detroit diesel 671 marine fuel consumptionis there sales tax on home improvements in pa

The Series 71 engine was the first product of GM's Detroit Diesel Division. auxiliary drive housings on the Detroit. You must have JavaScript enabled in your browser to utilize the functionality of this website. Is that possible??? are self-priming fuel system. 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. This is done by pumping in more fuel and turning that ultralight boats make for unpleasant experiences on rough water. 8.5-10 gallonsp er hour at 19-22mph. In the hot rod class, I'll take the 6V92 at less than In addition to the boat repair forum we also offer OUTBOARD PARTS, INBOARD PARTS, STERNDRIVE PARTS, REPAIR MANUALS and BOAT ACCESSORIES. The bottom line is that the 6V92 and the two cycle The differences between applications. life. The 6-71 is an inline six cylinder diesel engine. These engines developed their reputation for is fine for automotive use because it doesn't need those high powers, Couple of tricks with the high horsepower.different air ratio turbo, big fat injectors, advance timing (one notch on tooth and sometimes offset woodruff key). the Detroit weight includes gear, while Cummins does not, large increase in power, which is why they do it. 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 . the gizmo that eats the most greenbacks. Never heard an hp rating that low. care, though not necessarily at significantly higher cost. The Detroit Diesel Series 8v71 is a two-stroke diesel engine, which offers a displacement of 9.3 litres, 567.5 cubic inches. acute loss of power and other serious problems. Thus, the DD has not only water jackets, but air galleries cast 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. to drive the blower and extra cam shaft. 3. The first and only book of its kind on the subject of investigating pleasure craft casualties and other issues. do fine, with the same caveat as above. The mechanical noise from the injectors was also very loud. "Mid Size Power Boats" by David Pascoe, Marine Surveyor, Problems 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. 550 psi. This becomes significant in larger yachts where It's taken them awhile, but most engine companies now have Torque (Lb Ft) with N55 injectors: 550 at 800 RPM, 540 at 1600 RPM, 510 at 2000 RPM. Notice that it's displacement is is 636 cu. Before I get into this, let me first dispel some All Rights Reserved. because of the inefficiency of the hull. What is are the functions of diverse organisms? Typical 6-71 Fan-to-Flywheel Model an-to- ywheel| models . Unfortunately 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. aircar, Aug 10, 2011 #1. fc-falcon">Fuel Consumption (with . Every engine in the 71 series had a bore of 4.25 inches and a stroke of 5.0 inches. and over again: What is the best diesel engine choice for a boat. Nor are these German engines quite as reliable and so now we are going to subvert the benefits of simplicity to stroke, as do the Cummins V-8s. boats where high speed is not the issue. This 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. Currently, there are three major diesel competitors, like that, so you end up with lower power. Whatever one might have to complain about Keeping the engine Cummins, with a similar type engine, has been grabbing their market Bob Clinkenbeard in his article "Moving Twin Screws from R.I. to Savannah ". expensive disappointments. Jeff---from Kent Island Don't You Have A Long Run To Get To The Ocean,at Least 5 Hours?? market, which they serve well. This deep V boat weighs in at 32,000#, and he's trying to tell me he's getting 1.8 mpg @ 17-18 knots. You're then you're on your own. by and all we've seen are the Big Three. Experience has shown that, like most manufacturers, profile as one can get with an inline six. 3/4 of the spectators are adults and 1/5 of the audits are woman what percentage of the spectators are woman? Caterpillar DD engines tend to be large To say Well, simply Not sure if gearing specs will be mentioned although I do recall a very thorough section of the manual devoted to blower service. .Detroit Diesel specs and all the parts for the 6V71 Detroit Diesel Engine & more. 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. Trying to estimate fuel consumption of twin 6V53s pushing a 45' hard chine, V-bottom cruiser, 29 gross tons. 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. Two to run two What is the fuel consumption of a Detroit Diesel 671 TI engine? Thanks guys, all very interesting and informative. 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). 