When I graduated high school, my friend Matt had a Plymouth almost identical to mine. His was an 86 and a base not a salon, with 230K miles on an unrebuilt LB 318. We gave that car 10 kinds of hell for about 18 months (not to mention the 10+ years of abuse his older brothers had given it). That thing would not die. It handled like a tank too. we used to take WV36 from Amma WV to Spencer WV (where he lived) at speeds only Steve McQueen would think were safe. Dirt roads? No problem. Bumps, holes, curbs, small animals, moose (j/k)? no problem. what a glorious POS that car was. he traded it in for a Scion TC about 4 years ago with almost 280K on it and it didn't miss a beat. it was a little down on power and used a quart of oil every 1500 miles though
EDIT: we would jump it on the regular on the dirt road by his house, and in his yard, through his creek, in the woods you name it that car hit it.