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  1. ESGWheel

    Volvo Penta 5.0 GL PWTR - severe overheat - thought I was on fire - troubleshooting Questions

    Some additional thoughts: for the reassembly, chase ALL the various bolt holes with thread chaser (not tap). This is important to get the proper torques. Example thread chaser set (link). Also get a machinist straight edge like this link. Lay it across the various matings surfaces like the heads...
  2. ESGWheel

    Volvo Penta 5.0 GL PWTR - severe overheat - thought I was on fire - troubleshooting Questions

    Agree and Amen. With 21 years myself in the Navy I have known too many that have given their all. For your pics: others like Lou will know better, but it sure looks like you have led a good and clean life because someone it looking after you! Assuming it is debris in the cylinders (as opposed...
  3. ESGWheel

    Mercruiser 120 poor starting

    Wow, that is a lot and while may not preclude the engine from running its good that the engine did not run with that mixture! That much fuel must have been coming from the leaking diaphragm of the fuel pump. So new pump and condenser and lets get it running!! BTW I meant to highlight that was...
  4. ESGWheel

    Mercruiser 120 poor starting

    Guffer, I am not quite following the test you are doing on the fuel pump. You are correct in your thinking that perhaps the diaphragm of the pump is leaking and introducing fuel into the oil. Below is a diagram of a generic mechanical fuel pump. It needs to be “airtight” (i.e. leakproof) in the...
  5. ESGWheel

    Volvo Penta PJX jet drive

    Fun little boat! Some other things for your son to consider if I may. Do not use Automotive replacement parts on the engine. It will be the less expensive way to go but for things like starters, alternators and other electrical they will not be SAE J1171 compliant. In fact, this may be a good...
  6. ESGWheel

    Whats this part called? TIA

    Are you wondering about what it may be called or is there an issue you are trying to solve?
  7. ESGWheel

    No start after engine install. Need Help!!!

    Roger that. The point of the post was around the TBV and how the testing process needs to be different fm TBIV so was trying to mockup the TBV to show why. I could not find a wired up TBV pic readily so stole with pride fm another post :)
  8. ESGWheel

    No start after engine install. Need Help!!!

    Jonny, We should have picked up that for the version “V” of the ign system bonds the 2 gray wires inside the wiring harness as Scott mentions, thus only one gray wire to neg post of coil. Sorry for that. Thus, the T/S guide does not work for version V unless you disconnect the plug at the...
  9. ESGWheel

    No start after engine install. Need Help!!!

    Jonny, Please pardon my dog piling on this one. First some fundamentals: The Ign Coil has +12V on the + terminal (so when the key is on / start it has power) and on the other side (the negative terminal) is a switch that opens and closes as the motor turns. When the switch is closed the coil...
  10. ESGWheel

    93 mercruiser 4.3 alpha one gen 2 fuel problem (I think)

    It’s past my posting time so this may be a short answer Warm up time of engine and type of choke are not related. It alway takes time to warm up based on lots of factors including intake water temp. I would leave choke as stock (not convert) as it’s one less thing to worry about once you get...
  11. ESGWheel

    93 mercruiser 4.3 alpha one gen 2 fuel problem (I think)

    Before addressing how to power an electric choke, can you explain more about taking the carb in for a rebuild? Did you remove the carb and take it somewhere? Or took the boat somewhere and they experienced the same conditions as you did and said, “it’s got a lot of build up and sticking”? Build...
  12. ESGWheel

    Starter issue

    Oh, thanks for that pic. No good. It looks like that milky is more than just a condensation issue. That valve stem is busted in two vs what I was suspecting (broken spring dropping a valve). I now think it’s due to rust that caused the valve to part its ways. Looking forward to the pics with the...
  13. ESGWheel

    new engine overheats

    I am putting my money on you finding remnants of Texas mud wasps in the t-stat and elsewhere :)
  14. ESGWheel

    Volvo penta 4.3GL Knock in engine.

    As Lou is suggesting, your timing is more then likely off. Please provide the steps you took to reinstall the distributor. While I am sure you believe it was done correctly clearly something is off, so your explanation of those steps can help lead to the solution. Thanks.
  15. ESGWheel

    new engine overheats

    Thanks for the explanation. I now understand that even with the t-stat fully open there is enough ‘blockage’ to cause the needed flow of water to the manifolds.
  16. ESGWheel

    No start after engine install. Need Help!!!

    This thread (link) has a wiring diagram in addition to a lot of good info.
  17. ESGWheel

    Starter issue

    Good to know oil changes are ‘clean’ so agree probable condensation. When I initially read "milky" however the advent of the dropped valve made me think there is a possible connection. Frankly I am still unable to connect the dots of a previously running engine and at the next startup it is...
  18. ESGWheel

    Mercruiser 470 timing - service manual?

    All good now?
  19. ESGWheel

    new engine overheats

    @Scott Danforth So I do not offer that advice again please help me understand why bad… thanks
  20. ESGWheel

    Starter issue

    That is unfortunate but frankly what we were all thinking. Hopefully there is no damage to the piston and cylinder. How this happened is a bit of a mystery, but the milky oil may be providing a clue. Step 1, as you are already doing, is to pull that head and inspect. Post results and pictures...
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