I have the 1989 5.8 omc . Are the pcv valves different in marine use or are they the same as an automobile. Allso, on the 5.8 I have a carb spacer on the bottom of the carb. It has a nipple that sticks out of the back ,one of the pcv hoes is suposed to go into this and the other is suposed to go into the flame arestor correct. If it does does it matter switch one goes where. Thanks!