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Car smoking

Old Jul 15, 2003 | 11:59 AM
  #1  
EFF26's Avatar
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Joined: Jan 2001
Posts: 108
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From: KNOXVILLE,TN.USA
Car: 1991 firebird
Engine: lo3 305 TBI
Transmission: 700r4
Car smoking

Hey guys,

My car has about 126,000 miles o it and has never smoked or used very much oil. But over the last two weeks I have been losing oil somehow . The car dose not leak any oil at all . But yesterday I changed the oil and now the car will smoke for a few minutes when i first start the car in the mornings. Does anyone know why ? Or could that just be the old oil burning . But like I said the car has never used oil or smoked before . Any help would bbe appreciated.
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Old Jul 15, 2003 | 05:00 PM
  #2  
si_camaro's Avatar
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Joined: Jun 2002
Posts: 744
Likes: 1
From: England UK
Car: 85 Z28
Engine: LG4 modified
Transmission: 700R4
Is is possible that you have replaced your oil with a slightly thinner one? Like, say, 10w40 instead of 15w40? If so, it's possible that the new thinner oil is seeping into places of the engine the old thick oil couldn't get to, such as the combustion chambers.
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Old Jul 15, 2003 | 05:33 PM
  #3  
EFF26's Avatar
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Member
 
Joined: Jan 2001
Posts: 108
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From: KNOXVILLE,TN.USA
Car: 1991 firebird
Engine: lo3 305 TBI
Transmission: 700r4
WOULD THE CAR SMOKE IF I PUT SOME OIL ADDITIVE IN THE OIL?BECAUSE I DID.
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Old Jul 15, 2003 | 05:35 PM
  #4  
88Camaro350's Avatar
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Joined: Apr 2003
Posts: 1,781
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From: B'ville, WV
Car: 2002 Formula Firebird
Engine: LS1
Transmission: 4l60e
Axle/Gears: 3.23
Sounds like you need new valve seals to me.

If it just smokes for a second at startup its probably your valve seals. Cheap to buy...semi-PITA to change tho.
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Old Jul 16, 2003 | 02:11 PM
  #5  
Dano 00TA's Avatar
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Joined: Mar 2001
Posts: 560
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From: Gary, Indiana
Car: 00 Trans Am/89 IROC
Engine: LS1/L98
Transmission: 4L60/700R4
If it does it only when you first start it then it's valve seals alright. It did the same on my IROC when I first bought it, changed 'em and now all's good again.
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