I’m pretty sure the engines are both prevortex, the fuel pumps different although both electric. I intend on staying with the mercury system. The mercury boat was of an older vintage 1977 but like most boats had their engine swapped many times. It was for this reason I purchased the boat as, the...
I have a situation where I thought my Volvo 5.7 natural carbureted and salt water cooled has seized during the winter! I then bought another boat that had a 5.7 fuel injected and fresh water cooled merc. Both are pre vortex. I have two options: flip everything from the second boat including...