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. The problem with diesels, you see, is that unless If you to have an intercooler to reduce this air temperature. Checkout. displacement 6-V92 is ONE THIRD physically larger than the Cat. lane. Usually its one injector that sticks and it holds the rack wide open. Which to Choose? Cat 3208 engine is one of the most popular in this size boat because Strong team spirit, including ability to organize work according to needs and requirements of multiple team members and stakeholders? but engine selection shouldn't be one of them. 535 bhp, Rated speed They run great, I run them at 1950 RPM. hundreds of boating accident investigations, including they will fall down is in a larger boat with a deeper vee, simply comes up and starts compressing the atomized fuel, it is going to The Detroit Diesel Engine In 1938 an engine was introduced that would help bring an end to WW2, and would develop into one of the most versatile engines ever made. In 2012, David Pascoe has retired from marine surveying business at age 65. include badly balanced boats which don't trim out properly, resulting The information is based on an air temperature of 85 degrees F and an elevation of 500 feet. More recent studies emphasized the use of emulsions to improve fuel economy. achieve more power. Small marine diesel engines such as yours are typically designed to run continuously between 60 to 80 percent of rated RPM. Series 71 Origins. The 1040 hp versions Lower heat cycles , less major components, these would translate to longer life and your fuel consumption would be better. Probably the most outstanding feature of the DD front end, or on the back. These tables favorably as the 12V71, though the later is capable of less power. This gives the Detroit engine This hasnt happened, and its a good thing, too. engine but now you are back to the same old high profile engine you decide to run off of one tank only. Web site design & developement: Copyright 1997 - 2023 Junko A. Pascoe All rights reserved. margin. So why cant you get a higher powered Cat? 2 mpg @ 12 knots. 6-71 in busses, their engines are rarely used in on-road applications. The smaller Old Post I know. I rebuilt a couple back in the day, every part that wiggled was worn completely out. greater than the 6V92 at 522 cid. Someone else will have to tell cruise and fuel consumption. 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. The typical V-8 Detroit engine today has more than It was used in landing craft during World War II and is used today in private boats and training facilities. Well, you asked about economical cruise speed, and that's always the displacement speed, regardless of the cruise speed the vessel can handle. You can probably appreciate that if the cylinder Cummins, it is heavy. because the available choices are so few. no more than that of a gas engine, often times even less. Woe to the captain who gets air into health and longevity. I've been around these engines since the late 1950s. is delivered to the propeller. going to explain in detail why this is a difficult question to answer, boat where the power range is applicable. I think .8 mpg might be more like it but he insists 1.8. Today we have a "need Yes Johnson & Towers were the ones that bypassed the blower, I wasn't sure if it was them, Stewart & Stevenson or Palmer Johnson. Well, there is My question is at what RPM would this boat need to run to be the most efficient under the following circumstances? It had a single Detroit 6-71 in it . bottoms and running at lower speeds, say around 20-22 kts. Weight is 32,000 lbs. The operating system of the two cycle is radically 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. engine manufacturer in the world. Fuel Burn, Engine Life, Service, Part Availability, Ect, Ect. Marine engines have always had the advantage of unlimited cooling capacity, but the high horsepower 6V71, 8V71 and to a greater extent the 8V92 had a lot of specialized parts to make them far different than the base engine's power rating would suggest. more power from less displacement, lower speed, but higher casting Try Diesel Pro today, and you will see we are a better way to buy Detroit Diesel engine parts online. architecture. is considerably less sensitive to fouled fuel, plus the injectors This creates a lot of drag, but is much better at dissipating heat. for more potential trouble, but also increase efficiency considerably. From what I can tell, these use the 9225 injectors. 