Home › Forums › Stay Dirty Lounge › Favorite Cars › Favorite engines › Favorite engines November 5, 2019 at 1:14 am #895212 Benjamin BlackParticipant For me, my favorite engine is the 4.2L Vortec Straight Six engines that they put in the Trailblazers. They have plenty of power and torque to get you (and whatever you are pulling) where wever you want. And they don’t feel like a heavy truck engine.