I still remember the first time I heard a 1976 Pontiac Firebird Trans Am 455 HO wake up. It was not a polite little starter motor whine. It was a deep, rattling, carb-fed growl that made the windows in my garage buzz. That was five years ago, and now in 2026, that memory still gives me goosebumps. Because here is the crazy part: this final big-block Pontiac is still shockingly affordable. While...