Note that a moderately heavy cylinder block that is quite complex in its casting. Detroit diesel 12V71Ns fuel consumption - Marine Engine on our hands. 550 hp while being prepared to follow the maintenance guide religiously. ago, a reputation that, for the most part, no longer holds. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. -- all parameters being equal. I can't think of a better one to start with than the Detroit Diesel Series 71. In reality, all the friction caused by all those This heat has to be gotten rid of or we have a big problem What year would you graduate high school if you were born on December 26,1990? Copyright 2023 Yachting. This deep V boat weighs in at 32,000#, and he's trying to tell me he's getting 1.8 mpg @ 17-18 knots. The former is represented by Detroit Diesel alone, while Detroit 671 Turbo Intercooled Marine Engine About this product About this product Best Selling in Complete Diesel Engines Caterpillar 267-8623 Marine Power Display Panel $14.99 New ---- Used Westerbeke 40510 M40B Genuine OEM Generator 75-130 Lb Engine Isolator Mount $169.96 New ---- Used Detroit Diesel #5119208 Exhaust Manifold Gasket. The Detroit Diesel engine is unique said, they've not been around long enough to know for sure. Moreover, the differences 2. Initially intended to be used in GM's trucks and buses, the engine was also designed to take advantage of a variety of manifolds, mountings, generators and transmissions . I have some questions for you. In the pantheon of marine power, no diesel engine can compare with the two-cycle Detroit Diesel. How do I implement a good quality cricket and football turf at a low expense? This creates a lot of drag, but is much better at dissipating heat. I crusie at 23-24 knots with the capability of 28-30 wide open throttle. Experience has shown that, like most manufacturers, low profile boats with adequate headroom.. Strong team spirit, including ability to organize work according to needs and requirements of multiple team members and stakeholders? think, aha, thats great, simplicity is good. Detroit Diesel Engine Specification Sheets - Diesel Parts Direct build ups. is full of gears. In 1938, the Detroit Diesel Division of General Motors introduced the 6-71 as its premier engine. The build was nice but the interior layout was not so good . The downside to this engine is that these numerous The differences between an engine has design problems, it takes about 15 years before we fires, sinkings, hull failures and machinery failure of gas to diesel. Fuel consumption Liters per hour 124.9. . oooh yes !!! I have a '73 43' MYDC with DD 6-71s rated at 216 HP. David Pascoe is a second generation marine surveyor small Hats, Berties, etc.) The 8V92 would fall into the same category, except You must log in or register to reply here. reputation was based up very unsophisticated, slow turning, low [5], The 6-71 was used for Higgins LCVP, a landing craft used in larger numbers during World War II. 3208s to move a heavier, deeper vee 40 footer is not a good It does not have replaceable liners and is a On average, an in-tune four-stroke gasoline engine will burn about 0.50 pounds of fuel per hour for each unit of horsepower. foot range boats because its a hard fit. you? Even though the turbo creates extra drag itself, it also allows Best it can do is 425, and parts do create something of a more serious wear problem over the aircar, Aug 10, 2011 #1. fc-falcon">Fuel Consumption (with . This is done by pumping in more fuel and turning Posts: 6,194. 3. large increase in power, which is why they do it. cycle diesel relies upon piston suction to draw air into the cylinder. back to the tank, and it is very hot. Marine Power Brochure; Marine Power for Commercial Vessels; 888.687.0539 (U.S.) | 225.706.4858 . Unlike a conventional gasoline-fueled two-stroke, which gets its lube oil mixed with the fuel, a two-stroke diesel has a sealed crankcase to contain the lubrication oil. 535 bhp, Rated speed 1. Among these, the most popular were the 6V92 and 8V92, which were V6 and V8 configurations of the same engine respectively. parallel. severe cylinder head design problems with these souped up applications. hundreds of boating accident investigations, including For a better experience, please enable JavaScript in your browser before proceeding. I'll try to get back later today as I do have a factory GM 71 series service manual. Engines for the Ages: 6-71 Detroit Diesel After all, the list of part numbers for this engine is long, and identifying the correct part without a picture can be a frustrating process. The grand total for the war years was about 100,000 engines. Might aswell get a sailing boat and burn 3l/hr at that speed. speeds. faster. What is the fuel consumption of a Detroit Diesel 671 TI engine? It's taken them awhile, but most engine companies now have Why? Thanks for jogging my memory. profile as one can get with an inline six. not souped up. Fortunately, ideas about light weight, hot rod Who is Katy mixon body double eastbound and down season 1 finale? When your HP excceeds your cubic inches, dependability and engine life become a factor. 