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Don't not generalize any discussion results here to other engine manufacturers////// My nitrite level in my 71 series antifreeze tests low currently....It's a conventional fomulation which meets heavy duty DD spec TMC-RP 329. Current Detroit Diesel coolant specs may be seen at (but 53 series...

Stormchasers recent "loss of power" thread reminded me I've been meaning to pose several issues related to reverse cycle a/c efficiency and get myself updated ...I investigated about ten years ago but don't remember details. (1) I believe that when water temps get down to about 45 degrees or...

There seems to be a recurring discussion about Onan Genny GLOW PLUGS. I thought the following might be helpful. I came across the following for my 1972 12KW Onan checking spare parts last week: Onan part # 0333-0106 (12 volt) The equivalent Champion glow plug at less than half the price is...

Bio-Diesel fuel made from coffee: http://www.nytimes.com/2008/12/16/science/16objava.html?ref=science "....Analysis showed that even the grounds contained about 10 to 15 percent oil by weight. The researchers then used standard chemistry techniques to extract the oil and convert it to...

Here are some tips I came across that might be helpful: 1. icy steps in freezing weather: add dawn diswashing liquid to some warm water and pour it over the steps...they won't refreeze. 2. windowing washing: use vertical strokes on exterior, horizontal on interior...that way you can tell...

I'm wondering what you guys know or have heard about well lightning arrestors used in antenna coax connections actually work. These are inserted in antenna coax connections and a heavy grounding wire run separately to the boat lightning ground plate. MY 1972 Hatt has none. Are new Hatts so...

So you are going to live aboard in a cold climate...or use heat regularly for extended periods...What's the cost comparison between diesel (oil burner) heat and electric heat? SUMARY: Electric heat at $.22 KWH is about two times as expensive as diesel at $4.00 per gallon. If your costs are...

I just got back from five weeks local (reduced fuel) cruising in LI sound. Lots fewer boats around, especially powerboats. During that period my masthead anchor light went dead...almost, anyway. I measured about 2 volts instead of 12?? How could that be??? It took me sveral hours to find...

Here's a quote from Trawlers and Trawlering I thought this group might find interesting: " You can get most boat to plane with enough power. A good example of this was a Hatteras 58 motoryacht that I owned about 15 years ago. It was powered by pair of Detroit 8V92TAs putting out more than...

Here's a reference (from the National Propane Gas Association) which explains the requirement for overfill protection devices (OPD's) for propane tanks....Horizontally mounted tanks are exempt( Question and Answer #6)....they do NOT require an OPD. But horizontally mounted tanks must carry a...

I came across some interesting air conditioning information when researching home heating units. The energy efficiency ratio (EER) provided with air conditioning units of all types relates the ratio of the BTU's of cooling produced to the power required. An EER of 12 for example means that the...

In the current active thread on repowering a 58 Hatt, Roscoe posted that boatdiesel.com commented against using a higher speed engine in a displacement boat. In general, I'm a slow RPM "heavy metal" diesel fan, but that may be just plain old fashioned. With new fabrication techniques and...

Thought I posted this yesterday..here goes again.. I'd like your ideas on external porthole "umbrellas" that let vent air in but keep rain out...something that can be fitted into a porthole opening outside while not aboard and removed when cruising...perhaps even something with the opening...

I'm wondering what sort of solutions you guys and gals have for porthole (or other) natural ventilation when not aboard. I'm thinking of perhaps an external plastic "hood" that could be snugly fitted outside the hull in a porthole opening to let air in and keep wind driven rain out...maybe even...

When I added GPS electronics around 1999 and 2000 I decided to go with dedicated marine units, Raymarine, Standard Horizon and Interphase...None is ideal, but all are satisfactory....Two are for navigation and backup, a little Standard Horizon provides anchor alarm function alongside my bunk...

I originally posted the following as shown below.....except for a few minor editorial changes for clarity here. Today it's especially relevant since if your burn say $1 gal per hour running your genny for battery charging, and can reduced that by, say, two hours daily, you not only save about $9...

In Feb 2009,about 9 mos, over the air TV broadcasts go digital; analog TV receivers will no longer receive broadcast TV signals. So for those with a traditional TV antenna, like Shakespeare, and analog TV tuners, has anybody come across dc powered digital TV converters to receive the new...

I see a touch of green grunge where Mike P's chrome salt water line enters the heat exchanger....(Makes him seem more human)....Those connections always seem to do that. It's pictured the "Yandina" post nearby. Anbody have recommended ways to avoid that annoyance?? One rule: Don't step on...

I tried putting three pieces of information together...and at least one seems unlikely. Any suggestions welcome! I got to thinking: Would anything happen if I replaced the 8V71TI's in my 48YF and made a "trawler" (of sorts) by installing 6V53's. Would I gain any economy; Could I reduce my...

Sandspur has a current about replacing his C02 system. It got me thinking: Anybody know how to test the old C02 systems? Do you assume the fusable link will melt? As long as plumbing is in place and the bottle weighed, is anything else required to assure a working system?