G3GM 1973 to 1977 A-bodys. Chevelles, Monte Carlos, El Caminos, Laguna, 442, Cutlass, Malibu, GTO, LeMans, Century, Regal, Grand Am, Grand Prix, Sprint, Gran Sport, Can Am, Hurst-olds, and other 73-77 A-bodies
Yes. The internet is trying to become more secure, and Google is leading the charge with Chrome and warning people that they are going to a site that does not have an SSL certificate to prove their authenticity, and other browser makers are following suit.
For shopping and banking sites this is an absolute must, but for something like G3GM where no confidential information is given out, it's not a worry.