Detroit Diesels in 1981 GB
I honestly don't know how common it is/was to have Detroit Diesels (453s) and just assumed it was one of their standards during that time (1981.1982). Other than the rebuild (spun the main bearing in the starboard engine), They have been good basic work horses. I went ahead and rebuilt the port engine at the same time and both had around 3600 hours on them. I get about 3.5 gph with Generator on alot of the time. Cruises at 8 mph at around 1550 to 1650 RPMs.