Keith - I couldn't remember if it was a 2.8L V-6 or a 4.3 We had a 2.8L in an '83 S-10 2 WD Blazer. It would have been a great little engine for a SWB pickup but just a bit underpowered in a Blazer w/ Auto. trans. I got tired of getting passed by little girls on "Big Wheel" tricycles so traded it for a 5.0L 5-speed Mustang GT.