Don't warmup up your car-R&T
R&T At least not your gasser, don't know if it applies to diesels.
Forum Discussion
I don't guess the author of this story has ever did any research on "cold seizing a piston in the cylinder by not allowing enough time for proper warmup" The piston will heat first and expand at a rate faster than the cylinder wall. It doesn't mean it will happen in all cases but the potential is there under certain conditions.
