Tommy, I have laminated prints off my PC-600 on customer vehicles & trailers that are 4-5 years old and still look beautiful, these were printed on white Mactac 9800 and laminated with clear Mactac 9800 printing with Roland ribbons, I cannot say the same for aftermarket ribbons (zero9 prints faded out within 2 years). I would imagine using a UV lam film such as Oracal 290 would extend the print life even longer than a standard clear vinyl.
You can also wet lam which is quick & easy, print & cut & before weeding apply wet lam, let tack up and weed, when fully dry mask & apply. Wet lams - Frog Juice, One Shot fast dry clear acrylic, Clearjet