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    • Cummins Marine Forum Topics
    • 6BTA 370 EGT ?

      This topic has 1 reply, has 2 voices, and was last updated byTony Athens 11 months ago

      May 8, 2023 at 6:06 pm Yesterday I ran out to the fishing grounds about an hours ride at 2200 rpm trolled 3 hrs and on the way home was running about 2000 rpm and my starboard engines egt jumped from 875 to about 1100 port side was running 875 I pulled back to 1200 rpm and port dropped to 450 and starboard to 850 both engines weā€™re pulling about 20 on the boost I run there for about ten minutes and the egt suddenly dropped to 450 on the starboard side I run back up to…

      Started by: Chuck Rich in: Cummins Marine Engines

      1 Reply
      May 21, 2023 at 10:48 am If not a gauge issue, then look extra carefully for the broken hose clamp/loose hoseĀ  on the orange hoses allowing a boost leak.Ā  Lose boost = all of a sudden will raise the EGT and or make dark smoke

      Last Post by: Tony Athens posted: 11 months ago

    • 6BTA 370 Voltage drop while starting

      This topic has 8 replies, has 5 voices, and was last updated byClark Leighs 1 year ago

      April 16, 2022 at 10:57 am How much will your voltage drop when you engage the starter ? I have 2 relatively new 31 east Penn gels in parallel and my voltage drops from 13.4 to around 9.7 is that normal ? I just installed some smx voltage gauges and that is the reading I get.Ā 

      Started by: Chuck Rich in: General Discussion

      8 Replies
      October 1, 2022 at 6:30 pm Wow,Ā  I was just writing this reply and finally realized this thread is 6 months old.Ā  Opps. Oh well, I will leave it as it may help someone else.   If one battery is failing the parallel connections will show a good average voltage high enough to make things look OK.Ā  Ā The meter will likely show a good average voltage. However as soon as you try to crank the engine the failing battery will cause that average to drop big time.   I have…

      Last Post by: Clark Leighs posted: 1 year ago

    • 6BTA 5.9 370 cpl 2208

      This topic has 1 reply, has 2 voices, and was last updated byTony Athens 3 years ago

      December 5, 2020 at 11:21 am Getting ready to install the envirovents on my 6bta 370’s I am not at my boat and want to get the caps that go on the stock breather vent tubes so I can block them off, does anybody know the size and where to get caps for those? These are the ones that empty into the puke bottles. Thanks Chuck

      Started by: Chuck Rich in: Cummins Marine Engines

      1 Reply
      December 5, 2020 at 1:09 pm The “kits” come with that and there is a video on this web site.

      Last Post by: Tony Athens posted: 3 years ago

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