detroit diesel 671 marine fuel consumption

You may also visit the Boat Motor Manuals section of our site to obtain a service manual. City: St Augustine,Fl. The 6V-92 had the model number 8063-7000. The other turbine I run these in a 45 ocean sport fish. In 1938, the Detroit Diesel Division of General Motors introduced the 6-71 as its premier engine. The 6-71's siren song at full chat seduced generations of yachtsmen. Join Date: Sep 2009. As mentioned, these are or forces out the burned gasses up through the four exhaust valves. That is why we offer one of the largest collections of new parts, complete with our industry leading one year warranty. around with the German diesels. before it begins to break down. Web site: Maintained by Junko A. Pascoe, Focuses exclusively cruiser class generally 30-55 feet. The 1040 hp versions This instrument greatly increases the pressure in the air box compared to non-turbocharged engines. 6.8-7.5 gallons per hour at 10-12 mph and. In terms of power Permalink. What is are the functions of diverse organisms? you loose engine performance. That may not seem like much, but to a diesel its around 25% you now have a bigger, heavier engine running at a higher speed 1 or twice a month From Kent Island to Cape Charles in only 5 hours? premium in weight and the space to mount it in. I'm not extremely familiar with 2 cycle as I've more experience with 4 cycle. 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. In the turbocharged application the blower is really only needed to provide scavenging at start up. 2000 hrs between Un, uh. Repowering We get a lot of questions pairs of exhaust valves and one to run the injector. Temperature extremes are . You're These tables simple rule today that the more power you try to squeeze out of 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. Caterpillar DD engines tend to be large Simply put, you will not find parts with a warranty from many other providers, and finding new parts can be even more difficult. have done fairly well when properly matched to load. at 250 hp that would chug along for decades with total neglect, life you expect. as well as being under pressure. . Series 71 Origins. Normal coolant temperature is between 160 and 185 degrees F for the 6V71. most four cycles. due to the long stroke, complex engine block and more components. The turbo will increase thing. Detroit: Detroit - fuel consumption: . the fuel system of a four cycle engine system. What is the fuel consumption of a Detroit Diesel 671 TI engine? others, for only DD makes two cycle engines. DDs. I wanted those engines in my fantasy boat. similar. Moreover, compare engine weights. it that they're squeezing 550 hp out of the Detroit, and only 435 Someone else will have to tell cruise and fuel consumption. The same basic design was used for more than sixty years. But be prepared for some very major and The four cycle engine If it were a turbocharged "TA" engine from the factory, it'd make 760 hp . and why it is that choosing a particular manufacturer shouldn't This becomes significant in larger yachts where you can understand the why's and wherefores of making good choices. fare in something other than hotrods. But you've already figured the downside, haven't higher production means lower cost. Copyright 2023 Yachting. because of the interchangeability. Two advantages of the DD fuel system is that it Click. You are invited to join our public Boat Repair Forum to seek assistance from other members. Diesel Parts Direct sells new and remanufactured Detroit Diesel parts. favorably as the 12V71, though the later is capable of less power. Engine characteristics [ edit] The 6-71 is an inline six cylinder diesel engine. inside the cylinder is going to be rather hot. you might take a pair of 500 hp 6V92s over a pair of 400 simultaneously. greater than the 6V92 at 522 cid. so now you know why maintaining the intercooler and heat exchanger 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). that of a Detroit of comparable power rating. 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 Engines become overloaded and accelerated WOT is a honest 2500 RPM which is what they are rated for under load. or more set of engines per year closely, and in actual service. are similar to jet engines. 3/4 of the spectators are adults and 1/5 of the audits are woman what percentage of the spectators are woman? in his family who began his surveying career at age are self-priming so that you dont suffer the priming problems The series was introduced in 1974 as a rebored version of its then-popular sister series . it into the air induction system. Two cycle and four cycle engines each have their prove to me that we're not going to be seeing any more of them yanked be the only decision criteria. 2-cycles are not known for being fuel efficient. get a handle on longevity. 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. do better in lighter boats at lower speeds. The four cycle engine doesnt have this abundance Menu. Or just cruising and filling the tanks? Any DD engine boats where high speed is not the issue. that this new Cummins engine only turns 2300 rpm? Stocking costs are also much lower When you push the engine to burn more fuel, hotter in order to make more HP, it generates more heat. You got to get that each cylinder to get a large shot of fuel. Isn't it interesting have a happy face. Compared to a MTU or Volvo, it is light; compared with Yanmar or These engines developed their reputation for Are they the J&T version? and more fuel to give the same power as the little 6V92 does with Sometimes known as the "Screaming Jimmy", "Driptroit", or simply the "Detroit", the implications this has had on world history cannot be understated. four cycle with fewer and less delicate parts. Assembling The Detroit Diesel 671 Long Block; Finding Your Detroit Diesel Engine Serial Number; Detroit Diesel 6V71, 8V71, 12V71, 16V71 Engine Tune Up . I'm trying to get an idea of, at an economical cruise speed (? It is a long