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  1. M

    Bilge Blower Vent Duct

    Aluminum does not conduct electricity , it does not have enough tensile strength to be used in this situation. Think of the diameter of the steel that's in there and if that was aluminum it would just bend and never return to form , unlike the steel. I think the description might mean that it is...
  2. M

    Bilge Blower Vent Duct

    It would have steel in it , not aluminum , same as the real stuff that is sold on this site. Do not know if it is impervious to bilge buildup as in oil residue or if your insurance carrier would accept that product if something happened . Sometimes 3" is not 3" especially in the boating world ...
  3. M

    25 hp on. 1975 StarCraft Holiday 16 ft

    First off , if Mom is telling you to upgrade , best not to argue the point. The general rule of thumb , from what I have read , is to be at least within 80% of the max rated HP. It's going to be a dog with a 40 on it , forget about pulling anything other than a fishing line . I would suggest...
  4. M

    Inboard Bent Strut And Cant Get Shaft Coupling Off

    Luhrs used Dahmer for there struts / rudders according to my paperwork. General Propeller sells all the underwater running gear as well , they may have your model on record.
  5. M

    Inboard Bent Strut And Cant Get Shaft Coupling Off

    Ok , I also replaced the bearings as well. Went all nylon vs bronze tube with nylon insert. Used a puller designed for installing / pulling cutlass bearing with shaft in place. It still took a couple hours with two guys and a Impact gun to get them.to budge off. But it came off that way , don't...
  6. M

    Inboard Bent Strut And Cant Get Shaft Coupling Off

    To answer your question, you can either put a spacer / 1 " socket between the two couplers and then get longer bolts. Now put the bolts in the coupler holes and start tightening the couplers together. The prop shaft will walk out with this method. Might need some different length spacers to get...
  7. M

    FUTURE of TWIN Gas / diesel engines in boat , who can afford fill ups

    Exactly, winter ,summer storage on a 30' will run you around 4,000 + - depending on location , insurance another 1,000. Annual upkeep 1,500 and this applies to sailboats as well. Now if you went through 600 gallons it's going to cost you 6 -900 more with street prices in the 3.50 - 3.75 range...
  8. M

    What is my boat worth

    4.500 Covid pricing , otherwise 3,000 , if everything works.
  9. M

    what is make and model?

    More questions than answers. What's your goal ? Speed , reliability, cruising , pulling skiers , trolling , etc. Are you thinking 2 stroke vs heavier 4 stroke ,which will affect what you can hang as well. I can envision something like a classic Tower on it ( but not in the reliability class...
  10. M

    Boat going in reverse instead of forward

    He clearly stated inboard, not I/O. I have a Mercruiser inboard that is reverse rotating. Also have one boat/engine that the transmission turns opposite of the other ,both engines rotate the same way in that setup. Yes ,you are correct about I/Os.
  11. M

    '84 Aquasport osprey 19.5' - Good boat?

    If your " not in the market " , then.consider saving up while your deciding and purchase something at least built after 2000 .
  12. M

    '84 Aquasport osprey 19.5' - Good boat?

    Where in the world did you get that ( not unsinkable ) info from ? Yes , most Whalers closed cells break down over time , mostly the outside part that is in contact with the fiberglass bottom. Even a 1985 - 17' saturated with 150- 200lbs of water can be cut in half and will still float ...
  13. M

    Marina Bay Shore depot - SCAM???

    Interested in the boat ? Look at it in person before any money transaction , pretty cut and dried , just verify Title info.
  14. M

    '84 Aquasport osprey 19.5' - Good boat?

    No it is not self bailing. I have never heard of a production built power boat that was self bailing . Auto 12 volt bilge pump ,cockpit and topside decks above waterline with overboard drains, yes . Unless boat was always covered there's a excellent chance it's got some wood rot in her.
  15. M

    Survey pricing and location

    500 to 700. (Pre Covid ) Generally 20.00 per foot ,price varies with locations. They usually do not a complete inspection with the engines Will look at hoses ,oils leaks belts and when on a water test will listen for anything unusual. No compression test or hook up to a scanner.
  16. M

    Water problem / trim tabs Q

    Switch might be for trimming your outdrive, have you verified that function ? Tabs down helps keep bow down which helps boat get on plane quicker . At cruising speed the tabs should be even with the hulls bottom.
  17. M

    Water problem / trim tabs Q

    Water pressure eventually ( as you go faster )pushes the tabs up., usually even with the transom . Main purpose is to keep bow down while getting on plane . The trim switch I would guess is for trimming your outdrive, need more info.
  18. M

    92 188 Spyder ?

    Here we go again ! Lets not confuse the OP and stay on point . He has two issues , loading up at idle and his prop in relation to max rated RPMs. This calls for a complete tune up with new , plugs, wires, cap , rotor AND not a quick look at them with a, " there good " lets throw em back on. Next...
  19. M

    92 188 Spyder ?

    ^^^ This has nothing to do with your set up ,period. You ,we , have no idea what boat he has in comparison to yours, so the prop and everything else you can throw out the window. In order for you to gain RPMs you have to go down in pitch. So your looking at a 17" prop or possibly 18 ,if you...
  20. M

    92 188 Spyder ?

    Your RPMs are in the MFGs recommended range , so I would stick with that prop. Odds are your carb is gummed up and letting to much fuel in while your trolling around. Or possibly the choke is hanging up . I can troll with a 454 all day long at 650 rpms and never have a issue with fouled plugs ...
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