The 8.2L Detroit Diesel goes down as one of the worst diesels ever made. Engines like the Oldsmobile 350 diesel or even the 6.0/6.4 Powerstroke struggle with only four head bolts per cylinder, but at least they had a closed deck design. The 8.2 takes horrible design decisions to another level with an open deck and 4headbolts per cylinder. That meant the cylinders weren’t fully supported. Every time combustion pressure built up, the head bolts had less material to clamp against a d the cylinders