I have a solid, seemingly dependable truck, knock on wood, but it has a good bit of blow by, smells of oil/diesel more than I think it should, smokes white and low power when cold, and does some quirky stuff sometimes. It leaks a bit of oil from somewhere unknown to me. It isn't terrible, but it leaks enough to screw the driveway up. Between burning and leaking, I add a quart at 3000 and change the oil at 5000. Is my truck running regular for a 10 year old truck? I do have 16.5:1 pistons if that would account for the smoke and starting?
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