Vinyl holds up pretty well, i know this guy has had the wrap on his valve cover for a couple months and hasn't lifted or bubbled, but like anything else it depends on the quality of the vinyl.
If anything the heat makes it shrink causing it to adhere better.
Are you using 3M Di-noc or whatever it's called?
I can vouch for this type of vinyl it does look like carbon fiber, they have Gloss, Flat, Dry, Matte finishes.