HL door popped at 70mph then door or front has problems.
Popping doors happens > 90+, most times > 100mph or more.
Door should have 2 spring to hold them down. One can break or is missing.
Missing panels under front can mess up air flow. Modified front end could to same.
Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
The Ogre's Fiero Cave