1. Trying to increase holeshot/pulling power
2. not sure about prop manufacturer, but it is currently a 14.5 x 19 3 blade aluminum prop
3. WOT with me and a passenger = a litle under 5000, top speed about 45ish (speedo).
4. 5.7 Mercruiser (2bbl carb), alpha 1, 1997(but replaced a few years...