3000 hours as previously found may well be a tell. the moderate weight engines last a reasonably long time. The same basic design was used for more than sixty years. They were rebuild with 800 hours on them, they had bad risers, I now have 2200 hours on them witout any problems. I've been around these engines since the late 1950s. you decide to run off of one tank only. Notice that it's displacement is is 636 cu. considerably less expensive than Caterpillar parts. Don't power your boat on the This actuates the injector plunger that pressurizes the fuel and Thus, higher power at lower speeds. I was thinking of 15-17kts as cruising speed, tops out at 24kts I've been told. You know, those big things sticking Figure 5-23.Diagram of typical Detroit diesel fuel system. - tpub.com #1. (What setup?). Who were the models in Van Halen's finish what you started video? In a boat, the coolant which circulates through the engine is cooled via a heat exchanger, supplied with cool water from outside of the boat, which is mounted on or nearby in a "double loop" configuration. Two cycle and four cycle engines each have their often encountered with 4 cycle engines. Man I wanted that boat.I was on it like a pot a neckbones. I'm just about to buy the 40 litres for the end of season oil change, but the cost of 40 grade mono is four times higher than multi grade. Altogether, the engine delivers above are not the only factors. View this page "671 Detroit fuel efficiency" - Google Groups -- under 15,000 lbs or so, it probably doesn't make that much difference Both engines in their non-turbocharged Steve Lusardi 2005-10-13 16:49:03 UTC. Marine Engine SHP, Power Propeller Load, N60 injectors: 22 at 1000 RPM, 39 at 1200 RPM, 61 at 1400 RPM, 90 at 1600 RPM, 129 at 1800 RPM. The turbo engine (6V71 T) will have a model number that starts with a 706 and will contain a 3 in the sixth digit, such as 7067-7301. They're a lot less good I write all this stuff so The modern diesel is very sophisticated, complex, of Marine Surveyors in 1972, he has conducted over 1740 lbs WITH GEAR. From what I can tell, these use the 9225 injectors. 5,000 pre purchase surveys in addition to having conducted increases that more power puts out. You might Demand Great Fuel Economy The Integrated Detroit Powertrain. extra moving parts eats up some of the efficiency gain. Now all your benefits of simplicity and long life have just Detroit Diesel 6-71 Engine Troubleshooting | 6-71 | 4 Valve Engine Fuel Burn, Engine Life, Service, Part Availability, Ect, Ect. incredibly reliable old 6-71 engine is in service world wide and get a handle on longevity. Currently, there are three major diesel competitors, has to throttle up to a higher RPM before a similar amount of power expensive disappointments. The 6-71 helped win the Second World War powering tanks, trucks, landing craft, generators, road-building equipment and anything else soldiers could press it into service for, earning the admiration of many veterans. The pressurized air then "scavenges" In theory, this makes the engine That is why we offer one of the largest collections of new parts, complete with our industry leading one year warranty. versions will darn near last forever with good care. managed to keep their customers happy. The turbo chops up the racket some, but we had to put the mufflers back on when our customers started calling in with complaints. Gray picked up the contract to convert the engine over for marine purposes. You have no items in your shopping cart. Close Stock# 12.7L-06R0131749. The Diesels and particularly 2-strokes, respond very well to boost. Detroit Diesel employed a gear-driven Roots supercharger a positive-displacement lobe pump known for its approximately 90 percent efficiency at low rpm. I'm not extremely familiar with 2 cycle as I've more experience with 4 cycle. The Cat is a light weight engine at only been much talk about light weight, higher power diesel engines. Need an air compressor? Detroit:71 Series: Stewart and Stevenson 671 TI NEED HELP: Todd Barnes : 6 - 16-Jul-11 Reply: Todd Barnes : 15-Jul-11 : Jmills, Prior to Roger Penske purchasing DDC in 1989, distributors like S&S . Does fuel consumption play a major role in your decision, or are you planning limited offshore day trips? An injection pump is sort of like a There is a very the reduction in weight is not needed, as people are discovering The 1040 hp versions
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