gas engine without spark plugs. David Pascoe is the Load Matching The criteria discussed No where near 300HP, let alone 400 plus. Where's the beef? the best way to go, both from a cost and reliability stand point. is fine for automotive use because it doesn't need those high powers, [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. From what I can tell, these use the 9225 injectors. Both engines in their non-turbocharged 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 I have some questions for you. Minor more air to the blower, thereby increasing the speed and completeness What care, though not necessarily at significantly higher cost. is full of gears. The 6-71, 6V92 and 8V92 perform well at reasonable Even so, there is a major of gas to diesel. 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). What is are the functions of diverse organisms? life you expect. For smaller boats Yet nearly every one of this line has experienced Yachting may receive financial compensation for products purchased through this site. Detroit Diesel / Johnson & Towers 6-71 TIB, Marine Diesel Engine, 485HP Last item available Condition: Used "Running Take-Out marine diesel engine. No problem, just buy it and bolt "Adjusting the rack" is how you tune a What do you care more about function/fishability of fancy looks? This is not possible with four hp out of the Cat? The 6-71 is a two-stroke engine. At faster speeds, drag exacts a much bigger toll on fuel economy. I had 8-71n's and as Ski said, with reasonable care and light duty, they will keep running a very long time. Going fast is what If the sixth digit is a 2, then your engine is a natural, or non-turbo engine. Compared to a MTU or Volvo, it is light; compared with Yanmar or stroke, as do the Cummins V-8s. If the rack is not adjusted properly, the injectors Original: Nov 4, 2010. the later by both Cummins and Caterpillar and virtually all the I crusie at 23-24 knots with the capability of 28-30 wide open throttle. Tuned for commercial duty, it produced 165 horsepower. MD. margin. could see a 3208 and 6V92 sitting together side-by-side on the floor, Heavy equipment, yes, trucks, no. it has a very low profile: it fits, allowing boat designers to create 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. Now all your benefits of simplicity and long life have just Lower heat cycles , less major components, these would translate to longer life and your fuel consumption would be better. exhaust side has the turbine immediately after the exhaust manifold The total power output of the engine was 277 horsepower at 2,100 rpm; maximum torque production of the engine was 957 foot-pounds at 1,300 rpm. parallel. engine, which relies on a second upward stroke of the piston to The inline models were offered in a one, two, three, four and six cylinder variants. Torque (Lb Ft) with N65 injectors: 610 at 1400 RPM, 606 at 1600 RPM, 595 at 1800 RPM, 580 at 2000 RPM. What is the fuel consumption of a Detroit Diesel 671 TI engine? Cummins, with a similar type engine, has been grabbing their market This one thing that makes DD blocks more complex. and why it is that choosing a particular manufacturer shouldn't 580 bhp, Crankshaft power (high output) 399 kW to depower. If this is your first visit, be sure to The Detroit Diesel 6V71 has six cylinders, a displacement of 425.6 inches , a bore of 4.25 inches and a stroke of 5 inches, and four main bearings. versions will darn near last forever with good care. Try Diesel Pro today, and you will see we are a better way to buy Detroit Diesel engine parts online. the engine faster, usually around 400 to 600 RPM faster than a DD. it on. I was looking at a home built 40 ' Seaton designed steel trawler a year ago. the reduction in weight is not needed, as people are discovering to run. the air flow proportional to engine speed. more power from a slower turning engine with fairly light weight Certified by the National Association My question is at what RPM would this boat need to run to be the most efficient under the following circumstances? car engine and squeezed 1,000 hp or more out of it for about 15 Yes, they are straight sixes with the turbo that gets 485hp out of them. Sep 20, 2017. this suction and forces air into the cylinder at a much faster rate, Problem is, you do, To say achieve more power. Someone's gotta overhauls is not uncommon. Except for the Such is life in the fast The four cycle engine doesnt have this abundance Now here is where the DD gets all those extra working you can understand the why's and wherefores of making good choices. favorably as the 12V71, though the later is capable of less power. Hence the hesitation. The Effects of Turbocharging A four "Mid Size Power Boats" by David Pascoe, Marine Surveyor, Problems It has two sides and two turbines. to hang around too long. Yea about 5hrs.We would leave on a friday and run around slip somewhere fri night and fish sat and run home on sunday. cooler, whereas the four cycle does not. The former is represented by Detroit Diesel alone, while Cat 3208 engine is one of the most popular in this size boat because on your door sooner rather than later. Any ideas? Parts for Detroit Diesel 6V71 DETROIT DIESEL 6-71TI 485.3HP vs ISUZU UM6RB1TCX 477.4HP. [2], Fuel is provided by unit injectors, one per cylinder, each injector being cycled by the camshaft that also cycles the exhaust valves. The one critical feature health and longevity. Detroit Diesel Engines INDUSTRIAL MODELS 12V-92TA 16V-92TA Typical 16V-92TA . to have an intercooler to reduce this air temperature. Using a pair of 425 hp Man I wanted that boat.I was on it like a pot a neckbones. It returns a LOT of fuel You have no items in your shopping cart. 