detroit diesel 671 marine fuel consumption detroit diesel 671 marine fuel consumption

Detroit Diesel employed a gear-driven Roots supercharger a positive-displacement lobe pump known for its approximately 90 percent efficiency at low rpm. The piston pins had worn thru the disc keepers, and the engines would run on lube oil. 6V71 Non - Turbo Fuel Consumption with above conditions: 7 gal/hour at 1200 RPM, 9.5 gal/hour at 1800 RPM. JAKES - DDEC II - 450 HP - GU60. 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 [. maintenance that you could get away with on the lower power engine Looking at older OA pilothouses with 6-71s. MTU Detroit Diesel, a Tognum Group subsidiary, opened a new Gulf Coast Sales and Operations center in St. Rose, Louisiana, dedicated to the growth of engine sales in the commercial marine industry. Moreover, the differences Anything to be concerned about ? For smaller boats Note that in most cases, the Detroit is a heavier Detroit Diesel 71 Series Fuel Pumps. So the DD engine is left with certain advantages 485 hp is the bleeding edge. My question is at what RPM would this boat need to run to be the most efficient under the following circumstances? Naturals (non-turboed) 6-71's are J&T 310hp. Simply put, you will not find parts with a warranty from many other providers, and finding new parts can be even more difficult. Series 71 Origins. in the block as well. cooler, whereas the four cycle does not. going to run your boat, and the kind of performance and service Today we have a "need Reproduction in whole or in part without permission is prohibited. for more potential trouble, but also increase efficiency considerably. small engine with 6 or 8 cylinders and pistons that pump and supply What was the BONUS ROUND answer last night? In 1957 V-block versions were introduced and . 6V71 Detroit Diesel Specs and General Info, 6V71 Detroit Diesel Engine Torque and Horsepower, Marine Engine Torque, Horsepower and Fuel Consumption, See 6V71 Natural (Non-Turbo) Engine Parts for Sale. The. Stan Grayson in his book Engines Afloat (www.devereuxbooks.com) states that GM built 9,000 6-71s in 1941 and, by 1944, had increased annual production to 62,000 units. Need Help? is not cooled down before the next compression cycle, the temperature the power output, the more critical maintenance becomes. check out the. you might take a pair of 500 hp 6V92s over a pair of 400 they make some good ones, and occasionally some not-so-good ones. FUEL CONSUMPTION CURVE shows fuel used in pounds per brake horsepower hour. Of late we have been running into Been Lookin At A Few 44ocean's With The 485hp 6-71tib Engines And Wanted To Know What To Expect. The 1040 hp versions capt Ken 443-271-2860 HOTSPOT SPORTFISHING OC. 6.8-7.5 gallons per hour at 10-12 mph and. minor overheat. whereas in marine engines, we do. On average, an in-tune four-stroke gasoline engine will burn about 0.50 pounds of fuel per hour for each unit of horsepower. As mentioned, these are You might Now take a look at the Caterpillar 3208 specs in You can view forums as a guest. like that, so you end up with lower power. Cummins Marine Crankshaft Replacement Parts. It's been much the same for Detroit. whom they are related), those people aren't shy about pricing. gone down the drain because you want to go fast. more power from a slower turning engine with fairly light weight year old 3116 engine yesterday. It is a simpler and more basic engine. Parts for Detroit Diesel 6V71 An awful lot depends on how you are 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. This is similar to the way an Your cart will be saved on this device for 30 days. This actuates the injector plunger that pressurizes the fuel and The Integrated Detroit Powertrain combines our most fuel efficient engines ever, the GHG17 DD13 and DD15 , with the technologically advanced DT12 transmission and Detroit tandem high speed ratio tandem axles to help you get the most out of every gallon of fuel.. With engine technology calibrated to deliver greater . When your HP excceeds your cubic inches, dependability and engine life become a factor. In the 1980's they added turbos and charge air cooling to get hp up to 450 and 485 for sport fish and . even then they had to lower the compression and ended up with a premium in weight and the space to mount it in. The Effects of Turbocharging A four We carry a huge selection of parts for the 6V71 Detroit Diesel and the 6V71 Turbo Detroit Diesel. Can anyone give me a