True seadrive install questions

[Kracker Jack]

I notice alot of guys on here calling alot of different brackets on here "Seadrive bracket" the picture belowe is what i consider a true seadrive bracket. I have the one pictured with the 135 hp on it that i want to install on my v20 cc. what are the plus and minuses on this setup. Im reading alot of stuff about weight distribution and floation. thanks in advanced