Hey guys, how do I Set the hight of my engine on the jack plate on my boat, its a 1990 stratos with a 150. Were do I need to start. The engine is sitting very low right now. When I tilt it up it does not take long for it to hit the cowl on the back of the boat. I've been told when I get it set right it should throw a good rooster tail running down the lake is this true.