have a 1970 tide craft dad bought new he passed on. now mine .son wants.we are now doing stringer,s transom.adding to front deck,new seating outboard is,1970 115 hp johnson it,s100% new with some power mod,s 13/19 prop . problem is no tilt/trim .so talk to me someone must know about aftermarket t/t jackplate also set back /prop hight