Cummins Marine Diesel Repower Specialists › Forums › Cummins Marine Engines › Cummins 480 CE 6CTA. White smoke and knocking › Reply To: Cummins 480 CE 6CTA. White smoke and knocking

December 21, 2019 at 12:18 pm #85870

Tony Athens
Moderator
Vessel Name: Local Banks
Engines: QSB 6.7 550 HP
Location: Oxnard, CA
Country: USA

My thoughts are above, although a really good shop may work too..

I believe hardened valve seats are shrunk fit in place , not pressed in.

Tony