Search results

  1. T

    Vacuum Gauge Connection

    There are threaded bosses. Could one of these be used for the vacuum gauge provided that the correct "adaptor" was screwed into the threaded boss?
  2. T

    Vacuum Gauge Connection

    There are two adjustments on the front of the carb, located near the base. Turning them definitely changes the idle.
  3. T

    Vacuum Gauge Connection

    I think it is more accurate then finding the "sweet spot" by ear.
  4. T

    Vacuum Gauge Connection

    I have a refurbished Mercruiser 357 Alpha 4v. I want to tune the carbs using a vacuum gauge. There is no place on the base of the carburetor that I can find to connect the gauge. Do I need to take out one of the plugs in the manifold and connect the gauge there? I would think that if that is the...
  5. T

    Mystery Part - Help!

    Thanks. There are no threads inside. I am not sure what "plastic cover" you are referring to? I did have the outdrive off recently, so a bell housing part is a good possibility. I can check the schematics.
  6. T

    Mystery Part - Help!

    Thanks for the reply. I checked the engine cover... there was no place for that part.
  7. T

    Mystery Part - Help!

    I have a SE106 Alpha outdrive. The motor is a mercruiser 357 Alpha 4v. A mechanic that worked on my boat left a part in the boat. I do not know where the part goes or what it is for. The mechanic claims he did not leave any part in the boat. The mechanic put in a water pump kit, a new lower unit...
  8. T

    Engine Accelerates/Decelerates on its own

    The engine is a Mercruiser 357 Alpha 4v. While running, the engine will start to speed up. If I back off on the throttle, it will speed up again after maybe a minute. This continues. After trolling for a couple of hours, the engine will do the opposite. If I am running at 18 mph, soon I will be...
Top