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7.4L MAG MPI Horizon Gas Engines / Starboard rebuilt with previous owner in 2015 1998 Sea Ray 370 Aft Cabin I was out on the ocean yesterday at about 3,000 rpms and heard a loud bang on the starboard engine followed by ticking. I shut down the engine and went into the engine compartment and saw...

My 1998 Sea Ray 370 Aft Cabin has three AC units with the raw water plumbed through the fitting as shown below. Has anyone ever tried replacing theirs to get better flow? This design seems inefficient and, although I am not an engineer, it seems to me that any time you have water reversing...

Has anyone here replaced their stock Mercuy arrestor on their 7.4L with this K&N version? It looks like it would hit the heat exchanger and need some reworking. http://www.knfilters.com/search/product.aspx?prod=59-4542

I bought a 1998 Sea Ray 370 AC with 7.4L MPI MIE Horizons in August and the engine surveys checked out. During the sea trial the boat performed fine. The boat sat at the slip for a month while I upgraded the GPS systems, plumbing and some interior mechanical systems. When I finally took the...

I purchased two Fox Marine Engine Gateways for my 1998 Sear Ray 370 AC. My original plan was to use a Noland Analog converter and Garmin GFS10 fuel senders but after reading another post here I decided to go with Fox Marine since it was plug and play. By not using the GFS 10 I give up a direct...

I am in the process of buying a 1998 Sea Ray 370 AC and it does not have the aft deck bench and table option. I know there are differences between the years, bench sizes and bolster mounting but I could make pretty much anything work as long as I have the original trapezoid fiberglass seat base...