I was just wondering what everyones top MPH is in their Glastron? I purchased my 01 GX 185 Glastron late in the season and have yet to get a top speed out of her. It's a 4.3 Mercruiser setup, swinging a 23p prop. My buddy has an 05 GX 185 4.3 Volvo Penta with a 23p 4 blade ss prop and gets 52...