blue smoke comming from exhaust?
Registered User
Joined: Oct 2003
Posts: 735
From: Windy City
Re: blue smoke comming from exhaust?
Originally Posted by Zachz28
that dollar bill trick is for cheeking exhaust valves
if the exhaust valve sticks open during intake stroke it sucks in and that creates a small vacumme in the exhaust and that would pull the dollar inward
if the exhaust valve sticks open during intake stroke it sucks in and that creates a small vacumme in the exhaust and that would pull the dollar inward
I also hear that higher milage lt1's are known to run into valve seal issues.
My car puffs out a big plume of blue smoke when i first start it. When I first take off from a light it does it too. When the car is in park, and if I raise the rpms up it wont do it, but right when i let off the pedal, you see a little smoke. When Im at the drag strip racing, I dont blow smoke though. so my guess is mine is valve seals.
But I also bent a valve several years back. And its possible that the shop didn't install the valve seal correctly, or there was damage to the valve guide. Cause they never replaced the guide.
Mike
Registered User
Joined: Sep 2003
Posts: 1,726
From: Charlotte, NC
Re: blue smoke comming from exhaust?
I believe valve seal issues would be aproblem with any high-midleage engine.
Yes, it is very possible to be a result of the mechanic who put the new valves in for you. Always do it yourself.
Yes, it is very possible to be a result of the mechanic who put the new valves in for you. Always do it yourself.
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