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    Gimball ???

    Only way to know for sure is to pull the drive and inspect. You could try pumping some/a lot of grease in the gimbal bearing zirc and see if the noise changes/goes away Or you could pull the drive and get eyes and hands on
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    Intermittent rattle from top of outdrive at low rpm

    Was a tune up recently performed on the engine?
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    Classic Chris Craft 283H engine voltage regulator

    The old chris craft motors used a belt driven generator with a divorced regulator/rectifier. Like an old tractor Agree the alternator in place of the old system could likely have a regulator/rectifier in it. What voltage is the current setup producing?
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    Volvo Penta 5.0 GXI-E - Won't roll over

    It's 1/2 -13 sae. Shop I worked at a while back used an eye that threaded into the dipstick hole and used a mini hoist to aid in remove/install. Kinda made me nervy as those threads are known to fail at times. Never dropped one but still sketchy As far as the drive mount nut a 5/8" box end will...
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    4.3 mercruiser alpha 1

    Oil in the bellows is most likely gear lube from the drive. Guessing yoke seal failure. Drain and pressure test the drive to confirm. Safety wire is not installed correctly on the shift slide What is a pulley wheel?
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    New-style 6.2 SeaCore Closed Cooling Question . . .

    Iirc mercury has never used an anode in the oem heat exchangers, at least on recent vintage (past 20 years or so) I'm thinking their thought is the exchanger is full of raw water even when static so little chance of air/oxygen being present? Dunno, just speculation here Not a bad idea to...
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    8.7 Volts at the Coil

    Right. Purple/ignition lead from the module attaches to the coil, as such it is part of the entire ignition circuit. Not saying the module or its wiring is the issue but it is something to consider. OP says the module is grounded properly and I believe them. Also says there is corrosion at the...
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    8.7 Volts at the Coil

    Have seen this before with valve job reassemble/long block swap before Module struggles for solid ground through its casing when someone misses the ground wire connection upon reassembly
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    Crank Shaft Position sensor seating Indmar/Chevy Vortec 350

    Oem cps ought to seat proper in an oem timing cover. Has the timing cover ever been replaced?
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    8.7 Volts at the Coil

    No test, just make sure the ring terminal for the module ground is attached to a proper ground location. Common to see it attached to the module mounting stud at the elbow/riser or at the main ground stud at the flywheel cover or manifold for distributor mounted models
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    No spark then undid coil wires now weak spark

    Might need to lightly file the points otherwise could be condenser issue. Have seen faulty condensers out of the box
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    Volvo Penta 5.0 GXI-E - Won't roll over

    Agree with fun times. Need to pull the drive and perform a pressure test again I didn't notice in the initial look at the posted pic the drive is still attached to the bell housing Thinking the leak could be the yoke shaft seal or the u joint bearing snout o ring given the location of the...
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    4.3 MPI Runs rough after putting in gear

    When was the last full tune up?
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    Knocking sound - what is it? [video]

    Didn't see the second video initially. Agree with exhaust leak sound Will say if the engine is warm during the video it is running pretty rough, even for a 3.0 L
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    throttle question

    Sounds like the throttle cable is anchored in the wrong location at the remote
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    Water coming in through bilge pump

    Formula likes to keep the hull sides clean and free of through hulls. Even the galley and head sink drains route to a sump box that discharges under the swim step at the transom on bigger formulas Great idea for clean lines but bad idea for figuring things out. Once you know it's better but the...
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    Crank Shaft Position sensor seating Indmar/Chevy Vortec 350

    The reluctor wheel doesn't just come loose. It's held in place by the balancer The only way it can come unseated is if the balancer has moved on the crank Is there damage on the old sensor face?
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    8.7 Volts at the Coil

    Is the ignition module properly grounded?
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    Sea ray sundeck 240 won’t rev passed 2000rpm

    How old is the fuel?
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    Knocking sound - what is it? [video]

    I don't know if it's the video frame resolution or me but the power steering belt appears to be loose. And the pump itself seems to be moving?
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