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  1. mvn

    Engine hour gauge

    Merc Thunderbolt V ignition systems store engine hour data which can be read by scan tools such as Rinda's Techmate Pro or Rinda's Diacom PC software. Mark
  2. mvn

    small electrical item off the battery...anyone know what this is?

  3. mvn

    small electrical item off the battery...anyone know what this is?

    The circuit breaker rating is on the Truflex part you posted. Have a look at these with the metal cover removed. There are plenty of replacements out there. You need to find the load it's protecting and size the replacement accordingly.
  4. mvn

    Replace Chartplotter/GPS

  5. mvn

    Water in oil, again

    There might not be a "mechanic in a can" but I found this......
  6. mvn

    Help to identify the boat year and model.

    I'm thinking 1965/1966 Starcraft Jet Star. Looks the same as other photos online. 1165 looks like a production date code to me.
  7. mvn

    Yep, another prop question!

    When you can, provide the following info..... 1. Wide open throttle rpm as indicated above 2. Drive ratio 3. Intended use/desired qualities 4. Gross weight, typical/max Once you've got that, there are numerous online calculators available that can narrow down the optimal prop.
  8. mvn

    Herters boats

    I remember my father had a Herters catalog from the early 60's. He also had that same outboard!
  9. mvn

    V8-320-c-b

    I have yet to find any online information about deciphering Volvo beep codes. Without ECM data, you're just working blind.
  10. mvn

    2008 Volvo Penta 5.0 GXi will not start, odd alarms

    Congrats! A great feeling when you can figure out a not so obvious problem! Even though I sometimes assume the worst, it's always good to check the simple stuff first.... I've been bitten a few times myself! Have you considered putting in a dual battery system? Mark
  11. mvn

    2008 Volvo Penta 5.0 GXi will not start, odd alarms

    First thing I would check when experiencing electrical gremlins are all of the ground points on the engine block, ground block and all battery terminals (clean and tight). Mark
  12. mvn

    V8-320-c-b

    A Volvo Penta V8-320-CB is a multiport fuel injected 5.7L V8. Here's a link to a parts listing: https://www.marinepartsexpress.com/VP_Schematics/directory.php?dir=GAS%2FV8-225-C-B%2C+V8-300-C-B%2C+V8-320-C-B%2F Best way to figure out what's going on is to hook it up to a Rinda scan tool which...
  13. mvn

    2012 VP 300 C-A Exhaust manifolds getting too hot - DTC 441 & 442

    I gravity feed the pink into the engine bay flush connector/hose with the engine at idle with the Quick Drain closed. Afterwards, I open up the Quick Drain and drain everything out. Mark
  14. mvn

    2012 VP 300 C-A Exhaust manifolds getting too hot - DTC 441 & 442

    No worries.
  15. mvn

    2012 VP 300 C-A Exhaust manifolds getting too hot - DTC 441 & 442

    OP asked me a question so I answered it. Is there a problem?
  16. mvn

    2012 VP 300 C-A Exhaust manifolds getting too hot - DTC 441 & 442

    1. Stabilized fuel 2. Changed engine oil and filter cartridge. 3. Ran 1 gal of 50:1 2-stroke premixed fuel to lubricate fuel pumps and injectors. 4. Changed fuel filter. 5. Changed sterndrive gear oil. 6. Drained raw water and flushed raw water side with pink antifreeze. 7. Lowered...
  17. mvn

    2012 VP 300 C-A Exhaust manifolds getting too hot - DTC 441 & 442

    Been following this topic since the beginning and have a comment regarding the availability of Volvo VCS coolant. My V6-280-M is also a closed system and I wanted to get some Volvo coolant to keep on hand to top up the expansion tank just in case. I have not been able to find any. I passed by...
  18. mvn

    1972 Grew SS245

    Had a very similar model back in the 80's. Set it up for salmon fishing on Lake Ontario. Back in the days of paper chart sonar and LORAN C navigation! Great, solid boat in the rough water. No major issues from what I recall. Only one shift coil went bad. I had the same engine and put in a...
  19. mvn

    Where to find missing boat piece.

    I recommend you make it out of Starboard. https://www.mcmaster.com/starboard-sheets/ Mark
  20. mvn

    Grew 237 Prop Question

    I had a 1970 Grew 234. One of the first projects undertaken before launching it was to cut the cuddy floor out and remove the waterlogged foam. Best I could tell, water came in through the rub rail screws. Mark
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