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  1. tpenfield

    Bought my first boat to cut, gut and rebuild from bow to stern, including engine. Killed my back and suffered the wrath of the fiberglass demons

    If it is solid and has no voids, I would just make good on the next layer. In terms of wetting out fiberglass, this is what you are looking for (clear). Below is some biaxial cloth, bonding the top of a stringer to the underside of a deck. You can see right through the cloth.
  2. tpenfield

    Bought my first boat to cut, gut and rebuild from bow to stern, including engine. Killed my back and suffered the wrath of the fiberglass demons

    The woven roving looks fairly dry. When you are using fiberglass cloth (WR or Biaxial) you want the resin to really soak in. Thickened resin makes it more difficult to do so.
  3. tpenfield

    Flushing raw water side of 5.7GXi-HF

    Sounds like you have a 'half' system, so yes you might want some circulation. The manifolds will get de-scaler solution, as long as you use enough of it. The risers may benefit from some circulation of the de-scaler. Typically on the exhaust, it is more about rust.
  4. tpenfield

    1994 Mercrusier 350 Mag ECT bravo closed cooling system

    My first look would be the impeller, then to see if there is debris at the outdrive bell housing inlet fitting from running around. Thermostat would be the least of the worries at this point. Do you know if the engine is fitted with a sea water strainer?
  5. tpenfield

    Flushing raw water side of 5.7GXi-HF

    I take a marine de-scaler in through the muffs (about 5 gallons of it) and let it sit for about 6 hours. It cleans out the Heat Exchanger nicely. I do it once a year. Otherwise, the tubes within the H.E. tend to clog with calcium build-up. There are a few product names for the solution...
  6. tpenfield

    Why is finding information on boats so difficult?

    You'll get there, but In the boating world serial numbers do not tend to decode as they may in the automotive world. There are boat HIN numbers . . . similar to VIN in the automotive world. As for the engines, those tend to be serial number ranges, and do not relate in any way to the boat...
  7. tpenfield

    Bought my first boat to cut, gut and rebuild from bow to stern, including engine. Killed my back and suffered the wrath of the fiberglass demons

    Just go to Amazon and search "totalboat polyester resin" a few things will come up including the $35 / gallon stuff. . . . it is in a plastic jug, wehereas many of them are in metal cans.
  8. tpenfield

    Mercury SmartCraft Gauge Question

    2016
  9. tpenfield

    Mercury 6.2L ECT Seacore Alternator Replacement . . .

    About 25% less RPM per engine RPM. Probably the biggest difference is at idle speeds.
  10. tpenfield

    Mercury 6.2L ECT Seacore Alternator Replacement . . .

    Quick Update . . . . The 2nd new alternator is installed (Arco Marine). I connected the wiring and tested the voltage on the 'purple' wire, which was about 11.8 volts static . . . equal to the other engine. FWIW - and those considering the Arco Alternators for these engines . . . P/N 20800...
  11. tpenfield

    Bought my first boat to cut, gut and rebuild from bow to stern, including engine. Killed my back and suffered the wrath of the fiberglass demons

    I see that Amazon has a quart size for $35.99 and a gallon size for the same price. 🤪
  12. tpenfield

    Does anyone remember when car & boat engines only had.

    The car looks like it is on the other side of the world. :LOL:
  13. tpenfield

    2008 Chaparral Sunesta Merc Engine Sensor Alarms

    Engine sensor is pretty vague. You may need the computer diagnostics to identify the sensor and related causes better.
  14. tpenfield

    Thinking about upgrading to AGM batteries

    Yes, what little hair I had is now gone. :ROFLMAO:
  15. tpenfield

    Thinking about upgrading to AGM batteries

    You could reach out to Formula 'TAG' (Technical Assistance Group) for any guidance they have on AGM batteries.
  16. tpenfield

    Does anyone remember when car & boat engines only had.

    I remember . . . Actually my 1969 Mercury outboard . . . still running today . . . is magneto and carb. I took it out yesterday on my pram dinghy . . . started first pull. I don't mind the electronic engine controls . . . but some of the stuff that the auto and boat companies do with...
  17. tpenfield

    Thinking about upgrading to AGM batteries

    AGM works like regular batteries from a charging perspective. So, it should be no issue. There are chargers with AGM profiles, if you run them down substantially, but for general use it should be fine. Not sure if your shore power charger has various settings. I know my 1996 Formula 330 was...
  18. tpenfield

    Mercury SmartCraft Gauge Question

    I sent an email to the boat manufacturer (Cruisers Yachts) to see if there is/was a GPS connector in the wiring harness, or if they have any advice on connecting to the Mercury GPS signal, etc.
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