G,day guys
im glen from Australia.
i have a alloy quintrex dart 3.9 mt tinny.
i had a 30 hp 2 cyl two stroke short shaft and have just traded it in a day ago for a new 40 hp 3 cylinder (3 carb) long shaft.
im purchasing a 4 blade merc new spit fire prop with a 15 pitch,brought some ngk 8 heat range irriuduam spark plugs.
i need to track down some 50 hp carbies i beleive to make my 40 hp into a 50 hp is that correct please ?
does any one have the part number for the 50 hp (3) carbs please ?
whats the bore diameter size for these please ?
so going from a 2cyl 30hp to a 40 hp,4 blade spit fire prop,irrduam plugs and 50 carbs,how much diffeence will i notice in power,speed and all round performance ?
what sort of speed will i get out of it ?
my boat says max motor 25 hp,seems that alot of guys have put 40 hp engines on 3.90 mt tinny before and been ok!!
hope to hear some replies soon.
cheers
glen