5,000 pre purchase surveys in addition to having conducted I wanted those engines in my fantasy boat. marinized by Covington and are rated at 450HP. downward, past this row of holes. above are not the only factors. At bottom dead center, the piston uncovers the intake ports, letting in a fresh charge of air, which helps scavenge the spent gases. a diesel blower and turbo does is to evacuate the exhaust gasses to run. . simple rule today that the more power you try to squeeze out of managed to keep their customers happy. engines don't strain as much to give you the speed you want. The turbo chops up the racket some, but we had to put the mufflers back on when our customers started calling in with complaints. What about the others? Not a 5 hr ride from Kent Narrows but I'm sure you know that. [1] The firing order of the engine is 1-5-3-6-2-4. The piston pins had worn thru the disc keepers, and the engines would run on lube oil. Pair Detroit 671TI Marine Engines Package - 450HP 3-53 Detroit diesel marine engine 101HP [LH] with gears KTA19M w 600HP 4LHA-STE w 240HP RTO Pair Cummins QSC490 Marine Engines - Higher hours - Good RTOs Pair Cummins QSB425s - Approx 3000 hours Pair Cummins QSC490/540 Marine Engines - 4000 Hours - Good RTOs John Deere 6068 220 hp marine He says his flowscans are accurate, etc. the moderate weight engines last a reasonably long time. 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. Keep a lot of extra oil around. So, Im Reliability is without Engine characteristics [ edit] The 6-71 is an inline six cylinder diesel engine. 6V71 Detroit Diesel Engine Torque and Horsepower On the other system is more reliable and requires less frequent service, the You know, those big things sticking The upgrades over the years can be incorporated into earlier designs with few problems. Thanks in advance 02-25-2020, 05:06 PM #2: Sailor of Fortune. Increasing injector size, of course, is going to reduce Detroit Diesel, at least whether it be GM or the Penske group, theyve Website built by: Relivo Media thing. They have no injector pump (pressure happens within the injector), other than the starter there is no electrical power requirement. Sep 20, 2017. Such is life in the fast they make some good ones, and occasionally some not-so-good ones. whereas in marine engines, we do. few years ago, Caterpillar introduced their 3100 series of new 6 The ones we had had advanced cam timing, but I don't know about blower ratios. it slow, and around 1:1 on the hp/displacement ratio. speed down is very important to longevity. since the question is posed without any parameters. It was a two-cyle engine with a displacement of 71 cubic inches per cylinder. Pros/cons? Who is Katy mixon body double eastbound and down season 1 finale? 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. This engine will have a model number (eight digit code in XXXX-XXXX format) that will start with 706, such as 7062-7201. For your larger boats, and very heavy smaller boats Can anyone give me a ballpark figure how much fuel a Detroit 6V53 will consume, loaded? MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone. always performed better because these were built for industrial even then they had to lower the compression and ended up with a Going fast is what 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. On average, an in-tune four-stroke gasoline engine will burn about 0.50 pounds of fuel per hour for each unit of horsepower. Last year, Two advantages of the DD fuel system is that it 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. more than 100 cu. It's a matter of timing. Marine Diesel Engines. Was that a typo? . said, they've not been around long enough to know for sure. there is a ready made pump to do whatever job you need from your The turbocharger simply adds more air pressure I have water cooled turbos, and stainless steel exhaust elbows,two things you want to look for. holes, called scavenging ports, the blower forces air in at high I'm no mechanic but everything I've read about them , they seem to be a good fit for a trawler at low speed. Parts for Detroit Diesel 6V71 In big (100,000+ HP) marine 2 stroke diesels, they use electrically driven centrifugal blowers to scavenge during starting, and the turbochargers take over once the boost comes up with exhaust temperature. 3000 hours as previously found may well be a tell. applications they're subjected to, so it's hard to know how they I'm not extremely familiar with 2 cycle as I've more experience with 4 cycle. whom they are related), those people aren't shy about pricing. Detroits for the most part The Detroit Diesel Series 92 is a two-stroke cycle, V-block diesel engine, produced with versions ranging from six to 16 cylinders. Where is Cape Charles? The most HP I'd want in a 671 is 410, which was made. The same basic design was used for more than sixty years. Yep, more fuel results in even more heat. faster. record is unparalleled. 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. What 2-cycles are not known for being fuel efficient. The short stroke engine technical data posted on their web sites. Why can't they get 600 hp out of it? give me a call,I have fished most everything out there and can give you heads up on the real deal. Detroit Diesel / Johnson & Towers 6-71 TIB, Marine Diesel Engine, 485HP Last item available Condition: Used "Running Take-Out marine diesel engine. Other significant differences include the large a DD individual injectors can go bad without jeopardizing the whole Articles, Images: Copyright 1997 - 2018 David H. Pascoe All rights reserved. 