The engine pictured is typical of the time for after market, higher hp 671. Later Detroit quit selling engines to after market builders because it...
I ran PBRs in Vietnam with 2 6v53s. My group used a special quiet version, heavy engineroom insulation, their exhaust went out the stern and into...
Looks like the boat is wood? Probably suffering from deck leaks? If so, deck leaks ruin much of the good wood below. It's common to lay plywood...
Ironwood, a name that includes many woods, was once used for cladding wooden hulls for ice protection. It was still used after iron and steel was...
Any major modification or engine change is only worth the price if you plan on running and keeping that boat for many years. Twins to a single...
I have a house type double door reefer and 2 freezers that have given no problem. The only issue is the reefer is painted steel (came with the...
I carry spare props, also, pumps, starters, alternators, injectors and so on. The old 3 blades that were replaced with 4 blade are my spares. I...
Depends on how they're used and maintained. Not as long lived as the 71 series but the same operating principals. If you keep the rpms at 80% of...
In small bilge areas where I want to keep the water as low as possible, I add a 2nd small pump/float and pump to the closest shower sump. The...
I made room for a full size shop roll around, but w/o the wheels and bolted down. When I bought the current boat, I knew I had to overhaul the...
You have to trace the wiring. You could have broken, corroded or burnt out connections. The problem could be either in the power or ground wires....
It depends on what you want to spend... How fast you want to go, how much fuel. I would start with talking to OEMs with experience in predicting...
There's probably a valve between the intake and the system.
Until you start paying for parts.
I've run DDs for 50+ years and they are my favorite. I've been rebuilding my own engines since 1969. The 12v71 is more reliable and cheaper to...
I have a 1942 Wheeler with it's original steel tanks. 2000 gallons total. Besides painting the outside, keeping water out of the fuel is the best...
Years ago (1960s) I had an I/O in partnership with a friend. He ruined at least 2 props a year. I never did. I think it's the captain.
Apparently fuel use is no issue... Even the USN in high speed patrol boats used diesels for slow speed. I have used diesel electric in ships and...
Actually many 471s were built in WWII to run generators in ships. Many steamships had one driving an emergency generator. Minesweepers like the...
