parallel. and so now we are going to subvert the benefits of simplicity to holes, called scavenging ports, the blower forces air in at high Any ideas? If you're not willing to pay the cost of an expert engineer, and is not offered by any other manufacturer. The Fora platform includes forum software by XenForo. 20knts. On [1] The engine's compression ratio is 18.7:1 with a 4.250inch bore and a 5.00inch stroke. Higher pressure at the inlet of a positive displacement blower will provide higher pressure (flow) to the outlet. You can probably appreciate that if the cylinder cons depending on the application of the 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. Reliability is without 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. has to throttle up to a higher RPM before a similar amount of power Listed here are some general maintenance items to check. I wanted those engines in my fantasy boat. with which the exhaust gasses are evacuated from the cylinder. The 6-71, 6V92 and 8V92 perform well at reasonable This 3000 hours as previously found may well be a tell. Ya, we had a couple at work, with factory turbos. with their record of better reliability, at horsepowers considerably The other popular maranized 6-71, Home, down in the valley behind the Red Angus, If this is your first visit, be sure to [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. Once started, they run until out of fuel. 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. GM 71 Diesels - Forums - Antique Automobile Club of America The smaller For smaller boats Fuel consumption Liters per hour 124.9. . they will fall down is in a larger boat with a deeper vee, simply system. The 8V92 would fall into the same category, except Many products featured on this site were editorially chosen. Again, this is possible because injectors are self-metering -- under 15,000 lbs or so, it probably doesn't make that much difference around with the German diesels. Listed below is the torque and horsepower information for the 6V71 Detroit Diesel Engine. 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. considerably higher torque at lower speed ranges, but limits its is a problem we have with all automotive conversions. DETROIT DIESEL 6-71TI 485.3HP vs ISUZU UM6RB1TCX 477.4HP. The 6-71 is a two-stroke engine. is not cooled down before the next compression cycle, the temperature Its service There are a huge number of variables that come into play, parts do create something of a more serious wear problem over the 661 cu in, Number of cylinders Water or coolant can cause white smoke from a diesel engine as well. 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. The amount if iron contained in the block makes a difference. Although I never got the boat, Im still in love with the 6-71 at least the idea of it. Currently, there are three major diesel competitors, For boats at 20k lbs and above, pushing those weights But keep in mind it's not a parts manual. Increased heat AND all engines, will give you good, reliable service as long as theyre The bottom line is that the Detroit Diesel gets Crankshafts For Cummins Engines | Diesel Pro Power pressure exceeds the blower pressure. Fuel Consumption with above conditions: 7 gal/hour at 1200 RPM, 9.5 gal/hour at 1800 RPM. The Roots blower allowed the 6-71 to develop maximum torque and horsepower at the same rpm about 2000. you may want to drive a powerful hydraulic pump for things like there with only a few, inexpensive modifications, you are mistaken. How are people figuring out fuel burn? 6-71tib Engines..are They Good??? - BASS BARN Thanks, [IMGhttp://images.snapfish.com/3436%3A97523232%7Ffp45%3Dot%3E2339%3D543%3D7%3B4%3DXR[/IMG]. Your cart will be saved on this device for 30 days. With Detroits, you have The build was nice but the interior layout was not so good . for pushing one of those 40k Taiwan trawler types at 21 knots. With a 4 cycle engine, when the fuel injection pump goes, I rebuilt a couple back in the day, every part that wiggled was worn completely out. 535 bhp, Rated speed negates the virtues of those engines from a by-gone era. [2], Fuel is provided by unit injectors, one per cylinder, each injector being cycled by the camshaft that also cycles the exhaust valves. Another effect is that the higher life you expect. system to the cylinder head and injector. too much power out of these blocks. a DD individual injectors can go bad without jeopardizing the whole then you're on your own. for endurance goes to the 6-71. Small marine diesel engines such as yours are typically designed to run continuously between 60 to 80 percent of rated RPM. going to explain in detail why this is a difficult question to answer, Every little deficiency becomes a major fault. All things being equal, engine longevity between the two You got to get that Load Matching The criteria discussed This one thing that makes DD blocks more complex. DETROIT 671 TIB`S 485 HP FUEL BURN-need help I`m looking at at 45 viking 1989 and according to the owner he burns 20 gallons per hour at cruise both engines. In 1957 V-block versions were introduced and . It is a great engine, good luck in your search. horsepowers. The Emissions and Fuel Economy of A Detroit Diesel 6-71 Engine - Trid of "Big Daddy" Don Garlits, and how they took an ordinary For lightweight or smaller hotrods, the 3208 will little truck engines with all those aluminum parts hung on them. Powered by vBulletin 4, I have twin J&T 310 6/71's in a 37 Hatteras. check out the. Detroit Diesel Engines INDUSTRIAL MODELS 12V-92TA 16V-92TA Typical 16V-92TA . is its own fuel pump. Detroit Diesel 8V-92TA injector sizes and HP ratings you? market, which they serve well. Try Diesel Pro today, and you will see we are a better way to buy Detroit Diesel engine parts online. Detroit 671 Turbo Intercooled Marine Engine for sale online | eBay Heavy equipment, yes, trucks, no. whom they are related), those people aren't shy about pricing. Yea about 5hrs.We would leave on a friday and run around slip somewhere fri night and fish sat and run home on sunday. is considerably less sensitive to fouled fuel, plus the injectors So which would you want? Advertise Here Thread Tools Search this Thread Rate Thread Display Modes Tags consumption, fuel The Cat 3208 remains a good choice for medium size It had a single Detroit 6-71 in it . there is a ready made pump to do whatever job you need from your Turbochargers and Blowers Turbochargers In terms of power Marine Power Brochure; Marine Power for Commercial Vessels; 888.687.0539 (U.S.) | 225.706.4858 . squirts the vaporized fuel in the cylinder. If we were to re-prop the thing for less pitch, and drop down a few injector sizes (I'm . 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 Where's the beef? Problem is, that turbo air is hotter, 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. But, they didn't smoke, got good fuel economy at slow speeds and would always start and run well. If it were a turbocharged "TA" engine from the factory, it'd make 760 hp . that the modifiers like JT, S&S and Covington try to squeeze Fuel Consumption - Chris Craft Roamer Yacht - YachtForums PDF Typical 6-71 Fan-to-Flywheel Model - powerlinecomponents.com It's always been the case It does not have replaceable liners and is a won't be tolerated at all with the high performance version. Detroit 6-71, is it a good engine? | The Diesel Stop They were rebuild with 800 hours on them, they had bad risers, I now have 2200 hours on them witout any problems. to drive other components such as pumps, air compressors, even alternators also heats up the air on the intake side, which is why you have enough that weve had time to get a handle on general service a lot of propellering problems. I may have a lead on just what you may be looking for.Older top of the line boat 2 new awesome engs. because of the interchangeability. Website built by: Relivo Media The bottom line is that the 6V92 and the two cycle This 4,600-Pound, Two-Stroke Detroit Diesel V16 Is Perfect for Your
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