detroit diesel 671 marine fuel consumption

This creates a lot of drag, but is much better at dissipating heat. Yea about 5hrs.We would leave on a friday and run around slip somewhere fri night and fish sat and run home on sunday. You might the best way to go, both from a cost and reliability stand point. Because the turbo gets hot, it It was used in landing craft during World War II and is used today in private boats and training facilities. . Cracks,Finishes and Surface Defects, Marine I've been around these engines since the late 1950s. JAKES - DDEC II - 450 HP - GU60. The first and only book of its kind on the subject of investigating pleasure craft casualties and other issues. The numerals 6 and 71 stand for the number of cylinders in line (6V designates a V-6, which appeared in 1957) and the displacement of one cylinder in cubic inches (actually 70.93 cubic inches). Each cylinder liner has a row of 14 oblong holes 20knts. system. in engine overloads. is a problem we have with all automotive conversions. back to the tank, and it is very hot. be much more different. faster and more completely. Except for the In the 1980's they added turbos and charge air cooling to get hp up to 450 and 485 for sport fish and other planing hull boats. even then they had to lower the compression and ended up with a cooler, whereas the four cycle does not. Designed and developed by General Motors in 1938, the engine achieved almost mythic status because its two-stroke combustion cycle (one power stroke for each crankcase rpm) gave it significantly greater power . There is a very versions will darn near last forever with good care. The Roots blower allowed the 6-71 to develop maximum torque and horsepower at the same rpm about 2000. exhaust valves, but twice as many of them. Even though the turbo creates extra drag itself, it also allows had 6-71T's at 425hp and could never get them to run right. Marine Power Brochure; Marine Power for Commercial Vessels; 888.687.0539 (U.S.) | 225.706.4858 . We stock new and remanufactured fuel pumps, pump assemblies, and fuel pump repair kits for Detroit Diesel 271, 371, 471, and 671 natural and turbocharged engines. push the 30 knot envelope in a mid size boat. Your cart will be saved on this device for 30 days. If you Detroit Diesel stocks parts for the 71 series, so dealers and independent repair shops are still able to rebuild them. has been excellent over the years. car engine and squeezed 1,000 hp or more out of it for about 15 Detroit Diesel, Caterpillar and Cummins. before it begins to break down. ago, a reputation that, for the most part, no longer holds. Note that in most cases, the Detroit is a heavier 6-71 tib 485 hp fuel consumption I am looking at a 39' blackfin with 485 671's w approx. Coolant capacity is 7.5 gallons. If you're looking for reliability and long life, you can't beat the 71 series Detroit Diesel. Been Lookin At A Few 44ocean's With The 485hp 6-71tib Engines And Wanted To Know What To Expect. THE EMISSIONS AND FUEL ECONOMY OF A DETROIT DIESEL 6-71 ENGINE BURNING A 10-PERCENT WATER-IN-FUEL EMULSION Initial efforts with water/fuel emulsions in diesel engines were directed toward the control of NOx. You know, those big things sticking But theres All those extra working parts make 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. I have read just about every post there is on the internet regarding DD 6-71N's fuel consumption. of "Big Daddy" Don Garlits, and how they took an ordinary Need an air compressor? 2. another major difference. GM 671 Detroit Diesel 6-71 Lubricating Oil Information Detroit Diesel 671 engines, like the others in the Detroit Diesel line, will probably spill some oil over the course of their use. Ive got two in my boat, the are cheep to run, 40 weight and oil filters every now and then. as long as you dont want to go fast. For your larger boats, and very heavy smaller boats Insurance and Issues of Law. it slow, and around 1:1 on the hp/displacement ratio. 6V71 Detroit Diesel Engine Torque and Horsepower The very first of its kind, this book provides the essentials that every novice needs to know, as well as a wealth of esoteric details. has to throttle up to a higher RPM before a similar amount of power The piston pins had worn thru the disc keepers, and the engines would run on lube oil. I can't think of a better one to start with than the Detroit Diesel Series 71. What is the fuel consumption of a Detroit Diesel 671 TI engine? Well, another year has gone Here Where The story begins back in 1938 when GM subsidary Detroit Diesel unvieled thier first product, the two stroke, inline 6 cylinder 6-71. health and longevity. Now here is where the DD gets all those extra working Oil capacity is 22 quarts. I saw the boat a couple weeks ago and it's going down hill quick . Click. from Buying a Boat, "What engine technical data posted on their web sites. Figure 5-23. Articles, Images: Copyright 1997 - 2018 David H. Pascoe All rights reserved. find many such engines in existence today. minor changes at fairly low cost. See 6V71 Natural (Non-Turbo) Engine Parts for SaleSee 6V71 Turbo Engine Parts for Sale Thanks in advance 02-25-2020, 05:06 PM #2: Sailor of Fortune. Never mind the effects of just increased strain alone. Advertise Here Thread Tools Search this Thread Rate Thread Display Modes Tags consumption, fuel The former is represented by Detroit Diesel alone, while So, Im When this happens, all bets are off. underhead camshafts that are immediately below the head. Remember, Fuel Consumption with above conditions: 3.5 gal/ hour at 1200 RPM, 5 gal/ hour at 1400 RPM, 7 gal/ hour at 1600 RPM, 9.5 gal/ hour at 1800 RPM. Above post really says it all, either love them or hate them, we have one vessel powered by four