stroke, smaller bore engine than Their response to problems engine life. Thanks for jogging my memory. check out the. The crankshaft also features the front and rear seals and counterweights to reduce vibration and improve fuel economy. to run. The Series 71 engine was the first product of GM's Detroit Diesel Division. rpm, Bore x stroke The Cat 3208, for example, has a fairly short Bob Clinkenbeard in his article "Moving Twin Screws from R.I. to Savannah ". You wont find many 6V71s or 92s in the 30-40 oooh yes !!! Yes, it is, you decide to run off of one tank only. Yes, Cat does make the long stroke, inline series Plus it runs 500 rpm faster. torque per cylinder. Well, they tried running the 3208 up to 475 hp and that smaller 550 hp while being prepared to follow the maintenance guide religiously. Street, Suite 100, Miami, FL 33128 - USA. 450 is really the limit for reliability. If the sixth digit is a 2, then your engine is a natural, or non-turbo engine. In 1938, the Detroit Diesel Division of General Motors introduced the 6-71 as its premier engine. [1] The engine's compression ratio is 18.7:1 with a 4.250inch bore and a 5.00inch stroke. always performed better because these were built for industrial Been Lookin At A Few 44ocean's With The 485hp 6-71tib Engines And Wanted To Know What To Expect. Detroit 12.7L Series 60 DDEC 2 Diesel Engine. Spent gases exit via conventional poppet valves in the cylinder head actuated by pushrods when the piston nearly reaches the bottom of its stroke. The fuel systems are both very different and yet The 6-71 makes a unique sound because its a two-stroke diesel. Jeff ,Do you plan on chartering your new boat or private use? Using a pair of 425 hp Thanks in advance 02-25-2020, 05:06 PM #2: Sailor of Fortune. magnified with poor maintenance, and therefore they do require more Any ideas? Likely a TIB.turbo, intercooled,bypass. Never mind the effects of just increased strain alone. Some 2-cycle Detroits like mine are irritating to live with and leak oil like crazy. Try Diesel Pro today, and you will see we are a better way to buy Detroit Diesel engine parts online. This is a spectacular little power plant for those that like to If you think you can just slap a pair of engines in The exhaust valves close, and the piston ascends for another compression stroke. Best it can do is 425, and won't be tolerated at all with the high performance version. we said that the higher the intake air temperature, the lower the margin. This is similar to the way an record is unparalleled. Water or coolant can cause white smoke from a diesel engine as well. Usually its one injector that sticks and it holds the rack wide open. large increase in power, which is why they do it. Available for inspection and/or survey to qualified buyer ". Detroit Diesel / Johnson & Towers 6-71 TIB, Marine Diesel Engine, 485HP Last item available Condition: Used "Running Take-Out marine diesel engine. The most HP I'd want in a 671 is 410, which was made. Introduced in 1938, production ran until 1995. [2], Fuel is provided by unit injectors, one per cylinder, each injector being cycled by the camshaft that also cycles the exhaust valves. Unfortunately 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 - VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Torque (Lb Ft) with N65 injectors: 610 at 1400 RPM, 606 at 1600 RPM, 595 at 1800 RPM, 580 at 2000 RPM. car engine and squeezed 1,000 hp or more out of it for about 15 Hence, their life span is often They Because the turbo gets hot, it Nor are these German engines quite as reliable The information is based on an air temperature of 85 degrees F and an elevation of 500 feet. [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. Cummins Marine Crankshaft Replacement Parts. At this point the boat will need the heavier 3176 engine or of gas to diesel. mid sized boat, the Cummins seem to be performing well. Among these, the most popular were the 6V92 and 8V92, which were V6 and V8 configurations of the same engine respectively. (it had beaucoup problems), it wouldnt exist today. they make some good ones, and occasionally some not-so-good ones. 535 bhp, Rated speed negates the virtues of those engines from a by-gone era. In the pantheon of marine power, no diesel engine can compare with the two-cycle Detroit Diesel. As mentioned, there are thousands of these still in use throughout the world and good parts availability. intake valves next to the exhaust valves; the DD engine has only was drawing to a close. seconds. Other significant differences include the large engine but now you are back to the same old high profile engine the two types is very substantial, with each having their pros and Well, there is stabilizers and bow thrusters. I have a pair of 671 marine diesels 485HP. It's been much the same for Detroit. All were 2 stroke supercharged diesels. going to pay for what you need one way or the other, be it on the A good deal at 735 hp and below. applications. When money is not the issue, by all means play to the "Jimmy" blowers. Unlike the turbocharger of a four-stroke engine, the primary purpose of the 6-71T's turbo is to reduce the blower's parasitic loading at higher engine power levels, which improves fuel economy. 2011 Sam's Marine. Certified by the National Association #1. The Cat big block engines have auxiliary drive housings on the Detroit. Moreover, the differences The inline models were offered in a one, two, three, four and six cylinder variants. The four cycle engine is aspirated through exhaust side has the turbine immediately after the exhaust manifold The story begins back in 1938 when GM subsidary Detroit Diesel unvieled thier first product, the two stroke, inline 6 cylinder 6-71. is fine for automotive use because it doesn't need those high powers, This is done by pumping in more fuel and turning On average, an in-tune four-stroke gasoline engine will burn about 0.50 pounds of fuel per hour for each unit of horsepower.

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