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  1. K

    1997 PCM PLD 5.8L parts

    Is your Ford engine left or right rotation? Straight or “V” drive? Post a picture of the distributor with the cap removed. The ignition points and condenser ,rotor and cap are easily matched up at any NAPA store. 351 Ford parts are easily also found at any NAPA store. OMC, Volvo and...
  2. K

    Universal control cable

    Those look like Morse 3300 series. Show a picture of the end that was not cut.
  3. K

    1981 stringer drive leak

    As suggested the drive has to come apart. Most likely the seals above the water pump is the source of the leak. You need to get a Genuine OMC service manual for this model. This thing can be a real can of worms.
  4. K

    Corrison hole in gimbal housing?

    Any good welding shop can mig weld a patch over the hole. The most important surface is where the drive shaft boot attaches to the gimbal housing. If water ever sat in there long enough and the area where the boot seats is eroded away then it should be replaced.
  5. K

    carburetor options.... mine is toast.

    Get some muradic acid and put some in the plunger cylinder. Let it foam then wash it out with water. With a small pin punch tap the ball a few times. Repeat the process a few times and the ball should loosen up and also with a pointed scribe try scraping around the ball. I have used acid...
  6. K

    Corrison hole in gimbal housing?

    If the hole is in the 1-2 o’clock area or possibly on the opposite area it is an electrolysis problem. I have in the past had the area repaired at a welding shop if the rest of the housing was still in good condition. This hole being high in the housing usually never leaks into the boat.
  7. K

    1993 Mercruiser 7.4 - Is my Problem Carb or Thunderbolt IV module

    If you can use the boat before sending the carburetor to get rebuilt try this. With the flame arrestor removed have someone watch the secondary air valve when the engine starts surging. The vacuum unit that holds the valve closed may have a internal leak allowing the valve to raise the...
  8. K

    Building A Mercruiser 350 Few Questions.

    The 2 sizes that I remember were 7/16 “ 20 or 1/2” 20
  9. K

    Won’t idle 3.0 Mercruiser

    Worse than the exhaust you most probably melted the water pocket cover in the lower area of the upper drive shaft housing. If that happened then you will be losing water pressure to the thermostat housing, which will cause an over heating problem.
  10. K

    Won’t idle 3.0 Mercruiser

    There is a good chance that the head gasket is blown out. Do a compression test. That will tell where the problem is. You also need to find the rest of the missing impeller blades.
  11. K

    Building A Mercruiser 350 Few Questions.

    One other option is the remote oil drain kit. It has a hose that will go out of the bilge drain. The fitting has 2 female 1/4 pipe threads that screws into the pan drain. The one side not used can be the dipstick side. I used to make up the tube with 3/8” steel tubing and just form it where...
  12. K

    1970 181 to a 1978 181 different engine harness?

    If you want to keep it simple then swap the wire harness and alternator from the original engine to the later one. If the drive shaft from the later drive is the same length then it will bolt right on. If there were no shifting problems with the older drive and the lower shift cable is free and...
  13. K

    Gimbal swapping

    2Xs with SD. That AQ will out last the Merc stuff. Volvo got it right from the beginning. Is the transom still solid on your Bayliner? They have a tendency to “soften up“over time.
  14. K

    VP 280 Bellhousing Confusion

    Do as SD said, also the broken bolt can be removed at a machine shop. In the past I was able to remove a broken bolt like yours with an acetelyne torch and vise grips. Some machine shops can also weld up any bad areas. The bearings and seals in the housing are common and can be purchased at any...
  15. K

    1970 181 to a 1978 181 different engine harness?

    Do want to install the 78 model, or is the original 70 model transom plate in good condition?
  16. K

    Building A Mercruiser 350 Few Questions.

    Cliff’s Quadrajet rebuilding service and there are others that can restore the carburetor and jet it for the 350. You can buy an Edelbrock from Summit or Jegs also. The main thing is that it is a Marine carburetor.
  17. K

    VP 280 Bellhousing Confusion

    Try to post some pictures when the engine is out.
  18. K

    VP 280 Bellhousing Confusion

    Why do you think you need a replacement? The short white housing in the picture is rebuildable. It was made so that just about any engine ever built could be adapted to a Volvo using a SAE style flywheel housing.
  19. K

    Houseboat steering cable

    That looks like a Det Mar or a Marmac rotary which I am sure is long out of production. I would look into the Optimus electric steering instead of hydraulic. It is not cheap but easier to install.
  20. K

    Building A Mercruiser 350 Few Questions.

    You need to check the flywheel bolt pattern between the original and the 73 model engine. You may need another flywheel and a new drive coupler. Quite often a hard freeze would catch the local boat owners off guard, resulting in a lot of broken blocks and manifolds. I did the 305 to 350 swap...
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