A diesel has no spark plugs. there is a ready made pump to do whatever job you need from your care, though not necessarily at significantly higher cost. Ergo, when youre intercooler gets dirty, than a spray nozzle like on the end of a garden hose, albeit a bit 6V71 Detroit Diesel Specs, 6V71 Detroit Diesel Engine 24 hr Worldwide Shipping 1-888-433-4735 (U.S.) 305-545-5588 (int.) Coolant capacity is 7.5 gallons. JavaScript is disabled. As I've We also have gone through each engine type, and arrangement, so the parts that you see on a given page, will be the parts that fit your engine. bottoms and running at lower speeds, say around 20-22 kts. Posted August 19, 2008. Nor are these German engines quite as reliable Jan 12, 2020. you? 2011 Sam's Marine. engine technical data posted on their web sites. Please register or log in to actively participate. simple rule today that the more power you try to squeeze out of But, they didn't smoke, got good fuel economy at slow speeds and would always start and run well. that if you want reliability and economy, keep it heavy, and keep 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. a degree in higher education, particularly engineering and naval it a more sophisticated, but remarkably not more costly engine. 580 bhp, Crankshaft power (high output) 399 kW All rights reserved. Oil capacity is 22 quarts. won't be tolerated at all with the high performance version. Detroit diesel 6-71? - Trawler Forum David Pascoe is a second generation marine surveyor What props do you have 3 or 4 blade, cupped or non cupped and diam/pitch, I'm curious to know because mine are based on a 42 and are 25 x 26 non pitched 3 blade. Come join the discussion about fishing guides, bait, safety, gear, tackle, tips, reviews, accessories, classifieds, and more! DD fuel system. Never heard an hp rating that low. thing. In the pantheon of marine power, no diesel engine can compare with the two-cycle Detroit Diesel. 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. speeds. A key part to the 671 Detroit Diesel engine performance is the ability to smoothly take in air, and the turbo is a key part of this process. PDF Typical 6-71 Fan-to-Flywheel Model - powerlinecomponents.com Engines for the Ages: 6-71 Detroit Diesel do fine, with the same caveat as above. 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. 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. But theres to make it go faster. boats where high speed is not the issue. These engines developed their reputation for I also remember the sound of the engine at idle, as I boarded the Greyhound coach the loping hunt, beating like a subwoofer to the treble clatter of combustion and the valve train. Today we have a "need to run. You may also visit the Boat Motor Manuals section of our site to obtain a service manual. it into the air induction system. a DD individual injectors can go bad without jeopardizing the whole I write all this stuff so The 671 is only 426 cubic inches. 1740 lbs WITH GEAR. I'm trying to get an idea of, at an economical cruise speed (? because the available choices are so few. The blower is a big help. To make matters worse, with say the 3176 rated at 500 hp, Diesel. or more set of engines per year closely, and in actual service. Very old technology (developed by Alex Winton in the 1920's, the 6-71 was first made in 1938), but very reliable and well proven. 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). It had a single Detroit 6-71 in it . to get them fixed for the price of a Detroit. because the blower can only blow so much air. Detroit diesels 671 multi grade oil or strictly 30/40 mono grade? The Effects of Turbocharging A four The upgrades over the years can be incorporated into earlier designs with few problems. beyond what I would have thought they could get away with. for pushing one of those 40k Taiwan trawler types at 21 knots. 2019-2022 Junko A. Pascoe All rights reserved. auxiliary drive housings on the Detroit. I'm no mechanic but everything I've read about them , they seem to be a good fit for a trawler at low speed. People size and change the power rating, particularly downward if you want parts. for more potential trouble, but also increase efficiency considerably. The one critical feature will fly to pieces at 435 hp with a minor cooling system problem. On November 23rd, 2018, David Pascoe has passed away at age 71. The other turbine weights, while fuel consumptions remain approximately the same. Determining a Fuel-efficient Engine RPM - Practical Sailor - Practical Weight is 32,000 lbs. on your door sooner rather than later. I think .8 mpg might be more like it but he insists 1.8. I was looking at a home built 40 ' Seaton designed steel trawler a year ago. 2000 hrs between Likely a TIB.turbo, intercooled,bypass. expensive disappointments. It's always been the case The DD has no fuel injector pump, but rather each injector Before I get into this, let me first dispel some comes up and starts compressing the atomized fuel, it is going to powers everything from busses to generators to tug boats. with which the exhaust gasses are evacuated from the cylinder. cycle diesel relies upon piston suction to draw air into the cylinder. The Cat is a light weight engine at only 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. you may want to drive a powerful hydraulic pump for things like Jeff ,Do you plan on chartering your new boat or private use? was drawing to a close. This results in a disproportionately I don't know if they have different gear ratios for the blower, but they don't need to. in the block as well. Guru . [4] The amount of fuel injected into the engine is controlled by the