my3sons
Well-Known Member
- Feb 24, 2009
- 3,046
- Boat Info
- 2004 400DB, Onan 9 kw Generator, Highfield RIB,
- Engines
- Cummins 6CTA M-3
The pressure regulator on my boat is 45 psi
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That is where the port-o-flush Jr. Comes in hand againWhat method do you guys use to winterize the dockside water connection?
I have done it 3 ways over the years. blow it out with compressed air, pump pink into it, or remove the screen and hose washer and push open the check valve with a blunt object after running the pink through the entire system. When I push open the check valve, pink runs back out through the inlet.What method do you guys use to winterize the dockside water connection?
I have done it 3 ways over the years. blow it out with compressed air, pump pink into it, or remove the screen and hose washer and push open the check valve with a blunt object after running the pink through the entire system. When I push open the check valve, pink runs back out through the inlet.
Pick the method that you feel most comfortable with. Busted water fittings in the spring probably suck.
Sea Flush system is the way forward:I have a 2002 400 Sedan Bridge with the Cummins 6CTA 8.3's.
Does anyone have a flush kit for the engines (and the gen)? If I venture into salt water next year I would like to have the ability to run fresh water through the system instead of the saltwater. Also my goal is to install it before the winterizing season here in Maryland and use it for running the antifreeze through it. Has anyone bought one or made something they could share what worked well? TIA!
Sea Flush system is the way forward:
I use(d) the Sea Flush snorkel to winterize my Cummins 6CTA 8.3's each year... and my Onan generator... and both A/C units... also used the system to run barnacle buster through the engines periodically... it can be used to effectively flush salt water per your need, too... I cannot speak highly enough of the system.
I use a fitting to adapt to the compressor but also, I never use the dock water. Come to think of it, I'm not sure why I winterize it. I do use that to clear the lines after I've run pink through all of it though so I guess that counts.What method do you guys use to winterize the dockside water connection?
Hey all,
Not to change the subject but hoping for a little information. I am a currently a 2000 310 owner and thinking a diesel 400db would be the boat to move up to. I am wondering what kind of fuel economy you get at what speed. Thanks so much.
Hey all,
Not to change the subject but hoping for a little information. I am a currently a 2000 310 owner and thinking a diesel 400db would be the boat to move up to. I am wondering what kind of fuel economy you get at what speed. Thanks so much.
That's a lot of fuel for 2100rpm. Here is the performance curve for your engine.Welcome! I just moved from a 320 to a 400 with Cummins 450’s in April. Fantastic decision on our part. We love it!
I was wondering the same thing but never bothered to check until recently. We did a nice cruise from Baltimore to Cape May NJ - an almost 6 hour cruise with just a couple no wake zones in there. Basically calm seas and minimal winds. We refilled once we got there. According to the track distance on the plotter and the refill fuel quantity, we burned under 35 GPH. I think the actual number was 32, but don’t quote me on that. That’s running at about 2100-2150 Rpm and 22-23 knots with full fuel and 1/2 water (no tender).
Not bad considering my 320 got about 23-24 knots at 30 GPH and it was half the weight.
Hey all,
Not to change the subject but hoping for a little information. I am a currently a 2000 310 owner and thinking a diesel 400db would be the boat to move up to. I am wondering what kind of fuel economy you get at what speed. Thanks so much.
Hey all,
Not to change the subject but hoping for a little information. I am a currently a 2000 310 owner and thinking a diesel 400db would be the boat to move up to. I am wondering what kind of fuel economy you get at what speed. Thanks so much.
View attachment 75723
That's a lot of fuel for 2100rpm. Here is the performance curve for your engine.
Good luck. Without fuel flow meters I have a real hard time figuring it out. I just use the curves and declare that as my burn rate. Ha!Well, it’s based off of analog tachs, that I have limited confidence in. I need to confirm them against an optical tach tool. And, as I said, it’s one data point. I will monitor more...
Good luck. Without fuel flow meters I have a real hard time figuring it out. I just use the curves and declare that as my burn rate. Ha!
I don't have them. Thus my post that I just use the chart. I did install the Aetna digital tachs, so I know my RPMs are accurate.Now THAT sounds like a plan! It’s imperfect, to be sure, trying to estimate without them. How do you know you put the same amount of fuel in when you fill, even if you fill completely? You don’t. And the rest is estimating based on chart plotter info (which is probably quite accurate). On my list of upgrades is one of those engine adapters, to bring engine data to the NMEA2000 network. Fuel flow meters would be a great addition at that time. And perhaps digital tank senders too. I searched, and I’m surprised there isn’t more discussion anywhere on CSR about using the Maretron TLM100’s (or similar) as an upgrade.
Which flow meters do you use?