Logo
FULL SITE MENU

Search results

  1. T

    Why is same boat 10moh faster?

    I have a 92 290 Sea Ray Sundancer with a 7.4 l 330hp mercruiser Bravo out drive. Starts and runs smooth. normal gear. Will run a little above 30mph at about 4000rpm. My neigbor on the dock has a 1993 Sea Ray Sundancer with same engine but a Bravo III outdrive. His is a little heavier as it...
  2. T

    Same boat 10 moh faster. Possible

    I have 1992 Sea Ray Sundancer with the 330hp 7.4 Bravo II or I (can't ever remember) around 600 hours. The boat is properly tuned and free of excessive weight. With 50 gallons of fuel at 4000 rmp I am able to do just a little north of 30mph with gps. The guy down the dock has a 1993 Sea Ray...
  3. T

    Oil Recomendations 7.4 l

    I am changing the oil in my 290 Sundancer Saturday. I remembered to get the filter number but forgot to get the oil requirements 10W/30....5W30....? and capasity it is a 1992
  4. T

    Loss of Power

    Recently I had an issue with water in the fuel. I changed the water separater cartridge at the front of the engine and put in 15 gallons of fresh fuel with treatment. The boat smoothed out and ran perfectly on the next run. It sat for a week and when I took it out again it seemed to be going...
  5. T

    Metal shavings removal 1993 7.4 L

    I have 7.4 liter mercruiser 1993 model. I had an issue with it eating the gear from the distributor ground two and the third seems to be fine. I changed the oil and filter after I replaced both times. Is there anything else I should do? Should I have engine pulled and pan cleaned? It is in...
  6. T

    74 L low power bad dist bushing time 2

    "Ok this is strange. Last spr "Ok this is strange. Last spring I was left dead in the water. The problem turned out to be the bushing on the distributor had worn to the point the the teeth had worn on one side of the gear and boat stopped getting fire. We took the shaft from an auto 454 and...
  7. T

    74 low power

    I have a 7.4 l merc that will I have a 7.4 l merc that will not get on plane. When I give it full throdel it will only go to about 3000 rpm and will not come on plane. It runs ok at 2000 but tries to backfire if I go any more than that. It also is idleing very low and it hard to manuver...
  8. T

    Operation Range 74 l

    I have 92 Sundancer 290 with a I have 92 Sundancer 290 with around 500 hours. The boat Will remain on plane at around 3200 rpm but just barely and runs about 19 mph. If I run it up to 3400 rpm it seems to lift more and will run about 25 rpm. Is 3400 a reasonable cruising rpm for this boat or...
Back
Top