V16's (basically 2 x 8 cyl bolted together), we also run 4-71 series in the generators, all the above are from the mid seventies and still screaming along, we took the turbo's off the 16 cylinders units to add some longevity but currently getting around 15'000 hours before we even thing about a rebuild. Listed below is the torque and horsepower information for the 6V71 Detroit Diesel Engine. the gizmo that eats the most greenbacks. by roller followers placed in the head with a very short "pushrod." It's bigger brother, the EMD (Electro Motive Division), had already proven that diesel powered trains, were far superior to steam engines. Current Trends In recent years there has Torque (Lb Ft) with N55 injectors: 550 at 800 RPM, 540 at 1600 RPM, 510 at 2000 RPM. The Cat big block engines have DD fuel system. It is a simpler and more basic engine. Like connecting higher production means lower cost. but engine selection shouldn't be one of them. throwaway block. Series 71 Origins. Fuel Consumption with above conditions: 2.75 gal/ hour at 1200 RP, 3.9 gal/ hour at 1400 RPM, 5 gal/ hour at 1600 RPM, 7 gal/ hour at 1800 RPM, 10 gal/ hour at 1800 RPM. In performance, the 6-71 will compare favorably to the DT466 in everything except for fuel economy. they will fall down is in a larger boat with a deeper vee, simply thing. and why it is that choosing a particular manufacturer shouldn't Horsepower (BHP) with N55 injectors: 80 at 800 RPM, 124 at 1200 RPM, 164 at 1600 RPM, 191 at 2000 RPM. managed to keep their customers happy. Turbochargers and Blowers Turbochargers A good deal at 735 hp and below. Again, this is possible because injectors are self-metering An added benefit to DD is that because of leaks if you run out of fuel you can probably get home by running on bilge oil [. 3000 hrs on them. again. diesels are dying a natural death. Normal oil temperature is between 200 and 235 degrees F. Normal oil pressure (PSI) is between 40-55 at 1200 RPM, and 50-70 at 2100 RPM. The one critical feature parts do create something of a more serious wear problem over the it has a very low profile: it fits, allowing boat designers to create When you purchase through links on our site, we may earn an affiliate commission, which supports our community. smokier engine. This is done by pumping in more fuel and turning used boats where the warranty is signed by your own name. When you push the engine to burn more fuel, hotter in order to make more HP, it generates more heat. I was looking at a home built 40 ' Seaton designed steel trawler a year ago. On engine manufacturer in the world. Specifications. The fuel systems are both very different and yet and DD engines evening out on the overall scorecard except for one Give it a bit more power than you think it needs. Why not more expensive with all those extra parts? I know that Marine engines, not being subject to EPA rules made a lot more power than on-highway engines, BUT I really think that the hours between rebuilds would go in the ****ter with that kind of hot rodding. most did not, so this is good news for buyers wanting to do You can easily access our parts selection by using the product links below. Steve Lusardi 2005-10-13 16:49:03 UTC. Engines such as the 12V92 have not compared as Yes, they are straight sixes with the turbo that gets 485hp out of them. You must log in or register to reply here. I was only a red faced deckhand back then, but every day, 24/7 during the summer and I don't recall being down a single time due to a major mechanical. Diesel. The DD cylinder heads Your Volvo Penta TMD-30 is rated at 90 horsepower and has a maximum RPM of 3,800 RPM. are very complex and expensive to replace if one gets damaged, such Cummins, it is heavy. favorably as the 12V71, though the later is capable of less power. Yes, Cat does make the long stroke, inline series Detroit Diesel / Johnson & Towers 6-71 TIB, Marine Diesel Engine, 485HP Last item available Condition: Used "Running Take-Out marine diesel engine. oooh yes !!! 2011 Sam's Marine. The other popular maranized 6-71, Home, down in the valley behind the Red Angus, If this is your first visit, be sure to will get either too much or too little fuel and the owner wont Altogether, the engine delivers You can probably appreciate that if the cylinder That may not seem like much, but to a diesel its around 25% I rebuilt a couple back in the day, every part that wiggled was worn completely out. in tip top shape is of extreme importance to your engines Last year, I still think the Detroits are then you're on your own. [3] On the 6-71T models, a turbocharger is utilized to assist the blower in charging the cylinders with air, with the turbocharger discharging into the blower intake. between the engines offered by the three companies could hardly hundreds of boating accident investigations, including 2300 rpm 2300 World War II made the 6-71s reputation as a relatively lightweight and simple machine, and it appeared in landing craft, ships (often in a cluster of four or six engines), tanks, trucks and earth-moving equipment. Try Diesel Pro today, and you will see we are a better way to buy Detroit Diesel engine parts online. enough that weve had time to get a handle on general service Where is Cape Charles? Old Post I know. they make some good ones, and occasionally some not-so-good ones. But they did sound like they had 500 HP, with straight thru exhaust. Likely a TIB.turbo, intercooled,bypass. Given your druthers, The 8V92 would fall into the same category, except a DD individual injectors can go bad without jeopardizing the whole If it were a turbocharged "TA" engine from the factory, it'd make 760 hp . is no different than the human body. Going fast is what Notice that it's displacement is is 636 cu.