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  1. J

    Winterization Question

    Hi All, I live in the PNW where we have relatively mild winters but it does freeze from time to time, with a few weeks a year where we’ll have a cold snap with 3-4 days of sub-freezing temp days in a row. My engine is freshly rebuilt (16 hours now) and I’m hoping to squeeze a few more...
  2. J

    5.0GL-C won’t get on plane

    Hi all, Freshly rebuilt 5.0GL-C in a 22’ cuddy cabin walk-around starts up and runs like a dream in the driveway, but won’t go above 2600 RPM when in the water. She hesitates a little coming off idle but then revs up but just falls on her face between 2,000-2,600. Sometimes it’ll backfire and...
  3. J

    5.0GL-C Crank Position Sensor

    Hi All, I was curious to know if anyone understands the purpose of the Crank Position Sensor on the 5.0GL-C? I found a wiring diagram for this engine elsewhere on this forum and it does not show the crank position sensor being attached in anyway to the wiring harness, and even on the VP Parts...
  4. J

    Leftover parts…

    After a 2+ year journey in rebuilding my ‘02 5.0 GL-C it’s finally back in the boat and I’m putting the finishing touches on electrical, coolant, and accessory hook ups. I’ve got just about everything tightened up and torqued down and I came across these 2 items in my parts bin. One just looks...
  5. J

    Fresh water cooled system radiator cap PSI

    I mistakenly tossed the old cap from my fresh water cooled system and can’t seem to find a pic clear enough to read what the pressure rating was on it. I grabbed one from Autozone and just realized it’s a 20lb cap which seems really high. Does anyone know what the standard pressure is in marine...
  6. J

    Starter extension/stand-off nut and bolt

    As part of the rebuild of my 5.0GL-C I replaced the starter as it was pretty badly corroded. When I tried removing the wiring from the starter the entire terminal snapped off (see pic below). As you can see in the pic one of the wires was flush to the starter then secured with a generic nut and...
  7. J

    Exhaust Riser Sensors?

    I’m in the process of rebuilding my VP 5.0GL-C and I came across these sensors and for the life of me can’t remember where they go. I took lots of pics before disassembly but the exhaust risers were already off and I’m thinking maybe they go in there? My new risers are from Barr and don’t have...
  8. J

    VP 5.0GL-C Head Gasket FelPro Part Number

    Internet searches and the good folks at Summit Racing all seem to agree that FelPro’s Head Gasket Kit #17224 is the right part number for my 5.0GL-C, but then I just found over on Marine Engine Parts it specifically says that the 17224 kit is NOT for engines with Vortec heads and I was fairly...
  9. J

    Volvo Penta 5.0 GL-C Rebuild Help

    TL : DR - I’m rebuilding a VP 5.0GL-C and am looking for tips/tricks/recommendations from folks who have done it before. Mostly I’m wondering what parts HAVE to be the proper “marine” versions, and which parts it’s OK to use the automotive equivalent of. Full story - I suffered a valve strike...
  10. J

    Zero Compression on 2 Cylinders...

    5.0GL-C Model #3869131 Serial #4012085620 (? Label is really faded) Aftermarket freshwater cooling Aftermarket coolant fed heater core/heater system 150 hours since alleged rebuild/reman swap (previous owner reports and provided receipts) After finally getting to the bottom of an overheating...
  11. J

    Volvo SX-M prop shaft seal leak

    Hi everyone, big thanks to all of you who share your knowledge here, I’ve learned quite a bit from just lurking around. I’m sorry to ask a question as my first post but I’m hoping you all can help me decide what to do here. While winterizing my new to me ‘03 Blue Water Sportfisher I found water...
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