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  • #16
    Well----I count 8 sparkplug wires in the picture.----Remove distributor cap to see if there are points / condenser in there.

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    • #17
      Originally posted by racerone View Post
      Well----I count 8 sparkplug wires in the picture.----Remove distributor cap to see if there are points / condenser in there.
      If the motor runs great at neutral, does the carb needs an adjustment aside from the ralenti/idle one. Assume carb has fixed jets that start to work once idle rpm rises, right ? Will look for points/condenser if having them, will be good to know the distributor's time advance setting, probably set wrong ? Thanks.

      Happy Boating


      Sea Rider 320, 380 Sibs, 450 Rib, 2 Strokes Tohatsu 5,18 & 30 HP Proud Smokers

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      • #18
        That is definitely a V8 and it has a Holley 2bbl 2100 carb and no doubt an electronic ignition system. If its runnning poorly, a complete tune up (spark plugs, cap, rotor, spark plug wire resistance, etc) and fuel system cleaning (carb, fuel filter, operation of electric fuel pump, check of anti siphon valve) are all needed at this point. It would also be a good idea to do a compression test before doing anything else (warm up engine, disable ignition, set throttle wide open) to determine if the poor performance is due to low compression and engine wear.
        1988 Four Winns 200 Horizon
        4.3 OMC Cobra

        98 Jeep Grand Cherokee 4.0 Selectrac
        07 Jeep Grand Cherokee Limited 5.7 Quadradrive II

        "While air doesn't freeze....rust never sleeps"

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        • #19
          Holley carb.

          Reving in neutral means nothing. The motor will do that running on two cylinders

          Pull the carb and go thru it

          Looks like a delco voyager dizzy.
          Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

          1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - https://forums.iboats.com/forum/owner...988-rogue-2420

          Past Boats
          1970 Wooster Hellion - Merc 9.8
          2002 SeaRay 190BR - 5.0 - A1G2 - "Cheeseheads in Paradise"
          1984 Avanti 170DLI -3.0 stringer- "Ship Happens"

          What’s behind you doesn’t matter.Enzo Ferrari

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          • #20
            Originally posted by Scott Danforth View Post

            Looks like a delco voyager dizzy.
            Doesn't look like a Delco Voyager coil though.

            1998 Wellcraft Eclipse 24 Cuddy
            Volvo Penta Duo-Prop 7.4L "LK"

            2006 Sun Tracker Party Barge 21
            Mercury 90 4-Stroke FI
            "Common sense is not very common"
            "Failing to prepare is preparing to fail." -- John Wooden

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            • #21
              Thanks all, will check with owner what has been done, checked so far to said motor, would you say that this motor is a trrusty and reliable one ? I know idle rpm means nothing, revving at load is all, same for outboards.

              Happy Boating
              Last edited by Sea Rider; February 11th, 2020, 09:57 AM.


              Sea Rider 320, 380 Sibs, 450 Rib, 2 Strokes Tohatsu 5,18 & 30 HP Proud Smokers

              Comment


              • #22
                Yes when it left the factory it was " reliable "-----But many folks do not know how to operate / maintain a marine engine.-----That is why it is in an " unreliable state " at the moment.----Volvo picked the 350 and other GM engines to use in their product line.----Tell you something ?-----Perhaps the economics / production volumes came into the picture too.
                Last edited by racerone; February 11th, 2020, 10:21 AM.

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                • #23
                  Originally posted by bruceb58 View Post
                  Doesn't look like a Delco Voyager coil though.
                  I think OMC used the Prestolite BID system at that time so its possible Volvo used the same thing.
                  1988 Four Winns 200 Horizon
                  4.3 OMC Cobra

                  98 Jeep Grand Cherokee 4.0 Selectrac
                  07 Jeep Grand Cherokee Limited 5.7 Quadradrive II

                  "While air doesn't freeze....rust never sleeps"

