2007 Ranger 620vs prop question

[eyecatchin]

Is anyone running a 2007 620vs full windshield with a 250xs with a 19 tempest? If so what type of gps speed are you getting and what rpms are you running. The altitude where I live is around 2100 ft and wondering what prop I should be using for best speed and handling.

[rangerpig250]

I have same boat and motor. Had the tempest, but traded it on a Rev4 to handle Erie better. Best speed was 59 and I think the RPm's were around 5500-5600, but not absolutely positive. Im now running 55-56mph at 5300-5400