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  1. jimmbo

    Mercury Mark 30 - What is Torque required for flywheel?

    Welcome to iboats 65ft lbs http://www.fiberglassics.com/library/images/b/bc/Mercuryservice004.pdf
  2. jimmbo

    1989 4.3 LX Quadrajet Rebuild

    Float setting varies depending which Float is used, and there are several Dozen different Floats. That info should have been in the Carb Kit. I will assume you are using a Kit from Mercury. As for the Power Piston Spring. Mercury does have a Power Piston Kit, which shows the Piston, Spring and...
  3. jimmbo

    Battery operated small room A/C units , WORK ?

    All that does is add Humidity to already highly Humid Air. Running Ice Water thru a Radiator, that has a Fan blowing Air thru it would be better, and doesn't add Humidity. I can handle 35-36 degree air, if it is very dry, but 20 degrees and Humid, is far more Uncomfortable, as my sweat can't...
  4. jimmbo

    1972 Johnson 65 selectric lower swap

    Complicated: Electronic yes. Electric no
  5. jimmbo

    My motor was running after pulling out of water

    I doubt the Engine suffered any Damage, there is slight risk to the Rubber MJ couplers downstream of the Exhaust Risers, but I doubt it. The Water Pump Impeller could be a different story, but without any new water coming in to it, it can't push the Water upstream of it, and that water likely...
  6. jimmbo

    1972 Johnson 65 selectric lower swap

    You've done many, maybe several hundred. I bet the first time you took one apart you read and reread the Manual
  7. jimmbo

    1972 Johnson 65 selectric lower swap

    You will have to tear the unit apart to inspect the Pump. Those Hydro Electrics are usually very Reliable, shift very fast, resulting in Minimal Wear on the Clutch Dog, and Gears. Of course if they suffer from Low Oil Pressure, that changes it
  8. jimmbo

    How to decarb an outboard?

    It is the Bearings where water gets trapped, and in some cases never gets out, leading to damage to the Crankshaft. But hey, if someone wants to be stupid and spray water into a 2 stroke, there is no law against it
  9. jimmbo

    1972 Johnson 65 selectric lower swap

    If your 65hp is a Long Shaft, there is no way a Lower Unit with a Short Shaft is going function on it. The 5 inch Difference is in the Midsection/Exhaust Housing. The only difference with the Lower Unit, is the Length of the Driveshaft. With a bit of work, you can swap in the Longer Driveshaft...
  10. jimmbo

    How to decarb an outboard?

    Spraying Water into the Crankcase where it can get into Bearings and ruin an Engine is just plain Asinine. As for Rain, High Humidity is far Different than spraying water in.
  11. jimmbo

    Camshaft specs. needed, modification feasible?

    A different Grind will affect the Torque Curve of an Engine. What is good for making HP for a Car/Truck, is far from what a Boat requires. I know some People here swear by "RV and/or Truck" Grinds, I swear at them, the Grinds, not the people. Rump pa rump Cam Grinds loved in Cars/Trucks will...
  12. jimmbo

    throttle body discontinued

    Give me a Carb any day over EFI, so much easier to understand and troubleshoot, unlike Voodoo Electronics
  13. jimmbo

    very cool carb and intake manifold causing moisture

    It was also there to prevent Carb Icing. That was even mentioned in the Ford Service Manuals
  14. jimmbo

    very cool carb and intake manifold causing moisture

    I mentioned that in the latter Half of the 1st Sentence
  15. jimmbo

    Tower of power missing lever for gas bowl

    Mercury Marine has online Parts Catalogs. Have the Serial # handy
  16. jimmbo

    very cool carb and intake manifold causing moisture

    That is what Industry and other Businesses have wanted, Higher Learning is to be restricted to the Offspring of the current Elite
  17. jimmbo

    very cool carb and intake manifold causing moisture

    Water separates and hangs out at the Bottom of the Gas Tank, waiting to plug up filters. It really doesn't mix very well with gas, even those with 10% Ethanol My Grandfather was convinced that there was Water in the Gasoline, because Water, a Product of the Combustion of Hydrocarbons, was...
  18. jimmbo

    very cool carb and intake manifold causing moisture

    Several Intakes were designed to bring the Exhaust Gas in the Intake Riser, right up to the Bottom of the Throttle Body on the Carb, to get enough Heat to melt any Ice to prevent Icing and engine Stall. Ford started Preheating the Air going into the Carb, in the Late 50s to reduce Icing. I...
  19. jimmbo

    Skiing behind Scarab Jet Boat

    It's a big boat, and being heavy, it needs a lot of power to move, and it makes a pretty big Wake. Hopefully the Water discharged, doesn't hit you when being towed
  20. jimmbo

    1980 115HP Tower of Power hydraulic steering

    There was a Change to the Yoke in 1984, and that might be an Attachment/Mounting location
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