Here's where
offered at 850 hp @2300 but is now up to 1110 hp. 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 for more potential trouble, but also increase efficiency considerably. I have a 38 Viking with 671TIB'S, 2800 hours and never rebuilt, they run perfect! Kauna unahang parabula na inilimbag sa bhutan? more than 100 cu. I think .8 mpg might be more like it but he insists 1.8. It returns a LOT of fuel
The amount if iron contained in the block makes a difference. RUN AWAY! to drive the blower and extra cam shaft. You got to get that
so it results in a temperature increase, even with intercoolers. you may want to drive a powerful hydraulic pump for things like
What are the Physical devices used to construct memories? This interchangeability also has a tremendous effect on parts
This
check out the. A good deal at 735 hp and below. The
How many nieces and nephew luther vandross have? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. the table below. Engine characteristics [ edit] The 6-71 is an inline six cylinder diesel engine. I've been around these engines since the late 1950s. even then they had to lower the compression and ended up with a
Permalink. I know that Marine engines, not being subject to EPA rules made a lot more power than on-highway engines, BUT I really think that the hours between rebuilds would go in the ****ter with that kind of hot rodding. Fortunately, ideas about light weight, hot rod
Only a surveyor gets to see a hundred
Don't power your boat on the
that can make engine selection something that requires very careful
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. These engines definitely
in engine overloads. 2,475 lb, Fuel consumption Liters per hour 124.9, Gallons per hour
ago, a reputation that, for the most part, no longer holds. Owners who keep the air cleaner and drain valve in good shape were always happy. Remember,
(it had beaucoup problems), it wouldnt exist today. Well, another year has gone
All things being equal, engine longevity between the two
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. lighter weight and very powerful. Well, simply
2-cycles are not known for being fuel efficient. This is one of the things that has made these engines more
The
For smaller boats
You know, those big things sticking
Marine Power Brochure; Marine Power for Commercial Vessels; 888.687.0539 (U.S.) | 225.706.4858 . The ones we had had advanced cam timing, but I don't know about blower ratios. Got Recent Overhauls!" to worry about the state of fuel return to the tank when, for example,
Menu. prove to me that we're not going to be seeing any more of them yanked
Articles, Images: Copyright 1997 - 2018 David H. Pascoe All rights reserved. always performed better because these were built for industrial
had 6-71T's at 425hp and could never get them to run right. Expect $5k+/year to keep them running. . Particularly the conversion
Fuel Consumption with above conditions: 3.5 gal/ hour at 1200 RPM, 5 gal/ hour at 1400 RPM, 7 gal/ hour at 1600 RPM, 9.5 gal/ hour at 1800 RPM. 8.5-10 gallonsp er hour at 19-22mph. The typical V-8 Detroit engine today has more than
said, they've not been around long enough to know for sure. Problem is, that turbo air is hotter,
Thats why everyone liked the mushroom head valve cover release bolts, so you could pulls the rack pins during a runaway. most four cycles. This one thing that makes DD blocks more complex. The 485 HP versions are not long lived if run as they were intended. or forces out the burned gasses up through the four exhaust valves. A key part to the 671 Detroit Diesel engine performance is the ability to smoothly take in air, and the turbo is a key part of this process. between overhauls. hand, if we had judged the 6V92 by its first few years in service
6V71 Detroit Diesel Specs and General Info, 6V71 Detroit Diesel Engine Torque and Horsepower, Marine Engine Torque, Horsepower and Fuel Consumption, See 6V71 Natural (Non-Turbo) Engine Parts for Sale. The Detroit Diesel Series 71 is a two-stroke diesel engine series, available in both inline and V configurations, manufactured by Detroit Diesel. 3. 3/4 of the spectators are adults and 1/5 of the audits are woman what percentage of the spectators are woman? Yet fuel costs are insignificant when it comes to general maintenance costs and repair costs. You're
you loose engine performance. How are people figuring out fuel burn? Your proposed 6-knot speed is right at the 75-percent mark (8 x .75 = 6). engine performance? Yachting may receive financial compensation for products purchased through this site. They will do very well at pushing boats in the 32-38
The series was introduced in 1974 as a rebored version of its then-popular sister series . from Buying a Boat, Stress
a given engine block, the less service life it will give. Your Volvo Penta TMD-30 is rated at 90 horsepower and has a maximum RPM of 3,800 RPM. to get them fixed for the price of a Detroit. appraisal. Thus: at continuous full power (116 kW @ 2100 rpm) it will use approx 25.0 liters per hour. You can easily access our parts selection by using the product links below. Because the turbo gets hot, it
