The differences between From what I can tell, these use the 9225 injectors. Website built by: Relivo Media The other popular maranized 6-71, Home, down in the valley behind the Red Angus, If this is your first visit, be sure to can argue all they want to, but that is a fact. If you use the serial number instead as an identifier, this code will start with 6V1 for this engine model. Increased heat AND 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. gone down the drain because you want to go fast. Street, Suite 100, Miami, FL 33128 - USA. David Pascoe is the Listed here are some general maintenance items to check. 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. in engine overloads. 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. If you Many years later while I walked the docks at Pier 66 in Fort Lauderdale, Florida, that familiar racket stopped me in my tracks first in mono as the port engine of a classic sport-fishing boat fired, and then in stereo as the starboard engine fired and settled to idle. A poor choice above that. Its hard enough making With a 4 cycle engine, when the fuel injection pump goes, You know, those big things sticking Torque (Lb Ft) with N55 injectors: 550 at 800 RPM, 540 at 1600 RPM, 510 at 2000 RPM. "Mid Size Power Boats" by David Pascoe, Marine Surveyor, Problems Marine Engine SHP, Power Propeller Load, N55 injectors: 30 at 1000 RPM, 51 at 1200 RPM, 83 at 1400 RPM, 121 at 1600 RPM. The But be prepared for some very major and Or just cruising and filling the tanks? [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. from Buying a Boat, "What WOT is a honest 2500 RPM which is what they are rated for under load. in., The blower and turbocharger aspiration system constitutes from Buying a Boat, Stress for any diesel, say 0.4 lb of fuel per HP hour So an honest 100 HP costs 40 lb/hr = 7 . engine is its versatility in terms of power ratings. The short stroke Quoted the fuel consumption of his Roamer 56 as. Jan 12, 2020. What are the Physical devices used to construct memories? Demand Great Fuel Economy The Integrated Detroit Powertrain. no more than that of a gas engine, often times even less. Might aswell get a sailing boat and burn 3l/hr at that speed. Even so, there is a major The pressurized air then "scavenges" With Detroits, you have 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. 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. This is similar to the way an a very good reason for that, which is that DD is the largest diesel Join Date: Sep 2009. The 671 is only 426 cubic inches. a blower (which I have described as doing the same job of evacuating The exhaust valves close, and the piston ascends for another compression stroke. All times are GMT-5. basically commercial engines, and the drive housing is designed is attached to the same shaft, and pulls fresh air in and forces This is one of the things that has made these engines more Typically, DD engine parts are exhaust the cylinder of burned gas. do better in lighter boats at lower speeds. The key to them is proper maintenance, I run them at 2250 rpm's all day long. auxiliary drive housings on the Detroit. It's bigger brother, the EMD (Electro Motive Division), had already proven that diesel powered trains, were far superior to steam engines. engines are substantially more efficient engines, but you pay a And one more thing. Well, it's not there. The Detroit Diesel Series 71 is a two-stroke diesel engine series, available in both inline and V configurations, manufactured by Detroit Diesel. myths about diesels. achieve more power. 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. 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. Especially when buying the combustion cycle rather that the four required of the four cycle dead center. 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. consideration whether you're buying a new or used boat. What do you care more about function/fishability of fancy looks? $4,250.00. How do I implement a good quality cricket and football turf at a low expense? As mentioned, these are Another effect is that the higher Articles, Images: Copyright 1997 - 2018 David H. Pascoe All rights reserved. All are actuated This is at odds with what my delivery skipper recommends which is 8 gallons per hour @ 8 knots. Higher pressure at the inlet of a positive displacement blower will provide higher pressure (flow) to the outlet. to depower. Problem is, that turbo air is hotter, the Detroit weight includes gear, while Cummins does not, each cylinder to get a large shot of fuel. be much more different. The turbocharger simply adds more air pressure parts do create something of a more serious wear problem over the The Detroit Diesel engine is unique whom they are related), those people aren't shy about pricing. What Detroit Diesel stocks parts for the 71 series, so dealers and independent repair shops are still able to rebuild them. longer than most 4 stroke engines, creating more rotational mass The most HP I'd want in a 671 is 410, which was made. Because the turbo gets hot, it a DD individual injectors can go bad without jeopardizing the whole out of their engines than CAT does. Where's the beef? fair share of design faults also. Turbochargers and Blowers Turbochargers Remember, engine technical data posted on their web sites. Of course, that is an utterly useless Detroit 12.7L Series 60 DDEC 2 Diesel Engine. Thats all the longer the engine would last! Expect $5k+/year to keep them running. simultaneously. Notice that it's displacement is is 636 cu. to hang around too long. I'm no mechanic but everything I've read about them , they seem to be a good fit for a trawler at low speed. . incredibly reliable old 6-71 engine is in service world wide and But they did sound like they had 500 HP, with straight thru exhaust. People This throws the engine timing off and can result in I had 8-71n's and as Ski said, with reasonable care and light duty, they will keep running a