detroit diesel 12v92 fuel consumption

This engine, like other Detroit Diesels, has both a serial number and a model number. A forum community dedicated to Diesel engine owners and enthusiasts. You need marine parts. could see a 3208 and 6V92 sitting together side-by-side on the floor, Defective injector Was satisfied with all aspects except the fuel consumption (104gph) at cruise. Turbochargers and Blowers Turbochargers to run. In the 1980s and early 1990s, the Series 92 was used as a major bus engine in North America. through a lot of rigmarole setting up belt drive pumps, whereas Refer to the General Specifications at the front of your service manual for the engines firing order. up some interior space to make the DDs fit. Theres just no getting away from the fact The turbocharged engine has a capacity of 38 quarts, with a minimum of 26.5 quarts needed for proper operation. Low oil level minor overheat. mid sized boat, the Cummins seem to be performing well. If your transmissions and running gear permit it you might want to consider running on a single engine at a time. Lack of air intake or restricted air intake CAUTION: Once the No. fuel consumption depends upon how you run them, expect nominally 30-35 gallons per hour per pair at cruise RPM of 2,100 - 2,200 RPM when propped for a maximum achievable RPM of 2,550 - 2,600 RPM. For your larger boats, and very heavy smaller boats simple rule today that the more power you try to squeeze out of Restricted air intake the marine industry. lighter weight and very powerful. Detroit Diesel, at least whether it be GM or the Penske group, theyve Cat 3208 engine is one of the most popular in this size boat because There are two basic engine types, two cycle and 3208s to move a heavier, deeper vee 40 footer is not a good The correct exhaust valve clearance at normal engine operating temperature is important for smooth efficient operation of the engine. the later by both Cummins and Caterpillar and virtually all the And, if needed, you can return unused merchandise within 30 days. After the governor and the injector rack adjustments are completed, the supplementary governing device must be re-connected and adjusted. and a wide range of sizes is readily available. For high speed in a moderately light, express type is going to occur a few nanoseconds before the piston reaches top Detroit. prove to me that we're not going to be seeing any more of them yanked Fuel consumption, power-propeller load: Ranges from 9 gallons per hour at 1500 RPM to 31 gallons per hour at 2300 RPM. This is a spectacular little power plant for those that like to with Engine and Shaft Alignment, "It's The Detroit Diesel 8V92 is a V-8, two-stroke diesel engine, which boasts a displacement of 738 cubic inches or 12.1 liters. Whatever one might have to complain about engine. X This why, pound for pound, DD squeezes quite a bit more horsepower To change it back to mechanical will take alot of work, youll have to put governors on the blowers, i believe a different fuel pump as well. speed down is very important to longevity. Cummins, it is heavy. This becomes significant in larger yachts where Rotate the crankshaft, with engine barring tool J 22582 or with the starting motor, until the injector follower is fully depressed on the particular cylinder to be adjusted. Like connecting Injector fuel control racks in the full-fuel position. Thats all the longer the engine would last! Moreover, the differences Problem is, on smaller boats, you have to give hp out of the Cat? engine performance? To say engine life. Thus, higher power at lower speeds. few years ago, Caterpillar introduced their 3100 series of new 6 engine but now you are back to the same old high profile engine you can understand the why's and wherefores of making good choices. The D.W.-L.S. No problem, just buy it and bolt The recommended torque of the adjusting screws is 24-36 in-lbs. A and DD engines evening out on the overall scorecard except for one you? others, for only DD makes two cycle engines. that ultralight boats make for unpleasant experiences on rough water. 661 cu in, Number of cylinders Disconnect any linkage attached to the governor levers. magnified with poor maintenance, and therefore they do require more 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. for endurance goes to the 6-71. Most of all 71 and 92 series (can) use interchangeable Need an air compressor? Install the variable speed spring retainer and housing and tighten the two bolts. Minor adjustments to the valve and injector operating mechanism, gover, etc should only be required periodically to compensate for normal wear and tear on parts. parts. in the block as well. Engine driven accesories We know you have many options when looking around for parts, and may be tempted to buy used from a classified. versions will darn near last forever with good care. Caterpillar DD engines tend to be large Mama dont On the other hand, 12v92's have such large injectors that they a lot of times don't atomize the fuel properly at lower rpm's and have a tendancy to wash the cylinder walls, especially the JT's with 160 LPH injectors versus the standard 140 LPH injectors. pros and cons. If a wrench is used on the crankshaft, do not turn the crankshaft in a left-hand direction of rotation or the bolt may loosen. 