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  1. Team PCBeach

    High RPM overheat - Mercruiser 8.1

    Thanks for everyone's input on my issue. Turned out to be a clogged heat exchanger. Pulled the hose of the sea strainer and let the engine suck in 3 gal of Barnacle Buster then shut it down. Let it sit for 2 hours then fired it up. Significantly helped the problem, but pressure still...
  2. Team PCBeach

    High RPM overheat - Mercruiser 8.1

    Checked antifreeze and it was fine. Ran the engines at the dock and it looks like I might have a blockage since the PORT pressures seem high to me. Pressures Idle (700rpm): PORT-13psi, STBD-7psi 2000rpm: PORT-34psi, STBD-23psi 3000rpm: PORT-37psi, STBD 29psi Seems like pretty significant...
  3. Team PCBeach

    High RPM overheat - Mercruiser 8.1

    @JimG thanks. I always check oil, antifreeze and belts before getting underway, but will double check to make sure I didn't get a leak.
  4. Team PCBeach

    High RPM overheat - Mercruiser 8.1

    @SeadawgVB why weren't you with us, that is a great trip. We upgraded everything to VesselView as our Smartcraft display was dying. Used it watch engine temps, but didn't even think to check pressures. Might have to take a trip this weekend just to take a look.
  5. Team PCBeach

    High RPM overheat - Mercruiser 8.1

    2003 Sundancer 360, got an overheat on PORT engine during a trip yesterday when running at 3200rpm. Shut the engine down and continued our trip on the STBD. After about 15 minutes restarted the PORT and ran the rest of the trip at 2400rpm. Temp rose to 176 and held steady. STBD was running...
  6. Team PCBeach

    Calling all 360 DA owners

    Has anyone replaced the water pump impeller on their 360? I think mine is failing and considering doing it myself, but not sure about the access.
  7. Team PCBeach

    Calling all 360 DA owners

    Thanks, looks like the perfect solution and a pretty easy upgrade.
  8. Team PCBeach

    Vacuflush Vacuum Leak Repair success

    Just wanted to post my repair so others that might be in the same position don't have spend the time reading lots of old threads. 2003 Sundancer 360, vacuum pump started running every 3 minutes. Toilet holds water unless we are away from the boat for a couple of weeks. Vacuflush is new to us...
  9. Team PCBeach

    Calling all 360 DA owners

    Has anyone replaced their cabin courtesy bulbs with LED? I am having a hard time identifying the bulb type. On our 2003 360, the covers have burn spots from the heat of the standard bulbs and we want to change to LED. I think they are 1/4 wedge 5W bulbs, but if that is the case, all I have...
  10. Team PCBeach

    Vacuflush losing vacuum after duckbill/bellows replacement

    Yes for clarification I just took the motor from the discharge and used it on the Vac pump. I have done a little more research and believe changing out the entire pump is way more expensive than I thought because I had been looking at discharge pumps and now realize the discharge and vacuum...
  11. Team PCBeach

    Vacuflush losing vacuum after duckbill/bellows replacement

    Vacuflush system on 2003 360 Sundancer. Systems started cycling the pump every couple of minutes. I took too long to address it and actually burned out the plump.Tank was holding water so my research said it was the duckbills. Replaced all duckbills and the pump bellows while had it off the...
  12. Team PCBeach

    Calling all 360 DA owners

    @Bill Watson @Searageous thanks for the information, exactly what I needed! I placed my order with Boatzincs as the prices are 1/2 of the local West Marine. What is everyone's thought on Aluminum vs Zinc in Salt Water? I went with Zinc since that is what I have been using, but they seem to...
  13. Team PCBeach

    Calling all 360 DA owners

    Does anyone know the shaft diameter on the 360? I need to get a set of Zincs for my diver and I am not sure what size to get for the shafts. I think the ones on the trim tabs are 5" and the hull zinc can just be a slotted unless someone has a source they can send me to order them. I checked...
  14. Team PCBeach

    8.1s - RPM issue under load

    I wanted to follow-up to close this out. Finally was able to get the plugs changed. Also topped off the fuel since we were down to 1/3 tank since the last fill-up in April (with stabilizer added). Boat ran perfect! I am guessing it was the plugs as the fuel should not have gone bad in 6...
  15. Team PCBeach

    8.1s - RPM issue under load

    Hopefully replacing the plugs this week. I did hear the rattling you describe when first pulling away from the slip. The noise went away once things got warmed up and was not there when we pulled back into the slip.
  16. Team PCBeach

    8.1s - RPM issue under load

    Thanks, transmission fluid was just changed before our last good run (32 miles). I will check levels just to make sure.
  17. Team PCBeach

    8.1s - RPM issue under load

    Thanks for the suggestion. I will take a look at this. I am thinking my issue is just with the STBD. Since STBD won’t come up above 2900, I think that is causing the PORT to be limited to 3400 as it is working too hard to push the boat.
  18. Team PCBeach

    8.1s - RPM issue under load

    Unfortunately the hull cleaning made no change. I kind of expected this as our last cleaning was just 3 weeks ago.
  19. Team PCBeach

    8.1s - RPM issue under load

    Long post here, but wanted to include all information. 2003 Sundancer 360 with Merc 8.1s. 465 hours salt water both engines. Back in April/May had the boat hauled due to a vibration when on plane. This was after having the boat trucked from the Fl Panhandle to Jacksonville. Ended up having...
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