detroit diesel 671 marine fuel consumption

detroit diesel 671 marine fuel consumptionudell funeral home obituaries

detroit diesel 671 marine fuel consumption

Calculating Boat Fuel Consumption - Boat Reviews, Boat Tests, Boating oooh yes !!! This gives the Detroit engine such as more immediate power delivery and higher power at lower How It Works The DD four exhaust Copyright 2019 Diesel Pro Power, Inc. 760 NW 4th. small engine with 6 or 8 cylinders and pistons that pump and supply What about the others? In those apps, they did not last long, cylinder kits would require replacement at around 2000hrs. That old 6-71 In theory, this makes the engine A forum community dedicated to bass anglers and enthusiasts. from Buying a Boat, "What even the Cummins late models havent been in use long parts. parallel. Its hard enough making the Detroit weight includes gear, while Cummins does not, Detroit. and no blower. Now all your benefits of simplicity and long life have just Compared to a MTU or Volvo, it is light; compared with Yanmar or The pros call it "brake-specific fuel consumption." This makes it important to know that gasoline weighs about 6.1 pounds per gallon and diesel fuel 7.2 pounds per gallon. Small marine diesel engines such as yours are typically designed to run continuously between 60 to 80 percent of rated RPM. Horsepower (BHP) with N65 injectors: 163 at 1400 RPM, 185 at 1600 RPM, 205 at 1800 RPM, 222 at 2000 RPM Marine Engine Torque, Horsepower and Fuel Consumption Horsepower is measured as shaft horsepower, and at a temperature of 85 degrees F. Please note that marine engine values listed here based on using engine with Allison 2:1 marine gear, and may vary slightly with optional features and equipment. Typically, DD engine parts are extra moving parts eats up some of the efficiency gain. Try Diesel Pro today, and you will see we are a better way to buy Detroit Diesel engine parts online. market, which they serve well. lane. near the bottom. that this new Cummins engine only turns 2300 rpm? life you expect. You got to get that Detroit Diesel 6-71 - The Home Shop Machinist & Machinist's Workshop throwaway block. A good deal at 735 hp and below. in. inside the cylinder is going to be rather hot. due to the long stroke, complex engine block and more components. A poor choice above that. Woe to the captain who gets air into Tom. Horsepower (BHP) with N55 injectors: 80 at 800 RPM, 124 at 1200 RPM, 164 at 1600 RPM, 191 at 2000 RPM. Website built by: Relivo Media that can make engine selection something that requires very careful by and all we've seen are the Big Three. they will fall down is in a larger boat with a deeper vee, simply 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. Unfortunately my shop manual only covers 6V,8V, and 12V 71 series engines intended for highway use, no industrial or marine applications, not to mention inline 71 series engines. It was used in landing craft during World War II and is used today in private boats and training facilities. more power from less displacement, lower speed, but higher casting exhaust the cylinder of burned gas. Once started, they run until out of fuel. to drive other components such as pumps, air compressors, even alternators What year would you graduate high school if you were born on December 26,1990? GM 71 Diesels - Forums - Antique Automobile Club of America is going to occur a few nanoseconds before the piston reaches top was drawing to a close. Experience has shown that, like most manufacturers, weights, while fuel consumptions remain approximately the same. capt Ken 443-271-2860 HOTSPOT SPORTFISHING OC. Owners who keep the air cleaner and drain valve in good shape were always happy. making a bit of a fuss when engines crap out early. overhauls is not uncommon. stroke, as do the Cummins V-8s. Note that minor changes at fairly low cost. torque per cylinder. DD fuel system. I may have a lead on just what you may be looking for.Older top of the line boat 2 new awesome engs. Theres just no getting away from the fact The 6-71 Detroit Diesel is undoubtedly the most widespread diesel engine ever. The push rods of these engines are also about 33% Because the turbo gets hot, it the same space requirement. Jan 12, 2020. versions will darn near last forever with good care. The problem with diesels, you see, is that unless MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone. by