Puff of white smoke when starting

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  #1  
Old 08-18-03, 10:41 PM
samwise
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Puff of white smoke when starting

90 Cheverolet Camaro
5.0 L V8, TBI
121,000miles
3rd owner

It smokes when I start it. The spark plugs were changed on 8.10.03. None of the plugs showed excessive wear or deposits of any kind. They just looked old and faded. The wires were all intact without any breaks or burns anywhere. The oil is changed every 3000-3500 miles with Penzoil 10W30. The engine looks very clean without oil drainage anywhere. It idles pretty smooth, but I can tell the decrease in horsepower over the past year. Any and all input is greatly appreciated.
 
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  #2  
Old 08-19-03, 03:48 AM
Joe_F
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Arrow

If it only puffs when you start it up, generally it's valve stem seals.

Very common on this Chevrolet V8, and all Chevrolet V8s. Always notorious puffers.

Rebuild time (on the upper end).
 
  #3  
Old 08-19-03, 07:44 PM
chevman
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I AGREE WITH JOE PROBABLY VALVE STEM SEALS, THEY CAN BE CHANGED WITHOUT REBUILDING TOP END
 
  #4  
Old 08-21-03, 07:12 AM
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Join Date: Aug 2003
Location: Barre,Vermont
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IF YOU CAN LIVE WITH THE SMOKE, LEAVE IT ALONE.....
 
  #5  
Old 08-22-03, 03:06 AM
samwise
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Thanks guys

Will definitely have to do some more research before I tackle that one. Is it something the slightly above average do it yourselfer can tackle? Thanks again
 
  #6  
Old 08-22-03, 03:40 AM
Joe_F
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Probably could be done at home, I don't see a machine shop charging much to do it if you do the rest of the work yourself.
 
  #7  
Old 08-22-03, 05:17 AM
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Join Date: Aug 2003
Location: Barre,Vermont
Posts: 472
IT'S A VALVE SEAL PROBLEM THAT THE CAR WAS BORN WITH. ADUSTING THE VALVES IS A PROCESS THAT CAN BE TRICKY...
YOU ALSO NEED TO BE ABLE TO PRESSURIZE THE COMBUSTION CHAMBER TO HOLD THE VALVES WHEN YOU TAKE THE VALVE SPRINGS OFF. AND ON A CAMARO, GETTING THE SPARK PLUGS IN AND OUT IS ENUFF OF A PAIN, EVEN FOR A PRO...IF IT WAS ME, I'D LEARN TO LOVE THAT SMOKE.....
 

Last edited by bigguy05641; 08-22-03 at 05:32 AM.
  #8  
Old 08-22-03, 09:41 AM
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Join Date: Nov 2001
Location: North Texas
Posts: 2,345
it a chevy thing

I had a 1979 Chevy Nova with a 305 engine in it every morning it would puff a little blue smoke for a few seconds.I lived with it for years no problem.Valve guides are worn.
 
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