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  1. S

    prop size/speed

    I have a 95 crestliner sportfish 1950 with a 4.3 GL volvo sx drive 190hp. When i first got the boat it had a 15x17 prop. WOT was 3900 rpm. It got on plane terrible with 3 people in the boat. Max speed was 38 mph. I switched to a 15x15 turning point aluminum prop it comes out of the water great...
  2. S

    HP rating

    Does anyone know the horsepower of a 1995 4.3 gl vortec, it is in a Crestliner 1950 sportfish W/volvo penta sx drive.
  3. S

    correct prop

    I have a 97 crestliner 19.5 ft sportfish with a 4.3 GL vortec volvo penta with an sx drive.I can get max of 4100 rpms and its really hard to get on plane. Just got the boat , I dont know what HP is. It currantly has a 3 blade aluminum that is 15x17. Does anyone know what rpms I should hit and...
  4. S

    Correct prop

    I have a 97 crestliner 19.5 ft sportfish with a 4.3 GL vortec volvo penta with an sx drive.I can get max of 4100 rpms and its really hard to get on plane. Just got the boat , I dont know what HP is. It currantly has a 3 blade aluminum that is 15x17. Does anyone know what rpms I should hit and...
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