magnum 27 sport
 

Hi there,
Got a 1970 sport 27 magnum with blown 454 and bravo one 1.5:1 drive. anyone can tell me about magnum 27 with single bbc? here I have forged crank, pistons, rods, hydr roller cams, aluminium heads (merlin) 250 blower shop with holley 850 cfm marine carb, GIL dry exhaust. motor supposed to spin @5400rpm> Need a clue about how much HP I Have, What speed expected and whith which X dimension... Can anyomne help?.B.R.

I bet it is close to 600.

My 27 Magnum was in the mid 80's with a similar set up. You will need to spin a 26 or 28 B1

Any pics? They are cool boats

Sorry not yet.. boat in the harbor

i have a 25 magnum sport that im putting together a blown 502 mag for with a bravo 3 or i also have a bravo 1 for. does anyone know anything about this set up for a 25? i know 27's and 25's are kinda different appearence wise, but how about hull design and ride? any input on what anyone thinks would be helpful. sorry to jump to another topic on your thread but it kinda relates to your.