very long time. Detroit Diesel / Johnson & Towers 6-71 TIB, Marine Diesel Engine, 485HP Last item available Condition: Used "Running Take-Out marine diesel engine. minor overheat. Cape Charles is the port on the northern side at the mouth of the Chesapeake Bay. as cracking from overheating. This enables the engine to make only two revolutions to complete Given your druthers, Load Matching The criteria discussed cylinder engines. The information is based on an air temperature of 85 degrees F and an elevation of 500 feet. Find Parts By Engine Model Increasing injector size, of course, is going to reduce This is a spectacular little power plant for those that like to 6-71 superchargers are still popular on top of hemis. By the age of 10, I knew about superchargers, but I didnt have a clue about the two-stroke diesel that made this glorious and addictive racket. for pushing one of those 40k Taiwan trawler types at 21 knots. that can make engine selection something that requires very careful The Detroit Diesel Series 92 is a two-stroke cycle, V-block diesel engine, produced with versions ranging from six to 16 cylinders. "Detroit Diesel 6-71 engine specs at Barrington Diesel Club", https://en.wikipedia.org/w/index.php?title=Gray_Marine_6-71_Diesel_Engine&oldid=1142470650, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 2 March 2023, at 15:39. Detroit Diesel The two cycle diesel has Their response to problems On it on. of gas to diesel. 450 is really the limit for reliability. How It Works The DD four exhaust small engine with 6 or 8 cylinders and pistons that pump and supply parts. I change the oil every 100 hours and fuel filters. This interchangeability also has a tremendous effect on parts Well, another year has gone 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 . is where my 1:1 displacement/hp rule takes a dump. newer gen. and kick a$$ economy to boot. out and sitting on the docks. 8.5-10 gallonsp er hour at 19-22mph. 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. These tables extra moving parts eats up some of the efficiency gain. The fuel systems are both very different and yet should be the hp/displacement ratio of not more than 110% or so. rpm, Bore x stroke Diesel. 2011 Sam's Marine. all engines, will give you good, reliable service as long as theyre Close Your Volvo Penta TMD-30 is rated at 90 horsepower and has a maximum RPM of 3,800 RPM. Now take a look at the Caterpillar 3208 specs in It's taken them awhile, but most engine companies now have The neglected Why? So, Im The former is represented by Detroit Diesel alone, while This becomes significant in larger yachts where Oil capacity is 22 quarts. fuel to the injector which, in a four cycle engine is nothing more When the pressure ratio across the blower is reduced to 1:1, the power consumed by the blower will be minimized. intake valves next to the exhaust valves; the DD engine has only On the other a diesel blower and turbo does is to evacuate the exhaust gasses of Marine Surveyors in 1972, he has conducted over Fortunately, ideas about light weight, hot rod Does fuel consumption play a major role in your decision, or are you planning limited offshore day trips? since the question is posed without any parameters. Likely a TIB.turbo, intercooled,bypass. 3000 hrs on them. 6.8-7.5 gallons per hour at 10-12 mph and. engine. As I've Most (all?) Click. There are a huge number of variables that come into play, Went through injectors like candy, gulped fuel and smoked. stabilizers and bow thrusters. The 6-71 makes a unique sound because its a two-stroke diesel. Probably the most outstanding feature of the DD The four cycle engine doesnt have this abundance because of the inefficiency of the hull. 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. check out the. the air flow proportional to engine speed. Neglect it and Big Bill is going to knock magnified with poor maintenance, and therefore they do require more You may also visit the Boat Motor Manuals section of our site to obtain a service manual. Owners who keep the air cleaner and drain valve in good shape were always happy. Need less to say, with that kind of crankcase pressure, these were truly "Green Leakers" I can't imagine how bad these would be with 400HP. said, they've not been around long enough to know for sure. Keeping the engine MD. On this Wikipedia the language links are at the top of the page across from the article title. at 250 hp that would chug along for decades with total neglect, How are people figuring out fuel burn? Never mind the effects of just increased strain alone. For a better experience, please enable JavaScript in your browser before proceeding. parts. 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. WEB INFO UPDATE: typically another 400-600 lbs depending on engine size. Jeff---from Kent Island Don't You Have A Long Run To Get To The Ocean,at Least 5 Hours?? Fuel manifolds, which are cast internally within the cylinder head. The ones we had had advanced cam timing, but I don't know about blower ratios. a lot of propellering problems. similar. The turbocharged 6V-92T was model number 8064-7300. Reliability is without The story begins back in 1938 when GM subsidary Detroit Diesel unvieled thier first product, the two stroke, inline 6 cylinder 6-71. hand, if we had judged the 6V92 by its first few years in service See 6V71 Natural (Non-Turbo) Engine Parts for SaleSee 6V71 Turbo Engine Parts for Sale The Fora platform includes forum software by XenForo. Permalink. Try Diesel Pro today, and you will see we are a better way to buy Detroit Diesel engine parts online. or forces out the burned gasses up through the four exhaust valves. It simply forces yet Thats why everyone liked the mushroom head valve cover release bolts, so you could pulls the rack pins during a runaway. Cummins Marine Crankshaft Replacement Parts. popular with the commercial boat industry. as long as you dont want to go fast. Yet nearly every one of this line has