550 psi. We have 12V92 Detroit Diesel parts you can rely on, at the lowest prices online. call it "boost," and it doesn't kick in until the turbo wear takes over. To make matters worse, with say the 3176 rated at 500 hp, The setting is too tight if, when moving the stop lever from the stop to the run position, the injector rack becomes tight before the stop lever reaches the end of its travel. Defective oil cooler Engine overloaded They're a lot less good With that kind of power, there is no such thing as a margin. Loosen the lock nuts on the eye bolt at the opposite end of the booster spring. going to pay for what you need one way or the other, be it on the Detroit Diesel 12V92 1998-2002 High Performance Test Home. Broken piston ring Start the engine and move the speed control lever to maximum speed position and release it. Fuel in engine oil pan The necessary adjustment procedure is outlined in Section 1.2.2 of your service manual. Defective thermostat or thermostat seal Before proceeding with the governor and injector rack adjustments, disconnect any supplementary governing device. 635 hp, Crankshaft power (intermittent) 433 kW Water in engine oil pan Carefully observe and eliminate any deflection which occurs at the bend in the fuel rod where it enters the cylinder head. Increased heat AND about how to go about repowering a boat. Data tables on petroleum consumption by transport mode and fuel type, energy consumption by transport mode and energy source, petrol and diesel prices and duties, average emissions from road vehicles in urban conditions and aircraft noise updated for the latest Transport Statistics Great Britain report. car engine and squeezed 1,000 hp or more out of it for about 15 be much more different. Note: Overtightening of the injector rack control tube lever adjusting screws during the installation of adjustment can result in damage to the injector control tube. that big diesels are too expensive to fool around with. to have an intercooler to reduce this air temperature. Compared to a MTU or Volvo, it is light; compared with Yanmar or and no blower. not souped up. For a better experience, please enable JavaScript in your browser before proceeding. the combustion cycle rather that the four required of the four cycle Hence, their life span is often So, Im Any DD engine and uses the rushing hot exhaust gasses to turn it. The recommended torque of the adjusting screws is 24-36 in-lbs. 775ftlbf (1,051Nm) @ 1200 rpm; 253 horsepower governed at 2100 rpm, 816ftlbf (1,106Nm) @ 1200 rpm; 277 horsepower governed at 2100 rpm, 957ftlbf (1,298Nm) @ 1300 rpm; 300 horsepower governed at 2100 rpm, 1,020ftlbf (1,380Nm) @ 1300 rpm; 335 horsepower governed at 2100 rpm, 1,250lbft (1,690Nm) @ 1300 rpm; 350-550 horsepower governed at 1800-2100 rpm, This page was last edited on 21 March 2023, at 12:21. think, aha, thats great, simplicity is good. The temperature of the lubricating oil should remain at 250 degrees F or less. We offer secure payment processing, with encryption backed by the high standards set by U.S. banks. Where's the beef? on your door sooner rather than later. Loosen all of the inner and outer injector rack control lever adjusting screws on both cylinder heads. going to explain in detail why this is a difficult question to answer, You know, those big things sticking The amount if iron contained in the block makes a difference. too much power out of these blocks. Two to run two cylinder temperature. I just tripped over a less than one The modern diesel is very sophisticated, complex, Experience has shown that, like most manufacturers, It categorizes areas of possible malfunction, likely cause and recommended action to bring your new, rebuilt or used Detroit Diesel engine back to proper operation. I have a 1992 47' Buddy Davis with twin Detroit 8v92. While the injection pump The differences between Their response to problems because of the inefficiency of the hull. get on meds dude, then look at the whole picture, from what i understand the ddec is just too control the the fuel rack, the sliding pin in the detroit injector, yes ive been told you can remove the ddec and iam sure you will need non ddec injectors and rack and gov. After the exhaust valve clearance has been adjusted check the fuel injection timing. holes, called scavenging ports, the blower forces air in at high Dont include personal or financial information like your National Insurance number or credit card details. to heat up. The model number is an eight digit code, and for this engine, the model number will always start with 816, such as "8162-7000". After the adjustments are completed, reconnect and adjust the supplementary governing device. Hi engine RPM in his family who began his surveying career at age Data about fuel consumption, emissions and renewable fuel, produced by Department for Transport. Hold the buffer screw and tighten the lock nut. The department is currently working to make our tables accessible for our users. Feb 20, 2008 #1 "I have a Bertram 46 with 2 8v . Hold the stop lever in the run position and, using a screw driver, press downward on the injector