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Recent content by Jgallo17

  1. J

    Coolant In Exhaust 351W

    As of right now i have a forward cap on the manifold and on the back of the manifold as well to circulate the coolant through. Part number 1-60252. https://www.marineengine.com/parts/barr-marine-manifolds/mercruiser-v8-ford-302-351-direct.htm
  2. J

    Coolant In Exhaust 351W

    My apologies, my heat exchanger does have 5 connections. Raw water in and out, 2 coolant return lines, and a coolant to water pump line. See attached photo. The far right connections are the raw water. And noted. That makes sense good to know that vent hole is for raw water systems. That might...
  3. J

    Coolant In Exhaust 351W

    There are 4 hoses connected to the heat exchanger. Two on top that are the return from the manifolds. And two on the bottom. One is seawater in. Other is coolant out to the water pump.
  4. J

    Coolant In Exhaust 351W

    Yes i have 3” risers. MC-20-61851A2
  5. J

    Coolant In Exhaust 351W

    The boat was FW from the start. Ran it outside the boat for no more then 3 minutes maybe 3 times or so. Even with the engine not running and just the water hose running coolant is coming out of the exhaust.
  6. J

    Coolant In Exhaust 351W

    I'd like to add that when the engine was run outside of the boat, no coolant was present in the exhaust. Only once we put it in the boat with a hose connection to the water inlet was this problem noticed,
  7. J

    Coolant In Exhaust 351W

    Hello all, Recently installed an overhauled Ford 351W into my boat; it's a full freshwater-cooled system. When I connect water via a hose connection, antifreeze is coming out of the exhaust. We have tested the heat exchanger, and there are no leaks internally. To me, the only thing that can...
  8. J

    Mercruiser Wire Harness Help

    I’m just confused as to where the coil gets power when the key is in the RUN position. Does the R terminal provide power when the key is in RUN, and not start?
  9. J

    Mercruiser Wire Harness Help

    I shot you a DM
  10. J

    Mercruiser Wire Harness Help

    I just DMd you
  11. J

    Mercruiser Wire Harness Help

    Little follow up here. When turning the engine over the wire that comes from the R post on the starter becomes HOT and smokes. Attached to the positive post on the coil is the R post wire, alternator wire, choke wire, and a wire that goes to the distributor. On the negative side, there is a...
  12. J

    Mercruiser Wire Harness Help

    thank you, im tackling this tomorrow
  13. J

    Mercruiser Wire Harness Help

    Hello, first post here I am currently rebuilding my Ford 351W marine engine. I am at the point of wiring up the engine; however, the wire harness is making me scratch my head. Is anyone able to provide a pin layout for this harness? I have looked all over, yet I have not seen anything. The...
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