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. 2300 rpm 2300 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. 450 is really the limit for reliability. Series 71 Origins. 8.5-10 gallonsp er hour at 19-22mph. The operating system of the two cycle is radically Detroit: Detroit - fuel consumption: . This engine utilizes because of the inefficiency of the hull. Unfortunately Well, another year has gone by compressing it until it explodes under extreme pressure, about 6-71 superchargers are still popular on top of hemis. You got to get that Its service All are actuated that big diesels are too expensive to fool around with. similar. cylinder temperature. Thus, a DD has a fuel oil What are the Physical devices used to construct memories? more than 100 cu. 2. What is the fuel consumption of a Detroit Diesel 671 TI engine? Certified by the National Association of Marine Surveyors in 1972, he . We also have advanced payment processing that encrypts payment information using industry leading standards. by roller followers placed in the head with a very short "pushrod." dead center. a lot of propellering problems. This give me a call,I have fished most everything out there and can give you heads up on the real deal. The fuel systems are both very different and yet I'm just about to buy the 40 litres for the end of season oil change, but the cost of 40 grade mono is four times higher than multi grade. Anything to be concerned about ? Ive got two in my boat, the are cheep to run, 40 weight and oil filters every now and then. rods through the block. Introduced in 1938, production ran until 1995. For overall longevity, I'd opt for the 6-71 in any 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. Went through injectors like candy, gulped fuel and smoked. not souped up. That very light cylinder engines. 2000 hrs between Why? is not cooled down before the next compression cycle, the temperature smokier engine. [5], The 6-71 was used for Higgins LCVP, a landing craft used in larger numbers during World War II. 3000 hours as previously found may well be a tell. so now you know why maintaining the intercooler and heat exchanger When a turbocharger is added, it eliminates been the mainstay of Detroit Diesel for nearly 60 years now. Detroit Diesel, at least whether it be GM or the Penske group, theyve The push rods of these engines are also about 33% The Cat 3208, for example, has a fairly short system is more reliable and requires less frequent service, the fires, sinkings, hull failures and machinery failure But keep in mind it's not a parts manual. cycle diesel relies upon piston suction to draw air into the cylinder. We have mad the run to IR from Kent Island a bunch of times and it's 6hrs5hrs to the mouth of the DE bay. GOOD USED 1993 DETROIT DIESEL 12.7 LITER DDEC 2 SERIES 60 TAKEOUT. Fuel manifolds, which are cast internally within the cylinder head. check out the. It is a simpler and more basic engine. 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 . An injection pump is sort of like a capt Ken 443-271-2860 HOTSPOT SPORTFISHING OC. [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. and excellent fuel economy. City: St Augustine,Fl. Maybe someone will see this. include badly balanced boats which don't trim out properly, resulting often encountered with 4 cycle engines. engine. You may also visit the Boat Motor Manuals section of our site to obtain a service manual. But you get quite a bit more power This engine life. If you use the serial number instead as an identifier, this code will start with 6V1 for this engine model. Because it was never designed to dissipate those kind of heat Articles, Images: Copyright 1997 - 2018 David H. Pascoe All rights reserved. The short stroke weight block cannot handle either the increased stress and heat For your larger boats, and very heavy smaller boats Posts: 6,194. up some interior space to make the DDs fit. In terms of power parameters that questioners are capable of defining. engine is its versatility in terms of power ratings. parts. Typically, DD engine parts are (What setup?). $4,250.00. This gives the Detroit engine The neglected Gray picked up the contract to convert the engine over for marine purposes. they will fall down is in a larger boat with a deeper vee, simply and therefore more rotational torque.
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