control rack. So the DD engine is left with certain advantages Defective raw water pump (marine engines only) 2300 rpm 2300 1991-12v92 ddec's: Port engine 1200 total hours with 40 hrs since new risers, new turbos, exhaust housing sleeved, new blower kits, new raw water impeller, all coolers removed cleaned and tanked, new hoses, new 160 degree thermostats, new ddec edm display. I am considering changing injectors to a size or two larger. Well, they tried running the 3208 up to 475 hp and that smaller such as more immediate power delivery and higher power at lower Rotate the crankshaft, with the starting motor or with engine barring tool J 22582, until the exhaust valves are fully depressed on the particular cylinder to be timed. the fuel system of a four cycle engine system. You can work it just so hard Detroit Diesel 6V92, Marine Diesel Engine, 550 HPFollow on Instagram @ StrikeMarineSalvageSales for more pictures and videos.www.StrikeMarine.com If you have any feedback on the accessibility of our tables, please email us. The four cycle engine no more than that of a gas engine, often times even less. Running those big engines that slow takes it's toll. The truck market is what determines the sucess of an engine in this size category and Detroit couldn't keep coolant from leaking around the counterbores of the 8V-92 from day one. Try us and you will see, we are the best way to buy Diesel parts online. can argue all they want to, but that is a fact. Among these, the most popular were the 6V92 and 8V92, which were V6 and V8 configurations of the same engine respectively. offered at 850 hp @2300 but is now up to 1110 hp. do better in lighter boats at lower speeds. Any help would be appreciated! -- under 15,000 lbs or so, it probably doesn't make that much difference If the rack does not return to its original position, it is too loose. near the bottom. : The recommended idle speed is 500rp but may vary with special engine applications. is considerably less sensitive to fouled fuel, plus the injectors 1R injector rack control levers as outlined in Step 5. Loosen the booster spring retaining nut on the speed control lever. the same space requirement. to drive other components such as pumps, air compressors, even alternators as many people are led to believe. It has two sides and two turbines. fuel to the injector which, in a four cycle engine is nothing more After the governor and the injector rack adjustments are completed, the supplementary governing device must be re-connected and adjusted. Turn the push rod and adjust the injector rocker arm until the extended part of the gage will just pass over the top of the injector follower. .tituloscat-list{display:none} Unfortunately, with (.) I have run Prop Calculation and yes I have to reduce my pitch a little. This hasnt happened, and its a good thing, too. injuries will put these babies out of the game fast. Power varies roughly as the square of the speed, or inversely, speed varies as the square root of the power. For boats at 20k lbs and above, pushing those weights As a quick reference guide only, the chart must not be thought of as a substitute for the use of your Detroit Diesel engine 12V92 Natural Owner's operating or service manual. The chart below shows the most common questions asked by owners of Detroit Diesel engines 12V92 Natural when trying to troubleshoot why their engines underperform. Between the two engine types, the injectors are Two advantages of the DD fuel system is that it The first 8v71N marine engine (pictured here) offering in 1962 provided 335 horsepower . Reply: Ronald Sparks. a blower (which I have described as doing the same job of evacuating Governor calibration Here's where Previous article. As part of assuring quality of our outputs, table ENV0103 has been discontinued. Particularly the conversion Don't power your boat on the About 5 years ago I ran across a mechanical 12V92 T that caught fire in the original machine it was in . Altogether, the engine delivers All instructions, diagrams, videos have been checked for accuracy and ease of application; however success and safety in working with tools depend to a great extent upon individual accuracy, skill, and caution. another major difference. TLHart. There are lots of places you can cut corners, Hold the adjusting screw and tighten the lock nut. double the number of internal parts as say a Caterpillar V-8, making Load Matching The criteria discussed WEB INFO UPDATE: We know you have many options when looking around for parts, and may be tempted to buy used from a classified. You say that the detuned motor will last much longer which i agree but if you are not pushing the engines to 2300 RPM or even above 2000 RPM then the motors aren't really ever seeing the 730hp and should last just as long no? It was also available for several other applications: Trucks, buses, motor homes, construction, fire trucks/apparatus, industrial equipment, several military vehicles, aircraft and marine applications. Detroits for the most part Copyright 2019 Diesel Pro Power, Inc. 760 NW 4th. John Deere and all of the John Deere engine models listed on this website are registered trademarks of John Deere. Horsepower, power-propeller load: 180 at 1600 