I have a3.0later Merseyside IO. 1987. It will run for about 40 minutes then it dies and.won't restart. Just before it dies it starts missing . Compression hot and cold is in the 120s in all 4. Since this stared happening I have replaced the head, added a fuel water separator , and rebuilt the...
I need some advice on a 1984 Mercruiser 470. I pulled this boat out of a barn. It hasn't ran since 2005. I was told the heat exchanger was cracked. It appeared there wasn't any antifreeze in it because I could not see any in the reservoir when I took off the cap. I pulled the riser off and found...