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    • Cummins Marine Forum Topics
    • C Series 6CTA – M3 Delco 28si alternator upgrade 1 2

      This topic has 25 replies, has 8 voices, and was last updated byGene Fuller 3 years ago

      February 23, 2017 at 1:35 am Hi Guys I have a 2000 model 6CTA M3, at the moment it has a Delco 22si alternator, J hinge, 12v, with sense wire. I think its 130amp or 145amp I am looking at installing a 28si, preferably 180amp, 8600223,Ā or 160amp 8600312, to give me more charge at idle. I do a lot of drifting, engine idle or off and when wrecking idle & low rpm,s. on a night especially I have a a large load drawingĀ from the plotters, radar, lights, heater etc. I have 2 x …

      Started by: Paul Hampton in: Cummins Marine Engines

      25 Replies
      January 27, 2021 at 8:10 am Tony, Thanks. I have quite a bit of experience in marine electrical matters, and I am completely hands-on. I have “home run” voltage meters on all my battery banks. I have a good idea of where the power is used. I have a pretty good understanding of alternators, one-wire vs. three-wire, internal vs. external regulation, etc. The issue I am addressing is the desire for charging the house bank when underway. We cruise a lot, with overn…

      Last Post by: Gene Fuller posted: 3 years ago

    • 6CTA-M3, 8.3L, Diamond – injector pressure

      This topic has 5 replies, has 2 voices, and was last updated byPaul Hampton 5 years ago

      January 21, 2019 at 5:08 am Hi Guys I recently became the proud owner of a cracked exhaust manifold, got me stumped how it is cracked! This put coolant Into no 6 cylinder. Now that I have the injectors out, should I get them tested? Also while they are out, I read on other forums about increasing the pressure, but I am not sure if this only applies to the 5 Hole injectors. Mine are 4 hole I believe, s/n 46029990, cpl 2172. They are stamped 260bar If it is advisable to incr…

      Started by: Paul Hampton in: Cummins Marine Engines

      5 Replies
      January 21, 2019 at 10:01 am A little history I got the boat in 2009 with 50 hours, launched in November. in early 2010 I was out and the coolant pipe blew out of the back of the block. I saw steam, stopped and shut down, it got the turbo hot enough to take the paint off. ( you wonā€™t recall it ) both you and Paul Foulston kindly took time to advise me on what to do and check on another forum (BD) I had no symptoms of cracked manifold or head, no bubbles in header, fitted …

      Last Post by: Paul Hampton posted: 5 years ago

    • Fleetguard on-engine filter – 6 CTA-M3

      This topic has 2 replies, has 2 voices, and was last updated byPaul Hampton 7 years ago

      November 9, 2016 at 7:41 pm Hi Fellas, just new to the site, I have fuel filtration as per Tony’s recommendation, FS19513 – FS1000 on engine fs1280. is there a finer micron filter that is plug and play onto the existing 1280filter head spud threads ? Is it necessary to go finer micron on that last chance filter? i have had this filtration since 60 hours, 2010 with 1800hrs currently and she runs sweet as a nut, no smoke. ive always wondered if having the bulk kn…

      Started by: Paul Hampton in: General Discussion

      2 Replies
      November 11, 2016 at 7:15 am Thanks for the reply Tony, I thought as much, but I thought I,d check. I’ll look into a cummins filter head if available to fit my engine. The way the USD is with GBP and postage makes it costly purchase from seaboard at the moment.   thanks again Paul

      Last Post by: Paul Hampton posted: 7 years ago

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