                  Comment


                  • #24
                    Originally posted by racerone View Post
                    Yes when it left the factory it was " reliable "-----But many folks do not know how to operate / maintain a marine engine.-----That is why it is in an " unreliable state " at the moment.----Volvo picked the 350 and other GM engines to use in their product line.----Tell you something ?-----Perhaps the economics / production volumes came into the picture too.
                    It’s also 22 years old!
                    if not maintained every year and used regularly there can be a number of problems with the fuel system especially.
                    We would not buy a 22 year old vehicle and expect it to be 100% reliable either. I have one (98 Jeep) but bought it new and have maintained and repaired it all this time.
                    Last edited by Lou C; February 11th, 2020, 01:57 PM.
                    1988 Four Winns 200 Horizon
                    4.3 OMC Cobra

                    98 Jeep Grand Cherokee 4.0 Selectrac
                    07 Jeep Grand Cherokee Limited 5.7 Quadradrive II

                    "While air doesn't freeze....rust never sleeps"

                    Comment


                    • #25
                      Originally posted by Lou C View Post

                      I think OMC used the Prestolite BID system at that time so its possible Volvo used the same thing.
                      Yep...those were the joint venture years. Just looked at my manual for the Volvo LK model says Prestolite BID for the 5.7. LK was 1997.
                      1998 Wellcraft Eclipse 24 Cuddy
                      Volvo Penta Duo-Prop 7.4L "LK"

                      2006 Sun Tracker Party Barge 21
                      Mercury 90 4-Stroke FI
                      "Common sense is not very common"
                      "Failing to prepare is preparing to fail." -- John Wooden

                      Comment


                      • #26
                        Sorry searider I didn’t the the video it opens for a second and closes even quicker. It does look like a merc motor in colour but ancillaries are different for sure. Even thought it might be the Ford 5.8 Fsi they sometimes use. But no fuel injection there sure looks like a 350 of some sort. What’s the drive on it again ?

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                        • #27
                          That's OK QBoy, the water leak was finally found and solved. The drive says Volvo-Penta, it's the dual prop model. Which type of prop hub do this prop system works with ? Being a 22 year oldie drive system could the hubs be shot ?

                          Happy Boating


                          Sea Rider 320, 380 Sibs, 450 Rib, 2 Strokes Tohatsu 5,18 & 30 HP Proud Smokers

                          Comment


                          • #28
                            Originally posted by Sea Rider View Post
                            That's OK QBoy, the water leak was finally found and solved. The drive says Volvo-Penta, it's the dual prop model. Which type of prop hub do this prop system works with ? Being a 22 year oldie drive system could the hubs be shot ?

                            Happy Boating
                            Hi Searider.

                            about the prop hubs you ask about....very unlikely and perhaps not even a thing. If it’s the 290 based dpd or dpe or anything like it, the props are not like the conventional outboard or small merc hubs. They are almost hard splined with little give onto the counter rotating inner and outer shafts. Only a small fixed section within the props. In those days it would have been most likely b series props. I think have now been replaced with J series. Only from memory though. If they were stainless. They would be C series.

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                            • #29
                              Originally posted by QBhoy View Post

                              Hi Searider.

                              about the prop hubs you ask about....very unlikely and perhaps not even a thing. If it’s the 290 based dpd or dpe or anything like it, the props are not like the conventional outboard or small merc hubs. They are almost hard splined with little give onto the counter rotating inner and outer shafts. Only a small fixed section within the props. In those days it would have been most likely b series props. I think have now been replaced with J series. Only from memory though. If they were stainless. They would be C series.
                              This drive is not the old style 290.

                              The engine is also not a Ford 5.8...it's a Chevy
                              1998 Wellcraft Eclipse 24 Cuddy
                              Volvo Penta Duo-Prop 7.4L "LK"

                              2006 Sun Tracker Party Barge 21
                              Mercury 90 4-Stroke FI
                              "Common sense is not very common"
                              "Failing to prepare is preparing to fail." -- John Wooden

                              Comment


                              • #30
                                Sign up today
                                Originally posted by bruceb58 View Post
                                This drive is not the old style 290.

                                The engine is also not a Ford 5.8...it's a Chevy
                                Yeah think that became apparent later.

                                cheers.

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