Recent content by jbf8728

Re: Repower 1988 25 ft. Grady trophy pro twin 180 hp. mercru Hello Jumpnjacks. Thats some pretty good performance with the bravo drive. especially the gph. with my alpha gen 2 i burn 13 gph at 3400 rpms at about 20-21 kts. my prop is a 15x15.5 turning up 4600 rpms. I guess the outdrive makes...

Re: Repower 1988 25 ft. Grady trophy pro twin 180 hp. mercru My 254 with the 300hp 350 Mercruiser/Bravo II seems to cruise best for me at around 3200-3400 rpm. Speed at this power setting is usually around 22-24 mph with an average fuel burn of around 6 gph. My boat weighs in at about 5500#...