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  1. Scott06

    Just a final check on outdrive choice

    Normally the ratios were 5.7 - 1.47 drive 5.0-1.62 drive 4.3- 1.81 drive 3.0- 1.98 drive unless you are at high altitude or have a small engine in a large boat I think you would want the 1.47 or 1.62 at the steepest. 1.81 you will over rev. These ratios allow you to use the typical prop...
  2. Scott06

    Help a new guy out . Pcv valve

    That's a nice solution vs buying a flame arrestor ...
  3. Scott06

    I need help wiring my mercruiser 470

    Replace and set with a dwell meter.... My favorite how do points work video And setting the points
  4. Scott06

    Help a new guy out . Pcv valve

    Boats dont use PCV valves there will be a tube from an elbow on the valve cover(s) that goes to a point on the flame arrestor, so basically any crankcase gas gets pulled into the carb. Flame arrestor should look like this vents to valve covers connect to the barbs- what does yours look like...
  5. Scott06

    Fuel Capacity

    That should be ok . My 17 ft had a 18 or 20 gal tank, my 21 has a 37 gal tank.
  6. Scott06

    Rubbing compound for heavy oxidation

    this 3M kit has the three compounds you need...
  7. Scott06

    Adding 100+hp. Would you re-prop ?

    one comment about the bowtie intake as I assume that is what you are looking to go with? Seeing it is raw water if the manifold is aluminum you will likely have corrosion issues. Marine intakes have brass lined water passages or are cast iron. Couldn't tell from photo if you are cast iron or Al...
  8. Scott06

    2003 Ebbtide Mercruiser 3.0 engine rattle? Normal?

    You have no spark then . Diagnosis the igntion system
  9. Scott06

    Transporting a 20' boat on a flatbed.

    That is the same set up I have on my magic tilt for my 21 ft Sea ray except I have carpeted bunks up front. See no reason as long as size and spacing is reasonably ok that that wont work for what you are doing.
  10. Scott06

    Will OMC Engine/Drive Match Mercruiser- Plug & Play?

    Floor is the last thing to rot from the bottom up... Ok so the boat is together they are keeping a nice motor and drive because they know the boat is roached...best to move on
  11. Scott06

    Adding 100+hp. Would you re-prop ?

    I would say yes you will likely either need to go up in pitch or down in gear ratio as you are already nipping the rev limiter... But try what you have and evaluate after install. I think the delco est which is relatively drop in does not have a rev limiter just be aware that the drive may...
  12. Scott06

    Will OMC Engine/Drive Match Mercruiser- Plug & Play?

    No offense but this sounds like a bit of turd polishing... and could be a lot of work with no result for you. As Scott outlines likely removed it and stopped doing work because transom is rotten... which can be fixed but its a lot of work. If it had a Merc alpha or bravo drive the keyhole is...
  13. Scott06

    2003 Ebbtide Mercruiser 3.0 engine rattle? Normal?

    Not sure what A to B means here is a video showing primary and secondary ohm values
  14. Scott06

    2003 Ebbtide Mercruiser 3.0 engine rattle? Normal?

    The one on the left is not the right power valve, there is no poppet sticking up. You need to notch a crew driver to remove the power valves with out screwing it up. There is a video at Mikes carburetor parts that shows this. Be careful if your now beat up power valve is hanging up it will...
  15. Scott06

    Push rod cover gasket replacement and distributor

    There is your oil leak.
  16. Scott06

    Oil pump

    You certainly can take the distributor out and prime it. I would just run it on the starter to get oil to the rockers and then run it before putting it in to the boat. Its pretty easy to run on the ground and check everything out before you drop it in.
  17. Scott06

    Drive lube dropping?

    After refill my alpha drive always drops level in lube bottle after first run. I top it off and then don't loose any more the rest of the season. As others have advised keep a bottle in the boat and watch the level, if it keeps dropping would take it back to person who did drive work.
  18. Scott06

    Boat won't move

    So engine would rev up freely as if in neutral or engine was under load and couldn't make the rpms happen? If revs up freely coupler, prop hub, upper gears in outdrive gone or broken vertical drive shaft. All of these except prop hub would cause an over heat as impeller in drive won't turn...
  19. Scott06

    Oil pump

    Distributor rotates clockwise when viewed from above so oil pump needs to turn same way https://www.mcmaster.com/pins/toggle-lock-clevis-pins-with-handle/ Is this a rebuild or just been sitting? another way to do this with out pulling the distributor is to pull the plugs and run it on the...
  20. Scott06

    4.3 volvo penta flywheel problems

    First thought would be a balance issue from mix and match parts as Scott outlines. Did you use the whole truck engine or pull the crank and swap that into the VP engine? Are the blocks the same casting number? The loctite will take time to fully cure especially if outside in colder weather...
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