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  1. sogood

    Engine temperature.

    Apologies if this is a little bit vague, but I'm wondering what temperature a 5.7 Mercruiser should run at. What's the max that should show at the gauge on the dash? I'm still refurbing my Wellcraft and will be working on the engine soon, running it on muffs and want to know what I should...
  2. sogood

    Head wiring

    I'm giving my Wellcraft 250 a bit of a refurb and as part of that, I'm altering the set up on the head/toilet. I've removed the waste holding tank as it's something that I'd never use, being always at sea. I intend to run the waste directly out, via the existing sea ****. At present, the set up...
  3. sogood

    Engine ID

    I'm trying to identify my engine, as specifically as possible. What I know for sure is that it is a 1990 Mercruiser, 5.7 V8. My Seloc manual would suggest that it's a GM 350, V8 small block, made between 1987 and 1991. I'd like to find a serial number or ID plate for peace of mind when it comes...
  4. sogood

    Wiring question

    I'm in the process of giving my Wellcraft a bit of a refurb, part of which is to replace the old fuse board and relocate it from under the dash to the head/toilet. I have much of the wiring identified but one thing has me wondering. All the wiring which is hot/live feeds are orange, except for...
  5. sogood

    Plumbing

    I'm in the process of refurbing a 1990 Wellcraft 250 Sportsman and was looking at replacing some of the hoses on the toilet/head set up. So, I began the process of identifying and tracing the existing hoses. I have identified much of what is there and the set up is such that there is a waste...
  6. sogood

    Sour fuel question

    As part of the overhaul of my Wellcraft, I've had to remove about 80 gallons of old fuel from the tank. Still some more to remove, but then I'll need to clean/ flush the tank and fuel lines. The carb has been rebuilt by the previous owner and the boat was "test run" using a portable tank. ​So...
  7. sogood

    Other boating Forums................

    Mod EDIT I regularly visit the other forums, but in the last few days it has become unavailable. Either it "can't be found" or more recently, when I click on the link for it, it opens a different site called something along the lines of Motorboats and Outboards. This site seems to be more...
  8. sogood

    Mercruiser hoses

    Doing some improvements and replacing hoses is on the agenda. The boat has sat up for some time and some of the hoses don't look as healthy as I'd like. I was checking out the hoses on the manifolds and the two large hoses that run from top down are different, in that one seems to have a hard...
  9. sogood

    fuel pump fuel filter question

    Apologies if I'm hijacking this thread, but my question is somewhat related. I'm in the process of emptying old fuel from my Mercruiser 5.7 and want to replace the fuel filter and install a water separator. On the front starboard corner of the engine is what appears to be the fuel pump and...
  10. sogood

    Manifolds/Risers

    Still getting familiar with my new boat and it's engine in particular. It's a 5.7 Mercruiser, circa 1990 with an Alpha Gen 1 outdrive. I have come across a pair of used manifolds/risers, apparently clean and crack free, for a very good price. But, I believe there are two types used, as in 3" and...
  11. sogood

    Mystery wire

    Hi all. Just working my way through the variety of inoperative electrical items on my boat. The item in question is a 5.7 litre Mercruiser with an Alpah 1 Gen 1 outdrive. I discovered a "stray" wire that looks like it should do something and wondered what it is. It's a spiral/twisting Green...
  12. sogood

    Trim Gauge

    Hello all and greetings from Ireland. I have been a regular visitor and lurker, but have joined up now, as this seems to be a very active and vibrant community. Anyway, long story short, I'm tidying up a Wellcraft 250 Sportsman, with a 5.7 liter Mercruiser inboard and an Alpha 1 outdrive...
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