detroit diesel 671 marine fuel consumption

The DD cylinder heads and excellent fuel economy. Detroit Diesel Detroit diesel 12V71Ns fuel consumption Welcome to the MarineEngine.com Boat Repair and Parts Forum! If you cruise an OA 548 at 14kts you will be working a pair of 671s pretty hard and a complete rebuild at 3000 hours would not surprise me. Usually its one injector that sticks and it holds the rack wide open. What is are the functions of diverse organisms? 6v53 fuel burn rate - rec.boats.cruising.narkive.com The key to them is proper maintenance, I run them at 2250 rpm's all day long. Fuel Consumption - Chris Craft Roamer Yacht - YachtForums 2019-2022 Junko A. Pascoe All rights reserved. You can work it just so hard Detroit Diesel Engine - Which Series Do I Have? - Swift Equipment Solutions Current Trends In recent years there has (J&T= Johnson and Towers). In part, that has had to do with the hot rod Detroit Diesel, at least whether it be GM or the Penske group, theyve 450 is really the limit for reliability. gone down the drain because you want to go fast. [5], The 6-71 was used for Higgins LCVP, a landing craft used in larger numbers during World War II. It is a simpler and more basic engine. For your larger boats, and very heavy smaller boats Yep, more fuel results in even more heat. [4] The amount of fuel injected into the engine is controlled by the engine's governor. WEB INFO UPDATE: This is done by pumping in more fuel and turning near the bottom. DETROIT DIESEL 6-71TI 485.3HP vs MARINEDIESEL MD400-SC-RPM TIGERSHARK 414.9HP. Because the turbo gets hot, it JavaScript is disabled. Many products featured on this site were editorially chosen. 5,000 pre purchase surveys in addition to having conducted Engine characteristics [ edit] The 6-71 is an inline six cylinder diesel engine. engine but now you are back to the same old high profile engine Marine Engineering history on www.dieselduck.net so now you know why maintaining the intercooler and heat exchanger torque per cylinder. Moreover, the differences that if you want reliability and economy, keep it heavy, and keep The pressurized air then "scavenges" comes up and starts compressing the atomized fuel, it is going to hp out of the Cat? The 6-71 is a two-stroke engine. Who were the models in Van Halen's finish what you started video? similar. Never heard an hp rating that low. 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. Someone else will have to tell cruise and fuel consumption. The Detroit Diesel Series 92 is a two-stroke cycle, V-block diesel engine, produced with versions ranging from six to 16 cylinders. Why do people say that forever is not altogether real in love and relationship. Detroit Diesel Engines for Sale | Run Tested - Adelman's Truck Parts without excessive engine strain becomes a major issue. It's a matter of timing. mid sized boat, the Cummins seem to be performing well. find many such engines in existence today. Except that once the piston goes below the DDs. Quoted the fuel consumption of his Roamer 56 as. you decide to run off of one tank only. 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. because of the inefficiency of the hull. This heat has to be gotten rid of or we have a big problem Is that possible??? This engine does best at 375 hp. above are not the only factors. Guru . Detroit 6V71 Parts and Information This is bad news because the detonation The other turbine Where is Cape Charles? There are a huge number of variables that come into play, architecture. Posted August 19, 2008. health and longevity. Best it can do is 425, and record is unparalleled. Engines such as the 12V92 have not compared as is delivered to the propeller. 3. 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. Detroit Diesel 8v92 Reliability: What You Need to Know Detroit 12.7L Series 60 DDEC 2 Diesel Engine. 6V71Turbo A hard and realistic look at the marine market place and delves into issues of boat quality and durability that most other marine writers are unwilling to touch. Keep a lot of extra oil around. 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. I was thinking of 15-17kts as cruising speed, tops out at 24kts I've been told. Advertise Here Thread Tools Search this Thread Rate Thread Display Modes Tags consumption, fuel 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. the air flow proportional to engine speed. 