My 1986 C34 has 3,640 engine hours, and I use it a lot. Sounds reasonable.
It's most likely an M25 engine.
Engines 101 - The BIGGEST & BEST collection of M25 Series Universal Engine Information on the Internet, plus some M35, too :)
Diesel Engine - c34.org
If how you use your boat includes using the alternator to provide battery charging, then you should also replace the ammeter with a voltmeter. The reason is that eons ago they ran the charging wire all the way back to the cockpit panel from the power producing alternator and only then back to...
For those of you who see "patterns and pictures" in clouds, I see the profile of a gentleman in the NW corner of Vancouver Island in John's photo of Mike's chart. Maybe even another one further east (the photo is about 45 degrees off kilter).
Yes, that's a Facet (or Facet type) pump. Look carefully at the bottom: has a hexagonal bump at the bottom with tabs that keep the bottom section onto the body. Quarter turn oughta pop it off.
Is it a cylindrical Facet fuel pump? If so, shut off your fuel supply, and simply put a wrench on the bottom of it. Be careful of fuel leak, and there's a small magnet and a screen in the bottom of the pump.
However, your fuel should go to the primary filter first, NOT the pump.
True. However, many production boats already have their phrf #s developed by good race committees. You do NOT have a "one-off" unique boat, you have one that is substantially if not identically the same as a Catalina 30, CY made 6200 of them! You may want to find out if the RC already has...
IIRC, Scanmar in Sausalito, CA, represents a few different manufacturers. Try their website and then read the websites of the other vendors. Vendor websites should tell you ALL the answers to how each different one works.
In addition, each vendor may likely have installation photos for many...
I would venture to encourage you to carefully inspect your old one, because it most likely disintegrated from the inside out.
It is insulated on the outside to keep that excessive heat IN. There should be no corrosion on the outside of a hot pipe, especially when insulated.
Nice work on the...