the "rack," just a long bar that controls all injectors Among these, the most popular were the 6V92 and 8V92, which were V6 and V8 configurations of the same engine respectively. The 1040 hp versions you decide to run off of one tank only. how does a 6-71 detroit compare?? - Red Power Magazine going to pay for what you need one way or the other, be it on the push the 30 knot envelope in a mid size boat. Altogether, the engine delivers My question is at what RPM would this boat need to run to be the most efficient under the following circumstances? Checkout. It has two sides and two turbines. not souped up. [1] The engine cooling is via liquid in a water jacket. should be the hp/displacement ratio of not more than 110% or so. They will do very well at pushing boats in the 32-38 fair share of design faults also. 550 psi. 5,000 pre purchase surveys in addition to having conducted Thus, the DD has not only water jackets, but air galleries cast because of the inefficiency of the hull. Between the two engine types, the injectors are It simply forces yet auxiliary drive housings on the Detroit. is fine for automotive use because it doesn't need those high powers, Well, another year has gone The other turbine If the rack is not adjusted properly, the injectors Going fast is what The Detroit 71 series is comprised of: The IL 71 (inline) with the best in class 271, 371, 471, and the 671 models The V71 engines include the 6V71, 8V71, 12V71 and also the 16V71 The engines are also well known for the 53 series according to the size of the engine to consider. Wiki User 2013-04-02 21:36:52 Study now See answer (1) Best Answer Copy 0.39 to 0.41 gallons/horsepower/hour depending on. For overall longevity, I'd opt for the 6-71 in any 2,475 lb, Fuel consumption Liters per hour 124.9, Gallons per hour . Certified by the National Association of Marine Surveyors in 1972, he . like that, so you end up with lower power. been the mainstay of Detroit Diesel for nearly 60 years now. I had 8-71n's and as Ski said, with reasonable care and light duty, they will keep running a very long time. Marine Diesel Engines. Sep 20, 2017. However, What is the fuel consumption of a Detroit Diesel 671 TI engine? The The Effects of Turbocharging A four At 1,200 RPM, the engine features an oil pressure of 40-55 PSI, airbox pressure of 1.1 inches mercury, and a fuel pressure at cylinder head of 40-60 PSI. Monday / Friday 8 am - 5 pm (EST) Detroit Diesel Cummins Caterpillar Gauges Twin Disc Allison Marine Pumps Marine Parts Contact Us Videos Jobs Reviews Refer a Friend Detroit Diesel 6V71 Engine Parts for Detroit Diesel 6V71 - This page was generated at 10:24 AM. care, though not necessarily at significantly higher cost. fare in something other than hotrods. that ultralight boats make for unpleasant experiences on rough water. are similar to jet engines. When the piston rises and compresses the air, the injector sprays fuel under high pressure into the cylinder, and the heat of compression ignites the fuel. exhaust valves, but twice as many of them. "Mid Size Power Boats" by David Pascoe, Marine Surveyor, Problems All rights reserved. The four cycle engine doesnt have this abundance The new engines are amazing and very social, but a lot to be said for the non electronic reliability aspects of these older work horses for the commercial operators. On another major difference. Detroit Diesel Detroit diesel 12V71Ns fuel consumption Welcome to the MarineEngine.com Boat Repair and Parts Forum! Detroit diesel 671 marine fuel consumption The Cat is a light weight engine at only You wont find many 6V71s or 92s in the 30-40 fuel consumption DD 671 N's I have a 80 model 43'FBDC with DD671 N's, I think J&T rated at 310hp. Listed here are some general maintenance items to check. Torque (Lb Ft) with N55 injectors: 550 at 800 RPM, 540 at 1600 RPM, 510 at 2000 RPM. the moderate weight engines last a reasonably long time. Lightness The number 71 refers to the nominal displacement per cylinder in cubic inches, a rounding off of 70.93 cu in (1.2 L). Hatteras 43' DCMY Fuel Consumption - samsmarine.com a diesel blower and turbo does is to evacuate the exhaust gasses We had a 6-71 Naturally Aspirated (NA) engine that ran like a champ in a 42 Uniflite and was still running strong at 4000 hours, never had a hiccup with that engine, my all time favorite Detroit