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Mod | | | Forums66 Topics128,107 Posts1,056,221 Members48,436 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
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| | | | Joined: Jun 2012 Posts: 23 New Guy | | New Guy Joined: Jun 2012 Posts: 23 | My 6 cyl. smokes from the valve cover after running for about 2 miles. any ideas? | | | | | Joined: Apr 2012 Posts: 135 Shop Shark | | Shop Shark Joined: Apr 2012 Posts: 135 | Are you sure it is smoke and not water vapor? As the engine warms up,surfaces that were cooler are now being warmed up, including the oil. Sort of like when you put cold water in a glass on a warm summer day, you get moisture forming on the ouside of the glass. Tempeature contrasts cause moisture to form on metal surfaces inside the engine.
| | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | As you drive down the road the blow-by is sucked out the tube on the block. However when you are stopped it rises and comes out the valve cover vents. That is not unusual and is only a problem in excess. If the tube is plugged then it will always come out the valve cover along with a film of oil. | | | | | Joined: Mar 2012 Posts: 211 'Bolter | | 'Bolter Joined: Mar 2012 Posts: 211 | What does the smoke smell like? | | |
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