Watched a guy adjust valves on a 12 valve Cummins with the engine running, and I finally get why my dad's truck always sounded like a sewing machine | Diesel Mechanics - Discusd
Watched a guy adjust valves on a 12 valve Cummins with the engine running, and I finally get why my dad's truck always sounded like a sewing machine
Seeing him set them hot with a feeler gauge instead of cold like I was taught made me rethink every valve job I've done since 2018. Anyone else here set them running, or am I the only one late to this?