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    Approximate towing weight 1998 Sunbird 17

    No idea why there would be blocks of water absorbing foam in any boat's bilge. I wouldn't have one of these boats as a gift. Especially the ones with IO drives. In fact the one I have been posting about was just offered to me free. But I definitely don't want it. I am quite capable of...
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    Volvo-Penta 3.0 - water in oil and other issues.

    This guy has same 98 engine. Finally found that this V-P engine version is, according to video, the 3.0LGS. Outdrive markings are different, but our Sunrider does also have V-P outdrive. Outdrive controller in engine bay is marked as OMC cobra SX. I read that 1998 was last year of Volvo-OMC...
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    Approximate towing weight 1998 Sunbird 17

    I have owned boats for at least 60 years here in Canada. Also owned and operated a marine business for 27 of those years. I do get confused about a lot of things at my age, not this ;) Hard to imagine how water would be absorbed into 'foam'. If you mean in cored hull, it should be closed cell...
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    Approximate towing weight 1998 Sunbird 17

    The trailer as best as I can determine is 780lb. So you are right! You are probably seeing GVWR . After checking my Outback manual, I found that the towing capacity for our 2019 2.5LTD is only 2700lb :( I previously had seen the 3500lb, but that is likely for model with turbo engine. We...
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    Approximate towing weight 1998 Sunbird 17

    From what I can gather, a Sunbird 17 1998 vintage bowrider with Volvo-Penta sterndrive weighs 2290lbs. The boat is on a single axle original Sunbird trailer. Guessing at something like 400-500lb? Say 2750lb unloaded. My daughters boat, but we may have to move it somewhere this Fall. We have a...
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    Volvo-Penta 3.0 - water in oil and other issues.

    Maybe have another look!! Just the typical 4-cyl 3.0 used on V-Ps and Mercruisers.
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    Volvo-Penta 3.0 - water in oil and other issues.

    Inspection of cylinders didn't show much. No water present and no obvious rusting. Pressure test after draining worked betetr. Mainly because I found pressure pump was leaking slightly. But still, pressure dropped from 18-16 psi in about 20 min, Not surprising considering water had leaked into...
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    Volvo-Penta 3.0 - water in oil and other issues.

    Starting to look like this boat and engine will need to find a new owner who is prepared to do a DIY engine rebuild or replacement. Otherwise, what do owners do with these boats when it is no longer economical to repower?
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    Volvo-Penta 3.0 - water in oil and other issues.

    Talking to myself here ;) But posting to at least document what I have done:. Today, so far, I pressure tested the cooling system. Method used as in previous post and attached pic. The block didn't hold pressure. I checked all connections with soapy water, found one tiny leak and re-tested...
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    Volvo-Penta 3.0 - water in oil and other issues.

    Scott, I haven't got to trying to pressure test the cooling system yet, but have been looking at how best to do it with this particular engine. This engine has a line from the thermostat housing back to the exhaust elbow. If I looped inlet water line back to line to manifold with tee for...
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    Volvo-Penta 3.0 - water in oil and other issues.

    Looking at the rust stains around the plugs, It is possible that when the marina first spun the engine, there may have been some water in the cylinders. And if it had been in the cooling cavities, it would likely contain rust. They may have then put some oil in the cylinders to stop rusting and...
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    Volvo-Penta 3.0 - water in oil and other issues.

    Thanks! See my reply to AD When I entered my numbers on their site they came up with nothing :( Maybe they don'y have manuals for old engines. I do have one now that seems close, but still not sure just which version of the 3.0 we have here! I will check that out! I am first going to...
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    Volvo-Penta 3.0 - water in oil and other issues.

    As posted above: "Boat number (Sunrider) ends in L798 which likely means this is a 98 model, built in 97. If engine is original, that would likely make it a 97." The gauge is almost new. I checked results of some others with similar engine. This one had 170psi on all cylinders:
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    Volvo-Penta 3.0 - water in oil and other issues.

    Did some testing. Spinning engine with plugs out - no water from plug holes. However, boat has been out of water for a while and marina may have done same thing - some rust around plug holes. Pressure tests look OK. Only thing I noticed, was that tester tip was "wet" with oil or water on cyl 4...
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    Volvo-Penta 3.0 - water in oil and other issues.

    I found some numbers: Boat number (Sunrider) ends in L798 which likely means this is a 98 model, built in 97. If engine is original, that would likely make it a 97. Drive plate - T0819764 Ratio 2.18 Engine block - starboard side rear on block GM 14057080 Engine - aft of distributor...
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    Volvo-Penta 3.0 - water in oil and other issues.

    Thanks. I will get back at it in morning, I couldn't initially find any plates with serial number on the engine, but will have a closer look. I did find a manual for one version.
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    Volvo-Penta 3.0 - water in oil and other issues.

    This is my daughters boat - she just towed to our home and wants me to have a look at it! I know a bit about engines, but mostly sailboat diesels, outboards and cars. I have never owned a real power boat! I am a total newbie when it comes to outdrives! What I have been able to gather: - a few...
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    My old 4/6HP 2-strokes won't run.

    In our area (Lake Ontario) lake levels were high last year and we could not put our docks or boats in the water. So they have been sitting for 2 years. Fuel was run dry last time they were used. Today I tried to start both the '79 6HP Johnson (6R79E) and the '74 4HP Evinrude (4406R). Had same...
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    72 evinrude gas tank fittings

    I have three OMC type plastic tanks, but don't recall seeing anything other than the two "prongs". Should all tanks have them? My tanks have something like this:
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