Mercury spitfire x7

Joined
Oct 27, 2015
Location
New york
Boat
Triton 17 pro
#1
Does anyone have real word experience with this prop. I am running a laser 2 on a Triton 17 pro with a 115 optimax pro x's. Getting 50 gps with full tank and wife and kid. Hole shot is just .ok.. Low 50's alone. Literature is claiming all the benefits of 4 blade PLUS more top end. Is this true?