Welp...with only about 2300 miles on my truck, I noticed the other day that after the truck sat for a day or two, it puffed the dreaded bluish gray smoke on initial start up. I'm not sure if it has been this way since "new" or if it just started. I drive this truck like I need it to last 50 years so running it hard is definitely NOT an issue

. Besides, I have a "company" car to drive hard. Anyway, please don't tell me about valve seals being an issue with the 5.6 engine. I've already had one issue with service from the dealer. I can't wait to see what happens with this (if it wasn't a one-time thing). Anyone else here notice the blue puff smoke on start-up?