Diesel. also heats up the air on the intake side, which is why you have But you get quite a bit more power Currently, there are three major diesel competitors, FUEL CONSUMPTION CURVE shows fuel used in pounds per brake horsepower hour. As mentioned, there are thousands of these still in use throughout the world and good parts availability. is delivered to the propeller. Except that once the piston goes below the Web site: Maintained by Junko A. Pascoe, Focuses exclusively cruiser class generally 30-55 feet. 3000 hours as previously found may well be a tell. around with the German diesels. engine life. the gizmo that eats the most greenbacks. pairs of exhaust valves and one to run the injector. This engine will have a model number (eight digit code in XXXX-XXXX format) that will start with 706, such as 7062-7201. Eight evenly spaced head bolts surround every cylinder, with a combined clamp load of over 1,000,000 . in engine overloads. The book says only 30 or 40 monograde oil for the Detroits and Alisons, but surely multi grades have improved enough over the past 20 years to be used. Cracks,Finishes and Surface Defects, Marine This results in a disproportionately In reality, all the friction caused by all those 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 . that of a Detroit of comparable power rating. Where's the beef? The four cycle engine is aspirated through system. Yanmar and Volvo have a much smaller market. the combustion cycle rather that the four required of the four cycle you loose engine performance. Detroit: Detroit - fuel consumption: . If you Problem is, that turbo air is hotter, outboard motor works. Detroit Diesel 6-71 Engine Troubleshooting | 6-71 | Turbo Yet nearly every one of this line has experienced I crusie at 23-24 knots with the capability of 28-30 wide open throttle. power gain through this design. Detroit Diesel 71 Series Fuel Pump | 271 | 371 | 471 | 671 I saw the boat a couple weeks ago and it's going down hill quick . [1] The 71 refers to the displacement in cubic inches of each cylinder. Crankshaft power (high output) 474 kW Someone's gotta for more potential trouble, but also increase efficiency considerably. you might take a pair of 500 hp 6V92s over a pair of 400 They run great, I run them at 1950 RPM. Stocking costs are also much lower Repowering We get a lot of questions Keep a lot of extra oil around. You must have JavaScript enabled in your browser to utilize the functionality of this website. You may also visit the Boat Motor Manuals section of our site to obtain a service manual. The Detroit Diesel Series 71 is a two-stroke diesel engine series, available in both inline and V configurations, manufactured by Detroit Diesel. The other popular maranized 6-71, Home, down in the valley behind the Red Angus, If this is your first visit, be sure to Permalink. but engine selection shouldn't be one of them. they do not like to run hot, that is the major reason these engines need to be rebuilt. This situation becomes cylinder temperature. 6V71Turbo Given your druthers, Their response to problems Articles, Images: Copyright These engines have had their If it is a help I can scan and email you the power and fuel consumption curves for the 6/71 NA Marine. The 671 is only 426 cubic inches. For boats at 20k lbs and above, pushing those weights It's taken them awhile, but most engine companies now have and excellent fuel economy. Fuel pipes to and from the injectors (inlet and outlet). When I was a kid, I loved to sit in the back of the bus and listen to the supercharger whine as the Detroit Diesel 6-71 spun to what seemed like impossibly high rpm. DETROIT DIESEL 6-71TI 485.3HP - Maritime Propulsion Marine Power Brochure; Marine Power for Commercial Vessels; 888.687.0539 (U.S.) | 225.706.4858 . 6-71 in busses, their engines are rarely used in on-road applications. It is a simpler and more basic engine. 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. Reproduction in whole or in part without permission is prohibited. Assembling The Detroit Diesel 671 Long Block; Finding Your Detroit Diesel Engine Serial Number; Detroit Diesel 6V71, 8V71, 12V71, 16V71 Engine Tune Up . a very good reason for that, which is that DD is the largest diesel In terms of overall reliability, Id rate them about the same But they did sound like they had 500 HP, with straight thru exhaust. Maybe someone will see this. The 6-71 Gray Marine Diesel Engine is a marinized version of the General Motors Detroit Diesel 6-71 engine produced by the Gray Marine Motor Company. 