on this guys, I mean it does make sense that it would be this. Any help is much appreciated.
Reply
Old Jul 6, 2012 | 09:20 AM
  #2  
BennyB's Avatar
Thread Starter
TECH Fanatic
15 Year Member
iTrader: (12)
 
Joined: Sep 2005
Posts: 1,079
Likes: 4
From: Omaha, NE
Default

I replaced valve seals as well when I did the cam and it does not burn any oil on start up.
Reply
Old Jul 7, 2012 | 01:54 AM
  #3  
BennyB's Avatar
Thread Starter
TECH Fanatic
15 Year Member
iTrader: (12)
 
Joined: Sep 2005
Posts: 1,079
Likes: 4
From: Omaha, NE
Default

Wow nobody?
Reply
Old Jul 7, 2012 | 02:10 AM
  #4  
My6speedZ's Avatar
TECH Fanatic
iTrader: (18)
 
Joined: Jun 2010
Posts: 1,789
Likes: 2
From: Salisbury, NC
Default

pushing oil through PCV?
Reply
Old Jul 7, 2012 | 03:02 AM
  #5  
I Confederate I's Avatar
Staging Lane
 
Joined: Jun 2012
Posts: 88
Likes: 0
From: Raleigh, NC
Default

Is it consistent plumes of blue smoke or the occasional puff? I mean, how much smoke are we talking? Has it done it ever since you did the cam job? Meaning, it started that day?

Last edited by I Confederate I; Jul 7, 2012 at 03:03 AM. Reason: clarification
Reply
Old Jul 7, 2012 | 07:34 AM
  #6  
BennyB's Avatar
Thread Starter
TECH Fanatic
15 Year Member
iTrader: (12)
 
Joined: Sep 2005
Posts: 1,079
Likes: 4
From: Omaha, NE
Default

It's pretty consistant especially if I let it idle for a good while it seems. As for the PVC I have a good catch can on it and it's driver side tail pipe only (true duals)
Reply
Old Jul 7, 2012 | 08:10 AM
  #7  
BennyB's Avatar
Thread Starter
TECH Fanatic
15 Year Member
iTrader: (12)
 
Joined: Sep 2005
Posts: 1,079
Likes: 4
From: Omaha, NE
Default

I didn't notice that it smoked until probably about 6 months after the cam swap.
Reply
Old Jul 7, 2012 | 01:11 PM
  #8  
sjsingle1's Avatar
TECH Senior Member
15 Year Member
Photogenic
Photoriffic
Shutterbug
iTrader: (1)
 
Joined: Feb 2010
Posts: 6,755
Likes: 292
From: Fort Worth TX
Default

how is your catch can routed?
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

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

 Verdad Gallardo
story-1

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

 Pouria Savadkouei
story-2

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

 Verdad Gallardo
story-3

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-4

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-5

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-6

Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

 Verdad Gallardo
story-7

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-8

10 Camaros You Should Never Buy

 
story-9

10 LS Engine Myths That Refuse to Die

 Verdad Gallardo
Old Jul 7, 2012 | 01:20 PM
  #9  
MyFirstLS1's Avatar
TECH Apprentice
iTrader: (8)
 
Joined: Apr 2009
Posts: 365
Likes: 0
From: Orange county, ny
Default

Sounds like valve seals to me as well. Possibly got torn or damaged on install, maybe not seated properly

Cheap enough to due just kinda labor intensive. You can do them in the car.
Reply




All times are GMT -5. The time now is 07:02 PM.

story-0
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-1
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-2
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-3
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-4
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-5
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-6
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-7
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-8
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-9
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