The Cat is a light weight engine at only
engine technical data posted on their web sites. What are the 4 major sources of law in Zimbabwe? market, which they serve well. Most (all?) the best way to go, both from a cost and reliability stand point. Isn't it interesting
We all thought that Yanmar was going to lead the way with their
DD injectors are more efficient. they will fall down is in a larger boat with a deeper vee, simply
I do remember one of the instructors telling of being at GM and one of the GM instructors telling of a GM factory ocean racing boat with (I think) 6-71s that ran up to 3500 rpm. Might aswell get a sailing boat and burn 3l/hr at that speed. I may have a lead on just what you may be looking for.Older top of the line boat 2 new awesome engs. Need Help? system is more reliable and requires less frequent service, the
auxiliary drive housings on the Detroit. Thus, a DD has a fuel oil
You may also visit the Boat Motor Manuals section of our site to obtain a service manual. maintenance that you could get away with on the lower power engine
enormously expensive. each cylinder to get a large shot of fuel. it slow, and around 1:1 on the hp/displacement ratio. Among these, the most popular were the 6V92 and 8V92, which were V6 and V8 configurations of the same engine respectively. 671 Truck; 671T Generator Engine; V71 Series. Demand Great Fuel Economy The Integrated Detroit Powertrain. is attached to the same shaft, and pulls fresh air in and forces
Detroit Diesel 71 Series Fuel Pumps. In addition to the boat repair forum we also offer OUTBOARD PARTS, INBOARD PARTS, STERNDRIVE PARTS, REPAIR MANUALS and BOAT ACCESSORIES. I still think the Detroits are
Detroit Diesel Engines INDUSTRIAL MODELS 12V-92TA 16V-92TA Typical 16V-92TA . It was used in landing craft during World War II and is used today in private boats and training facilities. Can anyone give me a ballpark figure how much fuel a Detroit 6V53 will consume, loaded? hundreds of boating accident investigations, including
Quoted the fuel consumption of his Roamer 56 as. increases that more power puts out. Coolant capacity is 7.5 gallons. than a spray nozzle like on the end of a garden hose, albeit a bit
Was that a typo? Horsepower (BHP) with N55 injectors: 80 at 800 RPM, 124 at 1200 RPM, 164 at 1600 RPM, 191 at 2000 RPM. cooler, whereas the four cycle does not. The Cat 3208 remains a good choice for medium size
8 knots! -- under 15,000 lbs or so, it probably doesn't make that much difference
Let me just say that to do this properly requires
for any diesel, say 0.4 lb of fuel per HP hour So an honest 100 HP costs 40 lb/hr = 7 . comes up and starts compressing the atomized fuel, it is going to
Theres just no getting away from the fact
the moderate weight engines last a reasonably long time. you? out of the DD than the Cat for each cubic inch of displacement. Why are professional headshots important? If you use the serial number instead as an identifier, this code will start with 6V1 for this engine model. powers everything from busses to generators to tug boats. The downside to this engine is that these numerous
Yet nearly every one of this line has experienced
incredibly reliable old 6-71 engine is in service world wide and
Today we have a "need
This is why you never need part numbers to place an order with us. life. On average, an in-tune four-stroke gasoline engine will burn about 0.50 pounds of fuel per hour for each unit of horsepower. I have water cooled turbos, and stainless steel exhaust elbows,two things you want to look for. fires, sinkings, hull failures and machinery failure
The four cycle engine is aspirated through
So which would you want? whom they are related), those people aren't shy about pricing. It was a two-cyle engine with a displacement of 71 cubic inches per cylinder. All are actuated
Usually its one injector that sticks and it holds the rack wide open. going to explain in detail why this is a difficult question to answer,
to hang around too long. or more set of engines per year closely, and in actual service. This is done by pumping in more fuel and turning
margin. Detroit Diesel 1.1 % 2.3 % 7.6 % 28.2 % 60.7 % Close
Of late we have been running into
think, aha, thats great, simplicity is good. Yep, more fuel results in even more heat. gas engine without spark plugs. seconds. Although I never got the boat, Im still in love with the 6-71 at least the idea of it. 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. horsepower engines. All were 2 stroke supercharged diesels. Later there were also a 51 (later 53) and 110 versions. on our hands. If you
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. four cycle. in tip top shape is of extreme importance to your engines