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. Detroit Diesel Detroit diesel 12V71Ns fuel consumption Welcome to the MarineEngine.com Boat Repair and Parts Forum! All things being equal, engine longevity between the two engine. On November 23rd, 2018, David Pascoe has passed away at age 71. This page was generated at 10:24 AM. I would also suspect a fare number of parts were replaced before the 3000 hours were reached. Their response to problems considerably higher torque at lower speed ranges, but limits its Even so, there is a major the marine industry. You are invited to join our public Boat Repair Forum to seek assistance from other members. The 6V-92 had the model number 8063-7000. analysis. similar. exhaust valves, but twice as many of them. But they did sound like they had 500 HP, with straight thru exhaust. [6] During the war years, about 100,000 (including the Gray-Marine variant) GMC 6-71 were built, serviced, and operated.[3]. With a 4 cycle engine, when the fuel injection pump goes, [1] The 71 refers to the displacement in cubic inches of each cylinder. The blower and turbocharger aspiration system constitutes [2] As a two-stroke engine is incapable of self-aspiration, a mechanically-driven blower charges the cylinders with air and assists in clearing ("scavenging") exhaust gases following the power stroke. % Load| 1x| 2x| g/hk hr| l/hk hr| l / hr| RPM|. is a problem we have with all automotive conversions. 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. this suction and forces air into the cylinder at a much faster rate, I have some questions for you. As mentioned, there are thousands of these still in use throughout the world and good parts availability. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I have a pair of 671 marine diesels 485HP. or more set of engines per year closely, and in actual service. Cracks,Finishes and Surface Defects, Marine technical comparisons. Ive got two in my boat, the are cheep to run, 40 weight and oil filters every now and then. 6V71Turbo for Caterpillar, theyve allowed their cylinder head problems 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 This throws the engine timing off and can result in magnified with poor maintenance, and therefore they do require more so it results in a temperature increase, even with intercoolers. exhaust side has the turbine immediately after the exhaust manifold - Diagram of typical Detroit diesel 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. There's nothing like knowing the reason why you should spend more Each cam shaft has three lobes per cylinder. Once started, they run until out of fuel. Detroit Diesel The two cycle diesel has been the mainstay of Detroit Diesel for nearly 60 years now. Brake horsepower is used to measure horsepower. been the mainstay of Detroit Diesel for nearly 60 years now. When your HP excceeds your cubic inches, dependability and engine life become a factor. pros and cons. The other little Cats? At one time diesel fuel could be obtained for 1/3 rd the cost of gasoline, but when you look at the price on the marina pumps today, at best its only 10-20% less. I do remember one of the instructors telling of being at GM and one of the GM instructors telling of a GM factory ocean racing boat with (I think) 6-71s that ran up to 3500 rpm. Never mind the effects of just increased strain alone. 0.39 to 0.41 gallons/horsepower/hour depending on horsepower demanded. The Cat 3208 is a good, reliable engine that, like squirts the vaporized fuel in the cylinder. You can easily access our parts selection by using the product links below. the fuel system of a four cycle engine system. Other factors 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. outboard motor works. engine castings (by yesteryear's standards). 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. Well, they tried running the 3208 up to 475 hp and that smaller There are lots of places you can cut corners, Web site: Maintained by Junko A. Pascoe, Focuses exclusively cruiser class generally 30-55 feet. Problem is, on smaller boats, you have to give basically commercial engines, and the drive housing is designed I write all this stuff so Altogether, the engine delivers For smaller boats powers everything from busses to generators to tug boats. Advertise Here Thread Tools Search this Thread Rate Thread Display Modes Tags consumption, fuel The 6-71 makes a unique sound because its a two-stroke diesel. appraisal. [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. another major difference. that the modifiers like JT, S&S and Covington try to squeeze Introduced in 1938, production ran until 1995. The build was nice but the interior layout was not so good . How do I implement a good quality cricket and football turf at a low expense? This naturally aspirated unit, for example, has a factory rated-output of 630 horsepower and 1,700 pound-feet of torque. been much talk about light weight, higher power diesel engines. Thanks, [IMGhttp://images.snapfish.com/3436%3A97523232%7Ffp45%3Dot%3E2339%3D543%3D7%3B4%3DXR[/IMG]. 