I read the white smoke problems already listed, but I think mine may be unique. I received a free truck after my nephew overheated the engine. The head was warped. After many tries to fix the small problem, I finally broke down and rebuilt the engine. I had the head straightened and machined, as well as the top of the block shaved by a professional ( and well qualified ) machinist. I also installed new gaskets along with the rebuild. I finally got it to run a few years later and about 10 minutes after letting it run white smoke became present out the exhaust. The machinist did not see any cracks after boring the cylinder walls, and I ran a crude dye check on them as well, with nothing apparent. Do you think the smoke is possibly just residual coolant in the exhaust "burning off"? My thought was if it was a crack somewhere it would smoke right off the bat because the coolant should be burning as soon as the fuel was burning.
Oct 17, 2008 at 10:17 PM