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    • Cummins Marine Forum Topics
    • Prop speed, worth doing? 1 2

      This topic has 28 replies, has 16 voices, and was last updated byMike Uliasz 2 years ago

      March 1, 2019 at 12:30 pm Thinking of trying some new ACME props and wondering while Iā€™m at it if I should put prop speed on the running gear. Has anyone had experience with this product?

      Started by: Joe Monaco in: General Discussion

      28 Replies
      March 7, 2022 at 1:22 pm I’ve had good results with prop-speed.Ā  Basically extended cleaning the running gear for 12 months and not having to pull the boat last season.Ā Ā  Prop-speed applied May, 2020 No running gear cleaned in 2020 1st cleaning Labor day weekend 2021 (had lost 2 knots), one side was fine the other had a barnacle strikeĀ  Had diver clean running gear again in Nov B4 the water got to cold as a pre-cautionĀ  Once its scape it’s lost it’s ef…

      Last Post by: Mike Uliasz posted: 2 years ago

    • 1000 hr service

      This topic has 1 reply, has 2 voices, and was last updated byRob Schepis 4 years ago

      December 26, 2019 at 6:49 am Is there a 1000 hr service required for a QSB 6.7 480 HP 2013? I can only find a 2000 hr service in the owners manual. Thanks.

      Started by: steve lehman in: General Discussion

      1 Reply
      December 26, 2019 at 9:06 am Focus on the 52,000 plus hours of Marine Age, not the engine runnings hours at this stage. Complete seawater side servicing (not a descaler flush), engine coolant, and exterior appearances (paint touch-ups, corrosion protection, etc) wiring/harness connections point cleaning/lubing…..

      Last Post by: Rob Schepis posted: 4 years ago

    • QSB 6.7 idle speed

      This topic has 1 reply, has 2 voices, and was last updated byTony Athens 4 years ago

      October 30, 2019 at 5:52 am How can I reduce the idle speed on a QSB 6.7 (2013) with Glendinning controls? Thanks.

      Started by: steve lehman in: General Discussion

      1 Reply
      October 30, 2019 at 7:29 am That’s a maybe………………… For sure a Cummins tech can come down and reset the idle thru the ECM to 400-500-ish .. There may also be a a provision to add a control with a rocker switch at the helm to toggle it up and down.. But that will take a few hours of research on your particular engine set-up to figure that out.. Cummins may have the option for that on the marine 6.7’s ( they had it for …

      Last Post by: Tony Athens posted: 4 years ago

    • QSB6.7 trolling

      This topic has 10 replies, has 4 voices, and was last updated byJustin Riege 5 years ago

      November 19, 2018 at 8:12 am I have 2013 QSB 6.7’s. I’d like to know if slow trolling in and out of gear is OK. Also, what is involved with installing trolling valves. Thanks.

      Started by: steve lehman in: General Discussion

      10 Replies
      November 26, 2018 at 1:50 pm Sorry for the delay, I was out of town and off the grid for the holiday. The kit doesn’t specifically come with instructions but we can do our best to walk you through it remotely. I would say you need to be reasonably mechanical, not that its exceedingly hard to install a trolling valve, but if you cross thread the sending unit, or strip a bolt that holds the assembly to the gear, or anything like that it could be a costly or at least a t…

      Last Post by: Justin Riege posted: 5 years ago

    • Oil from breather

      This topic has 1 reply, has 2 voices, and was last updated byRob Schepis 5 years ago

      July 9, 2018 at 11:42 am Getting oil out of breather. 6BTA 330. Replaced turbo. Still getting oil. Ran another vent line. No oil. So it looks like the breather tube is plugged somewhere. Any ideas of how to clean the tube? Anything in the crankcase?

      Started by: steve lehman in: Cummins Marine Engines

      1 Reply
      July 9, 2018 at 11:49 am Here’s two links that are a MUST read with full understanding. And let’s see some pics of your setup including the full install and the current CCV system and your “temporary other vent line” https://www.sbmar.com/articles/crankcase-ventilation/ https://www.sbmar.com/articles/oil-pan-capacities-for-cummins-marine-engines/

      Last Post by: Rob Schepis posted: 5 years ago

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Viewing 5 topics - 1 through 5 (of 5 total)