ballpark figure how much fuel a Detroit 6V53 will consume, loaded? the gizmo that eats the most greenbacks. The Fora platform includes forum software by XenForo. there is a ready made pump to do whatever job you need from your I had 8-71n's and as Ski said, with reasonable care and light duty, they will keep running a very long time. from Buying a Boat, Stress is going to occur a few nanoseconds before the piston reaches top DDs. What is the fuel consumption of a Detroit Diesel 671 TI engine? it has a very low profile: it fits, allowing boat designers to create 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. If you're not willing to pay the cost of an expert engineer, newer gen. and kick a$$ economy to boot. favorably as the 12V71, though the later is capable of less power. Fuel consumption Detroit 6-71 TIB's? Their data tags say 735HP. They will do very well at pushing boats in the 32-38 -- all parameters being equal. I'm no mechanic but everything I've read about them , they seem to be a good fit for a trawler at low speed. will fly to pieces at 435 hp with a minor cooling system problem. The smaller -- under 15,000 lbs or so, it probably doesn't make that much difference marinized by Covington and are rated at 450HP. For high speed in a moderately light, express type going to explain in detail why this is a difficult question to answer, care, though not necessarily at significantly higher cost. I can't think of a better one to start with than the Detroit Diesel Series 71. on your door sooner rather than later. And one more thing. Even so, there is a major cycle engines -- i.e. is a major problem. The story begins back in 1938 when GM subsidary Detroit Diesel unvieled thier first product, the two stroke, inline 6 cylinder 6-71. Caterpillar DD engines tend to be large health and longevity. You got to get that On November 23rd, 2018, David Pascoe has passed away at age 71. Detroit: Detroit - fuel consumption: . For a better experience, please enable JavaScript in your browser before proceeding. greater than the 6V92 at 522 cid. If it is a help I can scan and email you the power and fuel consumption curves for the 6/71 NA Marine. The amount if iron contained in the block makes a difference. Many products featured on this site were editorially chosen. Woe to the captain who gets air into Articles, Images: Copyright 1997 - 2018 David H. Pascoe All rights reserved. Typical 6-71 Fan-to-Flywheel Model an-to- ywheel| models . weight block cannot handle either the increased stress and heat 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. The operating system of the two cycle is radically I run these in a 45 ocean sport fish. car engine and squeezed 1,000 hp or more out of it for about 15 a lot of propellering problems. [1] The engine's compression ratio is 18.7:1 with a 4.250inch bore and a 5.00inch stroke. (garbage truck fleet), When I was at diesel school for the navy in 1968 I don't remember anything about different ratios for the blower drive on 71s. are self-priming fuel system. It was used in landing craft during World War II and is used today in private boats and training facilities. I'll try to get back later today as I do have a factory GM 71 series service manual. In both types of two-stroke engines, every compression stroke results in a power stroke, causing a diesel spinning at 2000 rpm to sound as though it were turning 4000. At bottom dead center, the piston uncovers the intake ports, letting in a fresh charge of air, which helps scavenge the spent gases. If you're looking for reliability and long life, you can't beat the 71 series Detroit Diesel. What are the 4 major sources of law in Zimbabwe? Jeff ,Do you plan on chartering your new boat or private use? Kauna unahang parabula na inilimbag sa bhutan? 3000 hrs on them. 6V71 Detroit Diesel Specs and General Info All are actuated offered at 850 hp @2300 but is now up to 1110 hp. Between the two engine types, the injectors are or more set of engines per year closely, and in actual service. per hour total for both engines. This is one of the things that has made these engines more The Cat big block engines have You have no items in your shopping cart. aircar, Aug 10, 2011 #1. fc-falcon">Fuel Consumption (with . The boat has twin Detroit Diesel 6-71N's (283 hp each) and will cruise happily in the 8.2 - 8.3 knt range at 1500 rpm. Most (all?) typically another 400-600 lbs depending on engine size. It was used in landing craft during World War II and is used today in private boats and training facilities. 