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  1. Alumarine

    Sterndrive Gear Oil - Alpha 1 Gen 1 3.0 140hp

    As far as I know, that drive calls for the High Performance gear oil, not Premium. If I can't get the High Performance for a good price I've been using Synthetic 75W90 for a number of years based on Bondo's recommendation.
  2. Alumarine

    Voltage between batteries and aluminum hull

    You won't feel power touching battery + and hull. Just like you won't if you touched the + and - terminals on the battery. It has to overcome the resistance in your skin. In theory it's possible, but unlikely.
  3. Alumarine

    Replacing head gasket in 3.0 mercruiser

    The Fel-Pro number is 17000 for the head gasket alone or 17200 for head gasket, rocker cover gasket and valve cover gasket.
  4. Alumarine

    Performance expectations for a smaller boat??

    A friend has a 16 ft Lund SSV utility boat. 3 bench seats, nothing else. boat=345 lbs, 2 guys=300 lbs, 15 lb anchor and 3 gallons of fuel. With a 25hp Honda we get 25 mph.
  5. Alumarine

    Mercruiser 888

    Summit ships to Canada. Depending on your distance to the border you could use a Parcel Pickup place in a US border town.
  6. Alumarine

    Gimbal bearing puller

    My bad, I measured between centers which isn't going to help you. I just measured between the studs on an old MR/R bell housing and it's 1.50 between the studs. I had the bell housing off when I pulled mine though.
  7. Alumarine

    Gimbal bearing puller

    Gasket looks to be 1-15/16" between centers. A bit of fine tuning with a grinder should make it work.
  8. Alumarine

    Gimbal bearing puller

    The claw pivots so you can insert it. https://www.summitracing.com/parts/wmr-w89326?seid=srese1&ppckw=pmax-tools&gclid=EAIaIQobChMIx-OztdjqiAMVUTcIBR0myiwAEAQYAiABEgLA-vD_BwE
  9. Alumarine

    Gimbal bearing puller

    I had to use 5/8" fine threaded rod.
  10. Alumarine

    Gimbal bearing puller

    Like Bondo I used an axle bearing puller with threaded rod as well. Harbour Freight has the pullers for $29.99.
  11. Alumarine

    Engine oil kit - first time

    If you take the cowl off there should be a label similar to this.
  12. Alumarine

    Installing power trim

    As Jimmbo said, they aren't compatible.
  13. Alumarine

    Installing power trim

    I believe your 50hp needs the pump that mounts in the boat and connects to the rams with 4 hoses. What's the serial numbers of the 2 motors?
  14. Alumarine

    Installing power trim

    Does the 1989 70hp have the power trim pump that is external to the motor with 4 hoses? If so, it should work on the 1982. You'll have to look at both motors and see if the mounting points for the rams are in the same place.
  15. Alumarine

    Exaust Flapper/Stopper Questions

    They just hang there. They will close if any backwash comes up the exhaust. They do not have to close tightly. 45586 is the part number
  16. Alumarine

    Mercruiser 3.0

    The positive lug is the one that has the positive cable from the battery going to it.
  17. Alumarine

    TZ Trim Tabs

    Are these electric or hydraulic?
  18. Alumarine

    1980 120hp

    if you google "sealed power marine catalog" you can find most of the parts you need. A lot of the parts were used in other GM motors.
  19. Alumarine

    Speedometer

    Yes.
  20. Alumarine

    Speedometer

    You can run very low air pressure to it. That won't tell you how well it works though.
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