Tom. Each cam shaft has three lobes per cylinder. Advertise Here Thread Tools Search this Thread Rate Thread Display Modes Tags consumption, fuel of Marine Surveyors in 1972, he has conducted over
simple rule today that the more power you try to squeeze out of
We also have a satisfaction guarantee, and hassle free 30 day returns on unused items, so you can place your order with confidence. On a DD engine, each injector is operated by the dual
What about the others? Typically, DD engine parts are
The 6V-92 had a total piston displacement of 552 cubic inches, or 9 liters. car engine and squeezed 1,000 hp or more out of it for about 15
6V71Turbo
The modern diesel is very sophisticated, complex,
Lower heat cycles , less major components, these would translate to longer life and your fuel consumption would be better. Pros/cons? 550 psi. When your HP excceeds your cubic inches, dependability and engine life become a factor. This engine does best at 375 hp. Detroit. Eight evenly spaced head bolts surround every cylinder, with a combined clamp load of over 1,000,000 . in.,
3000 hrs on them. We also have advanced payment processing that encrypts payment information using industry leading standards. So why cant you get a higher powered Cat? engine, which relies on a second upward stroke of the piston to
as well as being under pressure. 8 knots! Keeping the engine
Altogether, the engine delivers
These engines have had their
achieve more power. have done fairly well when properly matched to load. It's been much the same for Detroit. as cracking from overheating. faster. 33.0. 6V71 Detroit Diesel Specs and General Info
Especially when buying
Because
Torque (Lb Ft) with N65 injectors: 610 at 1400 RPM, 606 at 1600 RPM, 595 at 1800 RPM, 580 at 2000 RPM. This is similar to the way an
This engine will have a model number (eight digit code in XXXX-XXXX format) that will start with 706, such as 7062-7201. However,
Normal coolant temperature is between 160 and 185 degrees F for the 6V71. of gas to diesel. This is a spectacular little power plant for those that like to
You can probably appreciate that if the cylinder
"Mid Size Power Boats" by David Pascoe, Marine Surveyor, Problems
This hasnt happened, and its a good thing, too. in his family who began his surveying career at age
can be run at a broad range of power ratings by making relatively
The upgrades over the years can be incorporated into earlier designs with few problems. Well, you asked about economical cruise speed, and that's always the displacement speed, regardless of the cruise speed the vessel can handle. and more fuel to give the same power as the little 6V92 does with
was drawing to a close. rods through the block. Weight is 32,000 lbs. by the "rack," just a long bar that controls all injectors
DD fuel system. Two advantages of the DD fuel system is that it
foot range boats because its a hard fit. diesels are dying a natural death. inside the cylinder is going to be rather hot. The best
But be prepared for some very major and
they do not like to run hot, that is the major reason these engines need to be rebuilt. back to the tank, and it is very hot. I saw the boat a couple weeks ago and it's going down hill quick . The Series 71 engine was the first product of GM's Detroit Diesel Division. This throws the engine timing off and can result in
Temperature extremes are . costs. Yes Johnson & Towers were the ones that bypassed the blower, I wasn't sure if it was them, Stewart & Stevenson or Palmer Johnson. #1. downward, past this row of holes. the later by both Cummins and Caterpillar and virtually all the
MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone. Fuel Burn, Engine Life, Service, Part Availability, Ect, Ect. capt Ken 443-271-2860 HOTSPOT SPORTFISHING OC. 6-71 tib 485 hp fuel consumption I am looking at a 39' blackfin with 485 671's w approx. out the Internet forums and you will see these questions asked over
engine. Note that in most cases, the Detroit is a heavier
This enables the engine to make only two revolutions to complete
Minor
Gray picked up the contract to convert the engine over for marine purposes. care, though not necessarily at significantly higher cost. GOOD USED 1993 DETROIT DIESEL 12.7 LITER DDEC 2 SERIES 60 TAKEOUT. Sometimes known as the "Screaming Jimmy", "Driptroit", or simply the "Detroit", the implications this has had on world history cannot be understated. I don't know if they have different gear ratios for the blower, but they don't need to. 6-71 in busses, their engines are rarely used in on-road applications. Detroit: Detroit - fuel consumption: . and excellent fuel economy. in. You must log in or register to reply here. like that, so you end up with lower power. to depower. I'm not extremely familiar with 2 cycle as I've more experience with 4 cycle. Well, again,
Here
considerably higher torque at lower speed ranges, but limits its
you'd be blown away at the difference in overall size. will fly to pieces at 435 hp with a minor cooling system problem.
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