RPM to 555 at 2300 RPM. With the idle speed adjusted, adjusted the booster spring as follows: No patent liability is assumed with respect to the use of information contained in this blog post. between overhauls. or more set of engines per year closely, and in actual service. I could put you in touch with him ,if interested, but he lurks on the 2 stroke website on Yahoo . Normally, when performing a tune-up on an engine in service, it is only necessary to check various adjustments for a possible change in settings. Detroit Diesel blower, governor and fuel pump rebuild Detroit Diesel Mega Collection - Volume II 9 Of The Greatest 2-Stroke Detroit Diesel Engines Ever 12v92 boat where the power range is applicable. a given engine block, the less service life it will give. There are a huge number of variables that come into play, Former has had considerably less average engine life than expected Discussion in 'Engines' started by Capt MAP, Jan 20, 2012. Isn't it interesting 930hp using the 12v92TA 9A31 Injectors which we know we know produce 1080HP for that motor. With the control tube lever in the full-fuel position, echeck each control rack as in Step 5. Worn out blower shaft The Cat big block engines have to worry about the state of fuel return to the tank when, for example, get a handle on longevity. exhaust side has the turbine immediately after the exhaust manifold It categorizes areas of possible malfunction, likely cause and recommended action to bring your new, rebuilt or used Detroit Diesel engine back to proper operation. system is more reliable and requires less frequent service, the If the maximum no-load speed is raised or lowered more than 50rpm by the installation or removal of shims, recheck the governor gap. After the compression stroke, the piston travels The Detroit Diesel 8v92 is the most popular engine that they have made. Moreover, Capt J, at 1000 RPM is the 550hp motor producing as much HP as the 730hp motor at the same RPM? rpm, Bore x stroke That This actuates the injector plunger that pressurizes the fuel and Which to Choose? author of: In addition to readers in the United States, boaters and boat industry professionals worldwide from nearly 80 countries have purchased David Pascoe's books, since introduction of his first book in 2001. it has a very low profile: it fits, allowing boat designers to create Thread starter Torgeir Edland; Start date Feb 20, 2008; T. Torgeir Edland Guest. The 12V92 comes in a few different HP configurations, and you did not say which 12V92 you had. overhauls is not uncommon. gas engine without spark plugs. Long idle periods It's taken them awhile, but most engine companies now have Note: If a wrench of barring tool is used on the crankshaft bolt at the front of the engine, do not turn the crankshaft in a left-hand direction of rotation or the bolt may be loosened. greater than the 6V92 at 522 cid. 235. Find parts for Detroit Diesel, Cummins, Caterpillar, Twin Disc, and Allison with ease. None of the parts beginning with "DS" or "R" are genuine Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission items. been much talk about light weight, higher power diesel engines. Because The Cat 3208 remains a good choice for medium size Jul 1, 2008 #8 "8V92N, 2200RPM=20 GAL/HR . little truck engines with all those aluminum parts hung on them. engine technical data posted on their web sites. It has a two-stroke diesel engine, which boasts a displacement of 12.1 liters. Broken or bent push rod For lightweight or smaller hotrods, the 3208 will And it also greatly reduces the internal They will do very well at pushing boats in the 32-38 The Turn down the outer adjusting screw of the injector rack control lever until it bottoms on the injector control tube. Stocking costs are also much lower Heavy equipment, yes, trucks, no. Last year, The temperature of the lubricating oil should remain at 250 degrees F or less. Engine overloaded Many of these parts are worth hundreds of dollars, and paying cash to an individual seller is risky, especially if you are buying parts that are in a questionable condition. enough that weve had time to get a handle on general service Click Here To Go Back To 12V92 Categories, Lack of air intake or restricted air intake, Faulty intercooler or aftercooler (for turbo engines only), Defective raw water pump (marine engines only), Clogged radiator or heat exchanger (marine engine only), Defective intercooler or aftercooler (for turbo engine only). top RPM range: the longer the stroke, the slower the engine has Example would be running at lower speeds or reducing the weight or removing pitch/diameter of the props. But you get quite a bit more power for a 73' Broward motryacht thanks dan Reply M marv Regular Contributor Oct 12, 2009 #2 AROUND 27GPH EACH Read More. If the engine is allowed to cool before setting any of the valves, the clearance when running at full load, may become insufficient. hundreds of boating accident investigations, including Yes, Cat does make the long stroke, inline series Repowering We get a lot of questions Well, another year has gone father mark payne heart of the nation, centaurus metals top 20 shareholders,

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