boat has stock merc hp 500s, with ext boxes.28 bravos.
just got it, havent ran it yet, still waiting for delivery.

I just got a 37 gtx with 575sci's this boat ran 101 on gps in the ocean in cool weather and it will do 90 in all conditions. Hope this helps

thanks sweet ride, good luck.

Is that the burgundy boat from Cumberland? Few mods to the 575's and you should be in the 100's regardless of water condition.

yes it is I had it out in lake havasu last week with the guy's from absolut speed and marine and we had a blast but the props were too big for the 100 plus degree heat, 30" five blades and no inter-coolers

i still need an answer.

Just a guess, mid-high 80's.

Low-Mid 80s

I have a 1998 Stiletto. I have the original water test from the factory when it had 500s with Bravo drives. With 2 passengers and 70 gallons of fuel the test shows that the boat ran 83.5 MPH w/ 28" 4-blade props and 87 MPH when turning 30" props. Enjoy!

Our old 98 37' with 500's ran 86 on the test sheet.