ibanez540r
Contributing Member
Would like some opinions. I have a 1990 Carver Allegra 3087 express cruiser. It's a large 30 footer being 34' LOA with an 11' beam. Mine is equipped with twin 7.4L crusaders with V-drives. Many are twin 7.4L mercruisers with bravo's. It is a fairly rare boat as Carver only made it for 89 & 90.
Anyway, every now and again I look through adds of these boats for sale and I've seen several times people advertise it as being a 45mph + boat with cruising speeds in the 30's (The I/O's). I also ran into a guy who use to have one (I/O) and he said he would hit 50 mph.
Do the V-drives really rob that much power? I cruise at 26-28mph at about 3400 rpm. I have pushed the boat WOT on glass water with the wind at my back and was barely able to get the GPS to click to 38mph, and the motors were screamin'.
Mine are getting a little low in the compression department (Port 130psi - ish and Starboard 125 ish) but I'm not convinced these numbers would be losing that much MPH.
And I'd say it's proped correctly as I am getting 42-4400 WOT.
Anyway, every now and again I look through adds of these boats for sale and I've seen several times people advertise it as being a 45mph + boat with cruising speeds in the 30's (The I/O's). I also ran into a guy who use to have one (I/O) and he said he would hit 50 mph.
Do the V-drives really rob that much power? I cruise at 26-28mph at about 3400 rpm. I have pushed the boat WOT on glass water with the wind at my back and was barely able to get the GPS to click to 38mph, and the motors were screamin'.
Mine are getting a little low in the compression department (Port 130psi - ish and Starboard 125 ish) but I'm not convinced these numbers would be losing that much MPH.
And I'd say it's proped correctly as I am getting 42-4400 WOT.