I have a 3.0 litre I4 Merc, I was told that the spark plug gap was changed from .035 to .045 in a Merc bulletin I also read a thread in here that said .030. This is a 1984 conventional ignition could someone tell me what the correct gap should be?
The replacement numbers on my block are AC43RTS would that sound correct? I tried to have the Merc part numbers cross referenced all over the place and they couldn't do any on it. So I went with the AC Delco's?
