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CAT Overheating Gregg, So true on the CATs and their thermostats. Another failure point is if the thermos are taken out. That will overheat a CAT quickly. If I remember we had that problem on a CAT3208 where a thermostat was removed. Contrary to normal logic, the thermo opens to heat up the...

OverHeating One of the other things to check is to take the end cap off the raw water heat exchanger and rod the tubes. A gun cleaning kit works well for this with the brush. Sometimes pieces of oxidized zinc gets stuck in the tubes. Also plain old mud/muck. Not sure on the CAT you have but...

Firefly Batteries After running AGM batteries and having them discharged flat by boat yards, I made the decision to go to Firefly carbon foam batteries. After a year using them I can only say they are the best. A bit pricey compared to AGM, half the price of a Lithium battery. With the...

HF Radio on a Boat Afternoon all, and Dave. First there is electrical grounding for HF and then there is the radio ground plane. Two different things. Think of the sintered metal plates as great DC grounding plates and pretty good for static discharge, though most will not stand a direct...

Very simple, current, wind and bad luck.

20 Micron Not sure on other engines, but on the Yanmar & Westerbeke that I had in the boat for 30 years never had a problem. Originally I used the same logic of a 5 micron as the 1st filter and the factory 2micron on the engine. What I found is that you needed to change the Racor often...

5 Micron is way to fine for the first fuel filters. A really good size is 20 micron and the final filters on the engine are the 5 or 2 micron depending on the engine manufacturer. Using 5 micron on the 1st filter just begs for a clogged filter on the 1st rough passage when you shake the crude...