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Smoking, Any good fixes?

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InfiniteGSX

20+ Year Contributor
3,183
15
Dec 10, 2002
Tijeras, New Mexico
This year I had a blown turbo which was causing the car to smoke through the exhaust, Everyone argued with me on my youtube video. I only made the video because I thought it was strange seeing my car smoke. Its never smoked, even under boost.
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I made it clear that the smoking got worse, so I replaced the turbo with my stock turbo and smoking stopped! Which ofcourse meant it was in fact the damn turbo smoking.

It hasn't smoked at all with that old motor. I just installed a new motor and it did NOT smoke at all at first. It is an old motor, 180k miles, was from an automatic.... Runs great. But I always use Synthetic and I know it cleans. I know all too well cause I've had two heads go from bronze to completely clean because of Synthetic oils. So I think that the synthetic oils has cleaned something that was damaged, now causing the car to smoke at idle. If I rev it, it will blow all the smoke out and eventually stop till the car sits at idle again.

Valve Stem Seals will cause smoke at startup right? I do know that my stupid friend plugged my vented catch can (no more pcv valve), which prob was causing alot of crank case pressure and the car would smoke soo bad it would cause the car to become invisible in the smoke when I were to stop fast or take turns really hard. I pulled the plug off of the catch can allowing it to vent again like its supposed to. and it stopped smoking like that. Now it just does the light smoke at idle and the first couple revs.

Is that valve Stem Seals? Is there anything I can put in my oil to be a temp fix for this?
My main question is, since I believe it to be valve stem seals, since I can't come into a conclusion of what else it could be, besides turbo which I doubt it is because its smoking from the head, not the turbo. Is there a way to replace the valve stem seals without pulling the damn head to compress the springs...?
 
I believe your problem is valve stem seals, and yes you can replace them without removing the head, but you will need valve spring compressors, they make them so you can do the job without removing the head.
 
as stated above you can do it without removing the head but you need someone who knows his shit around our cars.


for a temporary fix switch to normal oil for now and use a 20-50 w castrol heavy oil and this should help a lot at the moment. synthetic oil is so thin and will find its way throught the valve seals.

good luck and by the way you look so young in the video you just turned 16 or what? i am only asking because iam way old for my car over 30 now with kids :)

cheers
 
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