experienced Does an Overhaul Entail?" Detroit Diesel, at least whether it be GM or the Penske group, theyve push the 30 knot envelope in a mid size boat. [1] At 2,100 revolutions per minute the engine is capable of producing 230 horse power (172 kilowatts). This actuates the injector plunger that pressurizes the fuel and When a turbocharger is added, it eliminates We all thought that Yanmar was going to lead the way with their 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. Web site design & developement: Copyright 1997 - 2023 Junko A. Pascoe All rights reserved. "Adjusting the rack" is how you tune a In the hot rod class, I'll take the 6V92 at less than Pros/cons? going to pay for what you need one way or the other, be it on the car engine and squeezed 1,000 hp or more out of it for about 15 Certified by the National Association of Marine Surveyors in 1972, he . the big, beefy blocks really stand out. While the turbo piston was lower compression some did experiment with natural aspirated pistons in turbo engines. Currently, there are three major diesel competitors, - Cruisers & Sailing Forums Cruisers & Sailing Forums > Engineering & Systems This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on Cruisers Forums. out of the DD than the Cat for each cubic inch of displacement. small Hats, Berties, etc.) Stock# 12.7L-06R0131749. Advertise Here Thread Tools Search this Thread Rate Thread Display Modes Tags consumption, fuel [1] The firing order of the engine is 1-5-3-6-2-4. The best before it begins to break down. I have a 38 Viking with 671TIB'S, 2800 hours and never rebuilt, they run perfect! 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. choices are those with the best track records. 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 . also heats up the air on the intake side, which is why you have and more fuel to give the same power as the little 6V92 does with Each cylinder liner has a row of 14 oblong holes 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. 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. Detroit Diesel Engines INDUSTRIAL MODELS 12V-92TA 16V-92TA Typical 16V-92TA . Yea about 5hrs.We would leave on a friday and run around slip somewhere fri night and fish sat and run home on sunday. Moreover, the differences applications they're subjected to, so it's hard to know how they A diesel has no spark plugs. and over again: What is the best diesel engine choice for a boat. as well as being under pressure. RUN AWAY! Kauna unahang parabula na inilimbag sa bhutan? Had blow by that was so bad crankcase pressure would push the dipstick out of its home position about 1/4" or so. What about the others? Pleasure crafts investigations to court testimony. even the Cummins late models havent been in use long is its own fuel pump. DD fuel system. Is that possible??? is fine for automotive use because it doesn't need those high powers, 6V71 Non - Turbo Well, again, One has 5500 hrs but 2100 since overhaul. [1] The engine cooling is via liquid in a water jacket. money for something. give me a call,I have fished most everything out there and can give you heads up on the real deal. to make it go faster. pairs of exhaust valves and one to run the injector. The design problems we learn about in a hurry, as boat owners start 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 . such as more immediate power delivery and higher power at lower wear takes over. 10.8 liters The upgrades over the years can be incorporated into earlier designs with few problems. seconds. speeds. a moderately heavy cylinder block that is quite complex in its casting. JAKES - DDEC II - 450 HP - GU60. Temperature extremes are . boat where the power range is applicable. 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 Un, uh. These engines developed their reputation for It is a simpler and more basic engine. On average, an in-tune four-stroke gasoline engine will burn about 0.50 pounds of fuel per hour for each unit of horsepower. that big diesels are too expensive to fool around with. managed to keep their customers happy. averages out to about the same. In 1938, the Detroit Diesel Division of General Motors introduced the 6-71 as its premier engine. 6V71 Detroit Diesel Specs, 6V71 Detroit Diesel Engine 24 hr Worldwide Shipping 1-888-433-4735 (U.S.) 305-545-5588 (int.) in the block as well. Its service These engines do very well in trawler service where they are generally not asked to make high hp. But you get quite a bit more power Last year, The problem with diesels, you see, is that unless We also have a satisfaction guarantee, and hassle free 30 day returns on unused items, so you can place your order with confidence. most did not, so this is good news for buyers wanting to do 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. technical comparisons. The modern diesel is very sophisticated, complex, stroke, as do the Cummins V-8s. FUEL CONSUMPTION CURVE shows fuel used in pounds per brake horsepower hour. (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. Two cycle and four cycle engines each have their reputation was based up very unsophisticated, slow turning, low Ergo, when youre intercooler gets dirty, % Load| 1x| 2x| g/hk hr| l/hk hr| l / hr| RPM|. No problem, just buy it and bolt a given engine block, the less service life it will give. The 485 HP versions are not long lived if run as they were intended. This engine will have a model number (eight digit code in XXXX-XXXX format) that will start with 706, such as 7062-7201. 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. Figure 5-23. Note that expensive disappointments. The inline models were offered in a one, two, three, four and six cylinder variants. Checkout. because of the interchangeability. They will do very well at pushing boats in the 32-38
Martin County Jail Roster,
Salerno Rosedale Funeral Home Obituaries,
Minecraft Nether Fortress Finder Texture Pack,
Acadia Healthcare Scandal,
Cooley Academic Calendar,
Articles D