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Blow-by on 1999 trans am

This is a discussion on Blow-by on 1999 trans am within the Internal Engine forums, part of the LSx Technical Help Section category; So if I take out my oil dipstick and give it some gas, some smoke comes out of the dipstick ...

  1. #1
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    Medium Blue Metallic
    1999 Pontiac Trans Am

    Blow-by on 1999 trans am

    So if I take out my oil dipstick and give it some gas, some smoke comes out of the dipstick tube. Could this be anything besides piston blow-by? Is there any way to fix it besides honing the sleeves and changing the rings? I wouldn't see how anything valvetrainwise could be related. Also if it is somewhat mild should I even be concerned? The car still makes great power-will this get much worse quickly?

  2. #2
    The Bandit Wesman's Avatar
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    SGM
    1998 Trans Am WS6

    Is it actually smoke or is it steam?? If the motor is warmed up, some steam is normal, the crankcase is hot.

    You will also get some smoke as well, its just contaminants (moisture, carbon) burning off as the engine heats up. As long as its not severe amounts of steam/smoke, it shouldn't be anything to worry about.

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