Am actively looking to buy one of these models, looking for 87-89 but ran into a 350SDL,91 model...have had some folks telling me to stay away from the 350and was wanting more backround from some experts...other owners. I am a former heavy truck mechanic and farmer and have been around diesels all my life.. currently own cummins diesel in dodge. please give as much info as possible so i can make an informed decision. technicians opinions welcome. This is my first post here, so thanks in advance to all who reply. Username is bigjoe, but my friends call me Shrek! see ya!