18sf bracket.
 

Bracket is almost ready for shipping. Heard alot of people say that the seacrafts like the motor on the high side. My question is. Manufacturer says to put top line 25inches from keel. Would it be beneficial to cheat it up an inch or possibly 2. I'm using 25in shaft. The extra inch or 2 would help with trim tab room and engine tilt against transom with 20in setback. Wats ur thoughts guys?

http://www.classicseacraft.com/commu...ht=DonV&page=2

See post #13. I know it's not an 18'er and I'm not sure of the transom angle difference. However this is what works on the 23'er with a 27" deep bracket.

If it is a floatation style bracket mount it low as possible and use the outboard holes for adjustment up or a small jack plate. You will want to get the most floatation out of the bracket you can on an 18. If it is just a standard style bracket that dose not have a large flotation chamber on it then going up an inch or two will make sure you don't run out of adjustment when you start to raise and adjust the outboard...

valid point thank you and im opted for 36in wide flotation chamber to give a little extra. there factory was 24.

with only 20" of setback, your engine will be lower in the water than a more normal 30" setback, but I would set it as low as you can to still allow trim tabs. your engine will likely be up to the center holes if you follow the manufacturers recommendation, so you should have some downward adjustment on the motor mounting.