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    • Cummins Marine Forum Topics
    • Cummings Injector Pop Off Pressure

      This topic has 1 reply, has 2 voices, and was last updated byTony Athens 6 years ago

      May 23, 2017 at 7:07 pm Can anyone provide feedback on the “pop off” pressure for a Cummins 4078346 Injector, 3908514 Nozzle. The engine is an 2004 480CE.

      Started by: Dave in: Cummins Marine Engines

      1 Reply
      May 26, 2017 at 5:51 pm Look closely at the injector–You’ll should see a number in BAR.. If not, any certified injection shop can tel you if you give then your CPL. Tony

      Last Post by: Tony Athens posted: 6 years ago

    • 480CE High Boost Pressure

      This topic has 1 reply, has 2 voices, and was last updated byTony Athens 7 years ago

      April 18, 2017 at 4:47 am Picked up a 35′ Carolina Classic with a pair of Cummins 480CEs with 3,500 hours. Ā  At WOT Port Motor maxes at 2,510 RPM with 61 pounds of Boost Pressure and Crankcase Pressure of 3.26″. Ā Starboard 2,540 RPM with 65 pounds of Boost Pressure and 1.98″ of Crankcase Pressure. Ā Props are 24 x 30s and everything I’ve come across says those are the right choice for my set up. Ā  Ā Marina scale weighed the boat at 30,000 lbs and th…

      Started by: Dave in: Cummins Marine Engines

      1 Reply
      April 18, 2017 at 5:52 am #1—————Read this and take it as gospel…………………. https://www.sbmar.com/articles/propping-cummins-6cta-8-3-480ce-vs-430450-diamond-engine/ Ā  Consider yourself lucky you never dropped a valve. #2————Not sure how you are measuring boost, but 60PSI Ā sounds more like 60 inches of HG…………..Do you have an accurate boost gauge & pyro …

      Last Post by: Tony Athens posted: 7 years ago

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