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  1. hivoltg

    Mercruiser 5.0L '98 w/ carb - cranks but won't start

    Re: Mercruiser 5.0L '98 w/ carb - cranks but won't start The fuelpump should draw it's power from the ignition circuit (Purple wire) in the engine's harness, it will route thru the oil pressure switch for saftey, that is the fuel pumps primary running circuit. From the small excited terminal on...
  2. hivoltg

    MC-1 Magnetic drain plug question

    I have a 77 Wellcraft suncruiser 2000 and I have been doing all the maintenance I can since I dont have a crystal clear picture of the history on this boat. I was told the outdrive was just rebuilt. I changed gear fluid and it looks good during the impeller & housings replacement. I noticed my...
  3. hivoltg

    Exhaust manifolds and risers water line upgrade help

    Re: Exhaust manifolds and risers water line upgrade help Ok so alittle update on information. I removed the thermostat housing this weekend and cleaned it out. I figured out some internal water routing. The top front existing coolant lines connecting the thermostat housing to the risers are...
  4. hivoltg

    Exhaust manifolds and risers water line upgrade help

    Re: Exhaust manifolds and risers water line upgrade help Thanks Bond-o. Here are some pics of what im working on. 351 Ford. Two coolant lines above the thermostat per side. One below per side. Pics diagramed to where they go. Impeller water comes in below the thermo and block water pump line...
  5. hivoltg

    Exhaust manifolds and risers water line upgrade help

    New to the forums and could use some expert advise. I have a 1977 Wellcraft Suncruiser 2000 with a 351 Windsor engine. Mercruiser 888 setup. It had 35 year old log style exhaust manifolds and risers. Still working btw. I figured it was time to upgrade them. Yesterday was very fun getting them...
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