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Thanks for the reply. Have you had personal experience with Frank?

We currently have a 42’ that we have cruised from Victoria and the Gulf islands down to the South Sound.

My wife and I split our time currently between the East and West Coasts while we are working. We plan to purchase our next boat within 2-3 years. Our goal is part-time cruising with potential long distances/durations with a desire to cruise both the East and West Coasts. We plan to base the...

Thank you very much. You are correct and they have my engine HX (2 variations actually) listed oin their site. They give important dimensions so I can check which one is a bolt up for my configuration.

The HX is pretty close coupled and well incorporated within the engine envelope. I would hate to rig something up differently (even understanding that the Thermodynamics are OK) as that would almost certainly limit access in one of the few well accessible areas of the ER.

Thanks. I had not seen that one. Significantly better than the pricing so far... HX are definitely on the capital improvement list. Just not sure of the timing yet.

I am planning on keeping the boat for a few years at least. The engines are old but not many hours (26 years and 1200ish hours) so the HX are newer than their calendar age. For 23 of the 26 years it has been docked in freshwater so there has been even less saltwater aging than normal as it gets...

Definitely wondering what caused the one hole. Plugging the tube will cause a nagging concern but the cost of the replacement (so far) has exceeded the opportunity cost of the nagging concern.

Thank you for the information. They have a item # for the HX for my engines and I have reached out to them to see what the pricing is. On an unrelated note... Is that a Great Harbour in your profile pic? I have wondered how the hull shape and windage do specifically in the PNW.

If I bought a new one I was going to go cupro-nickel. The initial quote was for almost $2000 for the heat exchanger. I was a little surprised at the plugging costs but At least that includes the testing, cleaning and etc. as well. If both had leaked I would have figured an age related issue (26...

I had my heat exchangers pulled this year for a pressure check. There had been some increased coolant usage on one engine over the other on end of year cruise in 2020. When tested, one HX was fine and one had a hole in a tube (1 of 15 tubes). I was presented with options to have a new HX...

Thanks. I appreciate the details and feedback. final details: My engines are rated 300HP at 3200 RPM and I have a roughly 24kt max speed. Since I don't have a prop demand chart... and using the rough estimate of speed varying by the square root of power. My estimate is I am developing 150HP at...

I am brand new to trawlerforum (and forums in general). I hope I am posting properly. Interesting Discussion. I see many of the questions I was asking myself 4-5 years ago when I bought our boat with 2 DD 8.2T engines w/950 hours. I still have questions about their suitability and best...