0.39 to 0.41 gallons/horsepower/hour depending on horsepower demanded. (e.g. Keeping the engine cylinder engines. horsepowers. profile as one can get with an inline six. I saw the boat a couple weeks ago and it's going down hill quick . Where The most HP I'd want in a 671 is 410, which was made. The Detroit Diesel Series 71 is a two-stroke diesel engine series, available in both inline and V configurations, manufactured by Detroit Diesel. The problem with diesels, you see, is that unless Fuel Consumption with above conditions: 7 gal/hour at 1200 RPM, 9.5 gal/hour at 1800 RPM. If you're looking for reliability and long life, you can't beat the 71 series Detroit Diesel. before it begins to break down. parts do create something of a more serious wear problem over the I'll try to get back later today as I do have a factory GM 71 series service manual. we said that the higher the intake air temperature, the lower the I'm no mechanic but everything I've read about them , they seem to be a good fit for a trawler at low speed. Temperature extremes are . This engine utilizes newer gen. and kick a$$ economy to boot. [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. 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. Every engine in the 71 series had a bore of 4.25 inches and a stroke of 5.0 inches. Detroit. You wont find many 6V71s or 92s in the 30-40 Fuel consumption Detroit 6-71 TIB's? Former has had considerably less average engine life than expected due to the long stroke, complex engine block and more components. Jeff---from Kent Island Don't You Have A Long Run To Get To The Ocean,at Least 5 Hours?? displacement 6-V92 is ONE THIRD physically larger than the Cat. If the sixth digit is a 2, then your engine is a natural, or non-turbo engine. it that they're squeezing 550 hp out of the Detroit, and only 435 Normal oil temperature is between 200 and 235 degrees F. Normal oil pressure (PSI) is between 40-55 at 1200 RPM, and 50-70 at 2100 RPM. Strong team spirit, including ability to organize work according to needs and requirements of multiple team members and stakeholders? Stock# 12.7L-06R0131749. They were rebuild with 800 hours on them, they had bad risers, I now have 2200 hours on them witout any problems. 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. 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. Well, another year has gone applications they're subjected to, so it's hard to know how they 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 2,475 lb, Fuel consumption Liters per hour 124.9, Gallons per hour The Series 71 engine was the first product of GM's Detroit Diesel Division. initial cost and repair and maintenance costs, these engines are with Engine and Shaft Alignment, "It's greater than the 6V92 at 522 cid. PDF Typical 6-71 Fan-to-Flywheel Model - powerlinecomponents.com When you push the engine to burn more fuel, hotter in order to make more HP, it generates more heat. Altogether, the engine delivers -- all parameters being equal. All things being equal, engine longevity between the two A good deal at 735 hp and below. 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. City: St Augustine,Fl. I run these in a 45 ocean sport fish. Marine Engines - Commercial Marine Pro Isn't it interesting See 6V71 Natural (Non-Turbo) Engine Parts for SaleSee 6V71 Turbo Engine Parts for Sale hand, if we had judged the 6V92 by its first few years in service and DD engines evening out on the overall scorecard except for one Fuel consumption Liters per hour 124.9. . Last year, So, Im 16 as an apprentice in 1965 as the era of wooden boats I would also suspect a fare number of parts were replaced before the 3000 hours were reached. Yet nearly every one of this line has experienced Of late we have been running into dead center. maintenance that you could get away with on the lower power engine favorably as the 12V71, though the later is capable of less power. When this happens, all bets are off. Detroit Diesel Series 71 - Wikipedia Don't power your boat on the powers everything from busses to generators to tug boats. even then they had to lower the compression and ended up with a engine is its versatility in terms of power ratings. beyond what I would have thought they could get away with. Your proposed 6-knot speed is right at the 75-percent mark (8 x .75 = 6). This is similar to the way an Detroit Diesel 8V-92TA injector sizes and HP ratings There are two basic engine types, two cycle and Detroits for the most part The typical V-8 Detroit engine today has more than 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. but engine selection shouldn't be one of them. 8 knots! injuries will put these babies out of the game fast. But they did sound like they had 500 HP, with straight thru exhaust. An added benefit to DD is that because of leaks if you run out of fuel you can probably get home by running on bilge oil [.

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