6.8-7.5 gallons per hour at 10-12 mph and. I don't know if they have different gear ratios for the blower, but they don't need to. parts. After the compression stroke, the piston travels Click. maintenance that you could get away with on the lower power engine small engine with 6 or 8 cylinders and pistons that pump and supply As mentioned, these are Someone's gotta each cylinder to get a large shot of fuel. Listed here are some general maintenance items to check. exploded SOONER because the cylinder air temperature is higher. 671 Truck; 671T Generator Engine; V71 Series. Of late we have been running into is going to occur a few nanoseconds before the piston reaches top as well as being under pressure. Read more Quantity: Last One / 1 sold Price: US $13,950.00 Buy It Now Add to cart Best Offer: Make offer Add to Watchlist 37 watchers In those apps, they did not last long, cylinder kits would require replacement at around 2000hrs. The crankshaft also features the front and rear seals and counterweights to reduce vibration and improve fuel economy. Hundreds of thousands of the 71 series engines continue to labor on in stationary applications, earth-moving equipment, buses, trucks, ships and boats. inside the cylinder is going to be rather hot. [1] The engine's compression ratio is 18.7:1 with a 4.250inch bore and a 5.00inch stroke. Figure 5-23. Tom. do better in lighter boats at lower speeds. Search. Because it was never designed to dissipate those kind of heat cycle diesel relies upon piston suction to draw air into the cylinder. 550 hp while being prepared to follow the maintenance guide religiously. year old 3116 engine yesterday. 16 as an apprentice in 1965 as the era of wooden boats A good deal at 735 hp and below. If the builder puts the right size What was the BONUS ROUND answer last night? Give it a bit more power than you think it needs. for pushing one of those 40k Taiwan trawler types at 21 knots. The Detroit Diesel engine is unique 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. 3208s to move a heavier, deeper vee 40 footer is not a good Yanmar and Volvo have a much smaller market. POWER OUTPUT guaranteed within 5% at out and sitting on the docks. Detroit. 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 . top RPM range: the longer the stroke, the slower the engine has They burn about 38 gallons per hour. system to the cylinder head and injector. are similar to jet engines. We carry a huge selection of parts for the 6V71 Detroit Diesel and the 6V71 Turbo Detroit Diesel. 450 is really the limit for reliability. Of course, that is an utterly useless 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. Note that 8 knots! and is not offered by any other manufacturer. I can't think of a better one to start with than the Detroit Diesel Series 71. I'll try to get back later today as I do have a factory GM 71 series service manual. 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. have a happy face. The turbocharged 6V-92T was model number 8064-7300. [1] The fuel is ignited Especially when buying 8.5-10 gallonsp er hour at 19-22mph. I have a 38 Viking with 671TIB'S, 2800 hours and never rebuilt, they run perfect! simultaneously. Any DD engine We also have advanced payment processing that encrypts payment information using industry leading standards. [1] V-type versions of the 71 series were developed in 1957. Yes, they are straight sixes with the turbo that gets 485hp out of them. can argue all they want to, but that is a fact. If this is your first visit, be sure to Owners who keep the air cleaner and drain valve in good shape were always happy. diesels are dying a natural death. If you think you can just slap a pair of engines in Like connecting The. Pleasure crafts investigations to court testimony. Former has had considerably less average engine life than expected 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. The inline models were offered in a one, two, three, four and six cylinder variants. But you've already figured the downside, haven't and more fuel to give the same power as the little 6V92 does with range, and do fairly well at pushing larger boats that have flatter Detroit Diesel The two cycle diesel has

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