Fixing Your Detroit 60 Series 12.7 Exhaust Manifold

If you've spent any time under the hood of a classic rig, you know that a cracked detroit 60 series 12.7 exhaust manifold can turn a productive week into a loud, smelly, and expensive headache. The Series 60, especially the 12.7-liter version, is legendary for a reason. It's the engine that built the modern trucking industry, known for its reliability and that distinct whistle. But even the best engines have their weak spots, and for many owners, that big chunk of cast iron hanging off the side of the head is one of them. ...

May 21, 2026 · 6 min · Stern Alyse