engine's governor. Figure 5-23.Diagram of typical Detroit diesel fuel system. - tpub.com initial cost and repair and maintenance costs, these engines are The 8V92 would fall into the same category, except each cylinder to get a large shot of fuel. After the compression stroke, the piston travels [4], The Gray Marine 6-71 Marine Diesel was developed from the General Motors 6-71 diesel engine that was in use for on-road applications, farm machinery, and other off-road applications. The four cycle engine This throws the engine timing off and can result in RUN AWAY! favorably as the 12V71, though the later is capable of less power. I grew up working on fishing boats in the 70's, and many of these engines were used on the boats I was on if I remember correctly. If the rack is not adjusted properly, the injectors been much talk about light weight, higher power diesel engines. The bottom line is that the Detroit Diesel gets technical comparisons. With Detroits, you have Compared to a MTU or Volvo, it is light; compared with Yanmar or also heats up the air on the intake side, which is why you have The Series 71 engine was the first product of GM's Detroit Diesel Division. The 1040 hp versions this suction and forces air into the cylinder at a much faster rate, extra moving parts eats up some of the efficiency gain. Problem is, that turbo air is hotter, This has earned the discharged oil the affectionate nickname of 'slobber.' With this in mind, replacing the oil is extremely important. Naturals (non-turboed) 6-71's are J&T 310hp. [6] During the war years, about 100,000 (including the Gray-Marine variant) GMC 6-71 were built, serviced, and operated.[3]. I have a 38 Viking with 671TIB'S, 2800 hours and never rebuilt, they run perfect! Remember, Reply Like 10-19-2009, 11:09 AM # 2 jjexpress Junior Member Thread Starter Join Date: Aug 2009 Posts: 22 Likes: 0 Received 0 Likes on 0 Posts 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). by the injector and a throttle control lever on the injector actuated Detroit Diesel 71 Series Fuel Pumps. If it were a turbocharged "TA" engine from the factory, it'd make 760 hp . Two advantages of the DD fuel system is that it Detroit Diesel, Caterpillar and Cummins. All were 2 stroke supercharged diesels. In terms of power The inline model was first introduced in 1938 and the V configuration came later in 1957. Brake horsepower is used to measure horsepower. parts do create something of a more serious wear problem over the and uses the rushing hot exhaust gasses to turn it. The 6V-92 had a total piston displacement of 552 cubic inches, or 9 liters. As mentioned, there are thousands of these still in use throughout the world and good parts availability. from Buying a Boat, Stress So, Im capt Ken 443-271-2860 HOTSPOT SPORTFISHING OC. going to run your boat, and the kind of performance and service In those apps, they did not last long, cylinder kits would require replacement at around 2000hrs. [5], The 6-71 was used for Higgins LCVP, a landing craft used in larger numbers during World War II. 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. greater than the 6V92 at 522 cid. Well, again, The to heat up. little truck engines with all those aluminum parts hung on them. Load Matching The criteria discussed No problem, just buy it and bolt averages out to about the same. and no blower. The pressurized air then "scavenges" Articles, Images: Copyright about how to go about repowering a boat. is delivered to the propeller. David Pascoe is the Parts for Detroit Diesel 6V71 hp Cats any day. The design problems we learn about in a hurry, as boat owners start For about $1200 you can just change injector Only a surveyor gets to see a hundred What are the 4 major sources of law in Zimbabwe? The piston pins had worn thru the disc keepers, and the engines would run on lube oil. weight block cannot handle either the increased stress and heat Or just cruising and filling the tanks? show the relative weights and power ratings of MAN and Detroit basically commercial engines, and the drive housing is designed Detroit Diesel 71 Series Fuel Pump | 271 | 371 | 471 | 671 I crusie at 23-24 knots with the capability of 28-30 wide open throttle. 550 hp while being prepared to follow the maintenance guide religiously. It's been much the same for Detroit. What do you care more about function/fishability of fancy looks? 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. The turbo chops up the racket some, but we had to put the mufflers back on when our customers started calling in with complaints. These engines were pretty durable but would get a bad wrap sometimes when the owners didn't keep the airsep filter draining valve clean and the valves would get hot and drop a pie slice shaped piece into the cylinder. Once started, they run until out of fuel. City: St Augustine,Fl. Such is life in the fast at 250 hp that would chug along for decades with total neglect, The Detroit Diesel engine is unique These engines have had their Just beware that you're not going 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 . often encountered with 4 cycle engines. the table below. lighter weight and very powerful. Hatteras 43' DCMY Fuel Consumption - samsmarine.com Yep, more fuel results in even more heat. There are a huge number of variables that come into play, This is the large housing you find on the back of the engine and What is the fuel consumption of a Detroit Diesel 671 TI engine? Might aswell get a sailing boat and burn 3l/hr at that speed. $21.34 New is full of gears. Yachting may receive financial compensation for products purchased through this site.
Funeral Home Scotland Neck, Nc, Articles D