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    • Cummins Marine Forum Topics
    • exhaust temp

      This topic has 2 replies, has 2 voices, and was last updated byRob Schepis 5 years ago

      April 9, 2019 at 6:02 pm I just installed your exhaust temp guage on the yanmar 4jh3-hte. I’m reading near 80 degrees celsius on the coolant temp and 350 degrees Fahrenheit when warmed up. engine runs fine but some very light white smoke at idle and throughout rpm. also tiny bit of sheen in the water. Is 350 too low? If so how do i increase exhaust temp? note: could it be location of probe? see picture.

      Started by: Dominic Maionchi in: All Other Marine Diesels

      2 Replies
      April 10, 2019 at 6:17 pm You’re a brave man (with quality cleats and dock lines) ! Would be good if egt stayed in that neighborhood. Keep us posted.

      Last Post by: Rob Schepis posted: 5 years ago

    • temp boost guage 1 2

      This topic has 25 replies, has 3 voices, and was last updated byTony Athens 5 years ago

      March 17, 2019 at 3:46 pm I would like to install your SMX Marine Boost / Pyro (EGT) Turbocator Gauge Kit on my yanmar 4jh3-hte. questions before i order: 1. please confirm that I can install on this engine. 2. where do i install the pyrometer? do i drill and tap the stock exhaust mixing elbow? if so is there a preferred location? 3. where do i install the boost sensor? intake manifold? is there a place i can install it without removing the intake manifold? 4. if …

      Started by: Dominic Maionchi in: All Other Marine Diesels

      25 Replies
      March 24, 2019 at 3:41 pm Keep the diameter as large as possible– Drop the pitch. Tony

      Last Post by: Tony Athens posted: 5 years ago

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