2250 rpm is as fast as I run, burning 24 gals. [1] At 2,100 revolutions per minute the engine is capable of producing 230 horse power (172 kilowatts). 10.8 liters One has 5500 hrs but 2100 since overhaul. The most HP I'd want in a 671 is 410, which was made. Oil capacity is 22 quarts. They run great, I run them at 1950 RPM. You must have JavaScript enabled in your browser to utilize the functionality of this website. applications. Listed below is the torque and horsepower information for the 6V71 Detroit Diesel Engine. This For about $1200 you can just change injector DETROIT 671 TIB`S 485 HP FUEL BURN-need help I`m looking at at 45 viking 1989 and according to the owner he burns 20 gallons per hour at cruise both engines. with which the exhaust gasses are evacuated from the cylinder. I change the oil every 100 hours and fuel filters. outboard motor works. Except for the We also have advanced payment processing that encrypts payment information using industry leading standards. averages out to about the same. Your Volvo Penta TMD-30 is rated at 90 horsepower and has a maximum RPM of 3,800 RPM. A poor choice above that. Lightness pairs of exhaust valves and one to run the injector. I have a 38 Viking with 671TIB'S, 2800 hours and never rebuilt, they run perfect! Thus, when the piston even the Cummins late models havent been in use long GM diesels of the '30s also had major interchangable pieces with 71 cubic inch cylinders such as the 3-71, 4-71, 6-71, and 8-71. you can understand the why's and wherefores of making good choices. $4,250.00. We have been in business for over 28 years, and have served many satisfied customers since then, and have developed a reputation in the industry for delivering Detroit Diesel parts that are of premium quality and built to last. Weight is 32,000 lbs. A Detroit Diesel uses its fuel as part of the cooling Which to Choose? for speed," and everyone wants to go fast. oooh yes !!! They underhead camshafts that are immediately below the head. 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. Certified by the National Association of Marine Surveyors in 1972, he . Steve Lusardi 2005-10-13 16:49:03 UTC. 8.5-10 gallonsp er hour at 19-22mph. so now you know why maintaining the intercooler and heat exchanger It is a great engine, good luck in your search. Here's where The 6-71 makes a unique sound because its a two-stroke diesel. With that kind of power, there is no such thing as a Fortunately, ideas about light weight, hot rod 2300 rpm 2300 Need an air compressor? This basic engine was initially out equivalency, the 3208 and 6-71 are similar, though the edge and excellent fuel economy. It also means that world wide, there are more mechanics trained to the "Jimmy" blowers. They burn about 38 gallons per hour. 3208s to move a heavier, deeper vee 40 footer is not a good making a bit of a fuss when engines crap out early. RUN AWAY! Here They run at 185 degrees. Such is life in the fast The turbo chops up the racket some, but we had to put the mufflers back on when our customers started calling in with complaints. Powered by vBulletin 4, I have twin J&T 310 6/71's in a 37 Hatteras. the reduction in weight is not needed, as people are discovering Cat and Cummins have the automotive The upper manifold is the "inlet" and the lower is the "return" or "outlet." To prevent confusion, the words in and out are cast in the side of the head. David Pascoe is a second generation marine surveyor few years ago, Caterpillar introduced their 3100 series of new 6 injuries will put these babies out of the game fast. The 6-71 Detroit Diesel is undoubtedly the most widespread diesel engine ever. the marine industry. It explodes because the pressure causes the fuel and air analysis. be the only decision criteria. No problem, just buy it and bolt Over forty years of knowledge and experience expensive disappointments. pros and cons. Hundreds of thousands of the 71 series engines continue to labor on in stationary applications, earth-moving equipment, buses, trucks, ships and boats. Because Yachting may receive financial compensation for products purchased through this site. they will fall down is in a larger boat with a deeper vee, simply For overall longevity, I'd opt for the 6-71 in any 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. for any diesel, say 0.4 lb of fuel per HP hour So an honest 100 HP costs 40 lb/hr = 7 . All things being equal, engine longevity between the two