[1bayouboy]

I think part of the equation has to be the bottom of the bracket in relation to the bottom of the boat and it's overall shape. If the Armstrong bracket angles up from where it attaches to the boat transom to the back of the bracket, I'd think that would let you raise the motors higher than on a bracket lik ethe Seamark where the bottom of the bracket is parallel with the boat's bottom all the way back....... [img]/forum/images/graemlins/tongue.gif[/img] In the fisrt case the water can follow the angle up the bottom of the bracket. A lot more of the lower is hanging below the botto of the bracket. On a bracket lik ethe seamark I think you'd have to treat the bracket bottom like the bottom of the boat as far as motor height and anti-vent plate are concerned.......

What's the shape of your bracket bottom in relation to the keel??