Thats exactly what I'm looking for; 1700 rpm and 8 knots. My goal is somewhere around 3 gallons per hour. So I gather that these engines dont have liners, so that tells me that when they are rebuilt the cylinders are bored out. Here is the blurb from Gold Coast Power
"This CATERPILLAR 3208N Marine Engine is REBUILT by CAT Dealer.and is Bob-tail Rated 210 HP. Unit is heat-exchanger cooled, with water cooled manifold(s) with raw water pump and related piping, starter, and alternator. CAT Dealer Re-build Engines Include; All cylinder blocks are striped to bare block and sent through machine shop, All blocks are bored and sleeved to standard, and Reassembled to CAT spec. Using all CAT parts by CAT Dealer and carry rebuilding dealer's 6 month CAT parts warranty. New main and rod bearings installed, all new rings, pistons inspected and replaced as necessary. CAT Re-Man cylinder heads and nozzles, heat exchangers and after coolers are disassembled cleaned, resealed and reassembled, fresh and raw water pumps rebuilt, turbo chargers inspected and cartridge, bearings or seals replaced as necessary, new hoses clamps and belts, starter and alternator inspected and repaired as necessary. Cleaned painted (CAT Yellow or Matterhorn white) All are test run prior shipment (Subject to core availability) (Add inbound freight from CAT to our warehouse) Subject to Core availability"