slant 6 was the most bullet proof engine I ever saw. I ran one in a tool wagon that never had any coolant in it and leaked oil badly due to rusted oil pan.I ran that thing every day in the yard and knew when it was lunch time because the engine got so hot the starter wouldn't turn it anymore. I would go have lunch and when I came back it would start again and I would run it the rest of the day. I would run it until the oil pressure light came on due to lack of oil then throw what ever drain oil was around in it. I ran that car that way for 2 years and it was still running strong when I put it in the row. I wouldn't sell that engine to anyone due to the abuse I put it through but I never saw an engine take that much and keep running.
Pintos were junk. Old Subarus went forever too. We used to get them with 400,000 miles on them still running but rotted too bad for the road and run them for tool wagons. Those were the old pushrod engines not the far less reliable OHC they make now.
Those old Aspens (Diplomat, LeBaron, Volare, etc...) had weak trannys and differentials and the sway bar links didn't hold up either. I had a LeBaron with 318 and loved it but it had those issues too.
