I have a cougar cub 10' tunnel with a 25hp merc xd brown stripes dont know what year... and am looking for info on hooking up a tach and water pressure gauge, and where to get a low water pickup, or info on making something that would work...I just ordered a ron hill cleaver prop for the boat where should I start for height? The boat, its just for fun and messing around !! Any help would be great yes I am noob but am very able to do any work myself with some direction