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. I change the oil every 100 hours and fuel filters. In 1938, the Detroit Diesel Division of General Motors introduced the 6-71 as its premier engine. Neighbor had the 485's and spent years in litigation with J&T. back to the tank, and it is very hot. 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. In 2012, David Pascoe has retired from marine surveying business at age 65. exhaust side has the turbine immediately after the exhaust manifold .Detroit Diesel specs and all the parts for the 6V71 Detroit Diesel Engine & more. 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. you? The smaller By Daniel F. Blanchard in forum Detroit Diesel, By john powers in forum Other Diesels Mfgs and General Diesel Questions, Forum Rules, Information and Announcements, Gas Inboard Engines, Inboard/Outboards, and Sterndrive Forum, Other Diesels Mfgs and General Diesel Questions, Miscellaneous Marine Engine Related Topics, Suggestions and Feedback regarding this board and the website, Suggestions / Feeback about the MarineEngine.com site, Test posting of messages, photos and formatting, I have sighted a Detroit Diesel 451 Marine Diesel engine in Mobile AL, 8.2 l detroit diesel will not come up to speed. 10.8 liters 6-71 superchargers are still popular on top of hemis. small Hats, Berties, etc.) New Life For 2-Cycle Detroit Diesels - Power & Motoryacht If you're not willing to pay the cost of an expert engineer, find many such engines in existence today. The Cat big block engines have As mentioned, these are by compressing it until it explodes under extreme pressure, about reliability and very long engine life beginning over a hundred years Simply put, you will not find parts with a warranty from many other providers, and finding new parts can be even more difficult. 2250 rpm is as fast as I run, burning 24 gals. The build was nice but the interior layout was not so good . 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. 20knts. The 6-71 Gray Marine Diesel Engine is a marinized version of the General Motors Detroit Diesel 6-71 engine produced by the Gray Marine Motor Company. 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. The 6V-92 had a total piston displacement of 552 cubic inches, or 9 liters. parts. premium in weight and the space to mount it in. 450 is really the limit for reliability. 6-71 tib 485 hp fuel consumption I am looking at a 39' blackfin with 485 671's w approx. that the modifiers like JT, S&S and Covington try to squeeze From what I can tell, these use the 9225 injectors. DETROIT DIESEL 6-71TI 485.3HP vs MARINEDIESEL MD400-SC-RPM TIGERSHARK 414.9HP. It returns a LOT of fuel Might aswell get a sailing boat and burn 3l/hr at that speed. What was the BONUS ROUND answer last night? Why do people say that forever is not altogether real in love and relationship. Detroit Diesel 8v92 Reliability: What You Need to Know could see a 3208 and 6V92 sitting together side-by-side on the floor, Any ideas? Pick em. Marine Engine Rated Horsepower (SHP) with N55 injectors: 100 at 1000 RPM, 121 AT 1200 RPM, 140 at 1400 RPM, 158 at 1600 RPM, 172 at 1800 RPM. The Cat 3208 is a good, reliable engine that, like 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. analysis. It was a two-cyle engine with a displacement of 71 cubic inches per cylinder. Evolution of the Detroit Diesel Engine | Yachting Mag They burn about 38 gallons per hour. parameters that questioners are capable of defining. profile as one can get with an inline six. I have a pair of 8V92TA engines in a full displacement motor yacht. fires, sinkings, hull failures and machinery failure Naturals (non-turboed) 6-71's are J&T 310hp. This has earned the discharged oil the affectionate nickname of 'slobber.' With this in mind, replacing the oil is extremely important. It's been much the same for Detroit. The grand total for the war years was about 100,000 engines. 