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  1. M

    1986 SunRunner “The Big shark” My first boat

    If I was doing a lot of cruising I would go with a 10-15 to 40--45 weight oil . Motors are under a constant load pushing that around and a heavier oil will perform better under the circumstances in your case. That's what I use in a few similar set ups , 305s -350s and 454s all get Castrol 40/45...
  2. M

    Radar Dome Install Trophy 2052 Hardtop

    How are your handrails installed ? As in is there a exposed nut on the underside of the hardtop ? If so fasten the dome the same way , my guess is that it's hollow as the 3 hardtops I have are all hollow , Boston Whaler , Luhr's and Rampage [ as are Tiara's ] . Running angle is helpful but I...
  3. M

    Buying a boat

    A single engine straight inboard is not the boat for a first timer who wants to enjoy the lake . Cons far outweigh the Pros in this case . Starting with launching , having to be extra careful of depth because of the running gear and how it was designed vs a I/O or Outboard. Then you have...
  4. M

    Fuel tank dimensions

    Well since your going to have to remove the sending unit I would start there , and check the ground wire on the tank as that may be your issue. I know your boat is wrapped and in storage but if you want the correct one that's the way to go. The odds of someone on here having your boat model and...
  5. M

    Boat slow after cleaning

    In this case blaming the detailer is like blaming the Auto repair shop for your check engine light coming on and the car is running rough after you picked it up from having new tires put on.
  6. M

    Replacing Trim Tab Actuators

    Why not unscrew the 2 piece cylinder and replace the two O rings ?
  7. M

    [Q] History on "Commander" boats made in British Columbia?

    A qualified surveyor will answer your hull concerns. As noted ,the engines have a lousy history. Google orsearch the Mercruiser engine section on this site. If the price was right on the hull I would consider dropping a couple 4.3s in it , providing there is enough room for them. Second choice...
  8. M

    What should I do with this free boat?

    Give it back .
  9. M

    Boat slow after cleaning

    Impossible for the foam.to be saturated from cleaning the inside of the boat . Takes a long time for closed cell floatation to " absorb " water ,not going to happen overnight.
  10. M

    Ski Brendella is it worth it?

    You will have a very limited base to sell it to , skiers and maybe wakeboarders if ballast bags can be added. Boat was built and designed for one thing , skiing . It has no deadrise and will hammer you in any sort of chop over 1' . I would run it as is and put as little money into it as...
  11. M

    Moisture meters & used boats

    Meter does not read frozen water. You can put it on a piece of ice and it won't show any moisture.
  12. M

    Moisture meters & used boats

    Hammer 🔨 and if necessary a drill will tell you more than a meter in the hands of someone that has never used one . Bottom paint , how long it's been out of water and a few other variables will affect your readings. www.yachtsurvey.com. has a write up on them. Punch in Moisture Meter in...
  13. M

    Boat slow after cleaning

    No.unless the last coat was Rhino Liner.
  14. M

    Boat identification 1975 or 1976 cobia

    Throw the 3.7 out and drop in the 4.3
  15. M

    Compression test 180 and 160

    As noted ,gauge is inaccurate. Reading should be no more than about 155 from the numbers I got when I googled the mercruiser 4.3
  16. M

    Lowe Legacy taking on water !

    Take it back to dealer.
  17. M

    91 ranger Comanche NEED HELP

    Look for soft spots on your " floor " . Put motor down ,stand on it and bounce it to see if transom flexes . There interpretation of not using wood may be different than yours or mine. Floor is made out of wood I bet vs a nonskid glass liner.
  18. M

    91 ranger Comanche NEED HELP

    Have you Google your make and model ?
  19. M

    Live well

    Your kidding me ... The check valves are made of bronze , located in the boat and are operated a few times a season. Every inboard boat built in the last 50 years has them. Marine growth is not a factor , corrosion from not being used is., and that means the check valve is stuck in whatever...
  20. M

    Live well

    That's too bad. Everyone of my through hulls ( Boston Whaler and Luhrs ,grand total of 18 check valves on the two boats ) that are below or at the waterline has one. Drain scuppers should be at least 2-3" above waterline and have nothing to do with a live well intake. OP was concerned about...
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