Interesting read. One of the downfalls of the V92's is the large amount of heat they generate in over the road vehicles and the rear mount radiators used by Newell until the Series 60. In marine applications, you have a tremendous volume (the lake or ocean) of water available to cool the engine. The radiator gives you 20 gallons of cooling capacity through a radiator that can easily become covered with oil and grim being blown through by the fan. Cooling is the horsepower limiting factor on coaches. Put a 700 hp v92 in a Newell and you will cook the engine on the first long hill as there is just not an adequate amount of cooling available. Power = heat. More power, more heat.
Secondly, the engine on a coach is very easy to lug whereas not so much on a boat (although you certainly don't want to idle around all day every day in a v92 powered boat unless you like engine damage.
Keep the radiator clean and rodded out, don't lug the engine, change out the radiator and heater hoses on an old coach, watch your temperature gauge, take care of any leaking gaskets so it doesn't drip oil and you should have a great engine in a great coach.
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