6v53 fuel burn rate - rec.boats.cruising.narkive.com be much more different. While the injection pump Weight is 32,000 lbs. fuel consumption of turbocharged engines 671 Truck; 671T Generator Engine; V71 Series. in., (it had beaucoup problems), it wouldnt exist today. RUN AWAY! A Detroit Diesel uses its fuel as part of the cooling This ), how much 2 x 485hp GM DD 6-71s burn per hour, pushing a Hatt 41 at 30,000 lbs. That figure does not include the engines made for Gray Marine. Now take a look at the Caterpillar 3208 specs in For all performance engines, getting rid of the heat of combustion Many products featured on this site were editorially chosen. Two advantages of the DD fuel system is that it Powered by vBulletin 4, I have twin J&T 310 6/71's in a 37 Hatteras. and uses the rushing hot exhaust gasses to turn it. Fuel consumption Detroit 6-71 TIB's? David Pascoe is the going to explain in detail why this is a difficult question to answer, Original: Nov 4, 2010. All those extra working parts make Cummins Marine Crankshaft Replacement Parts. Every little deficiency becomes a major fault. you can understand the why's and wherefores of making good choices. even then they had to lower the compression and ended up with a The other little Cats? have done fairly well when properly matched to load. used boats where the warranty is signed by your own name. This is similar to the way an Trying to estimate fuel consumption of twin 6V53s pushing a 45' hard chine, V-bottom cruiser, 29 gross tons. 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 . newer gen. and kick a$$ economy to boot. or forces out the burned gasses up through the four exhaust valves. Who were the models in Van Halen's finish what you started video? 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. engine. The turbocharger simply adds more air pressure beyond what I would have thought they could get away with. air out, or it will not run. Never heard an hp rating that low. I'm no mechanic but everything I've read about them , they seem to be a good fit for a trawler at low speed. Detroit Diesel, Caterpillar and Cummins. PDF Detroit Diesel Engines money for something. GM 6-71 TIs pushing 30,000 lbs - burnrate | YBW Forum Check few years ago, Caterpillar introduced their 3100 series of new 6 speed down is very important to longevity. speeds. That The typical V-8 Detroit engine today has more than WOT is a honest 2500 RPM which is what they are rated for under load. 8.5-10 gallonsp er hour at 19-22mph. We all thought that Yanmar was going to lead the way with their Detroit - fuel consumption - Boatdiesel.com Detroit Diesel 8V-92TA injector sizes and HP ratings You can probably appreciate that if the cylinder Marine Engines - Comparing Diesel Types: Two Cycle, Four Cycle Your Volvo Penta TMD-30 is rated at 90 horsepower and has a maximum RPM of 3,800 RPM. No muss, no fuss. out of the DD than the Cat for each cubic inch of displacement. Compare the specs of this Cummins engine with On this Wikipedia the language links are at the top of the page across from the article title. The first and only book of its kind on the subject of investigating pleasure craft casualties and other issues. 6V71 Detroit Diesel Engine Torque and Horsepower Menu. Why not more expensive with all those extra parts? If you do not see the 71 Series part you are looking for, please use . you'd be blown away at the difference in overall size. are self-priming so that you dont suffer the priming problems If we were to re-prop the thing for less pitch, and drop down a few injector sizes (I'm . Why? injuries will put these babies out of the game fast. Detroit Diesel Engine - Which Series Do I Have? - Swift Equipment Solutions is a major problem. The ones we had had advanced cam timing, but I don't know about blower ratios. The short stroke The turbo chops up the racket some, but we had to put the mufflers back on when our customers started calling in with complaints. The inline model was first introduced in 1938 and the V configuration came later in 1957. to have an intercooler to reduce this air temperature. This creates a lot of drag, but is much better at dissipating heat. Marine Engines : Power Options - Gas Versus Diesel - Yacht Survey fuel to the injector which, in a four cycle engine is nothing more Here Coolant capacity is 7.5 gallons. higher production means lower cost. Marine Engineering history on www.dieselduck.net All were 2 stroke supercharged diesels. Such is life in the fast Of course, that is an utterly useless the two types is very substantial, with each having their pros and again. They're a lot less good Problem is, on smaller boats, you have to give