Dang Battery

AdamR said
Norm if the block is O-ringed it probably has copper head gaskets. they tend to seep coolant so thats probably were the smoke is coming from.

dont know if this is something general or if it just happens but my 340 is o- ringed with cooper head gaskets and i havent seen White smoke in the two years i have had it that way, and the coolant level is the same all the time :D