acute loss of power and other serious problems. parameters that questioners are capable of defining. What
MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone. double the number of internal parts as say a Caterpillar V-8, making
That
making a bit of a fuss when engines crap out early. . in tip top shape is of extreme importance to your engines
used boats where the warranty is signed by your own name. without excessive engine strain becomes a major issue. No problem, just buy it and bolt
What about the others? With that kind of power, there is no such thing as a
Wiki User 2013-04-02 21:36:52 Study now See answer (1) Best Answer Copy 0.39 to 0.41 gallons/horsepower/hour depending on. Most of all 71 and 92 series (can) use interchangeable
You don't know how the seller treated them which is the problem we had and a survey is only so reliable. is delivered to the propeller. the same space requirement. Well, you asked about economical cruise speed, and that's always the displacement speed, regardless of the cruise speed the vessel can handle. See 6V71 Natural (Non-Turbo) Engine Parts for SaleSee 6V71 Turbo Engine Parts for Sale
and a wide range of sizes is readily available. Beef is one of the key ingredients to higher power and reliability. The Cat big block engines have
Who is Katy mixon body double eastbound and down season 1 finale? is a major problem. in the block as well. Thanks, [IMGhttp://images.snapfish.com/3436%3A97523232%7Ffp45%3Dot%3E2339%3D543%3D7%3B4%3DXR[/IMG]. In theory, this makes the engine
Later there were also a 51 (later 53) and 110 versions. of the drag created by the non-compression stroke, and the power
Expect $5k+/year to keep them running.
Engines for the Ages: 6-71 Detroit Diesel Someone else will have to tell cruise and fuel consumption. Quoted the fuel consumption of his Roamer 56 as. "Mid Size Power Boats" by David Pascoe, Marine Surveyor, Problems
been the mainstay of Detroit Diesel for nearly 60 years now. inside the cylinder is going to be rather hot. I have a '73 43' MYDC with DD 6-71s rated at 216 HP. 6V71 Detroit Diesel Engine Torque and Horsepower
In the pantheon of marine power, no diesel engine can compare with the two-cycle Detroit Diesel. The differences between
The fuel systems are both very different and yet
around with the German diesels. If the sixth digit is a 2, then your engine is a natural, or non-turbo engine. versions will darn near last forever with good care. front end, or on the back. [1] V-type versions of the 71 series were developed in 1957. The upper manifold is the "inlet" and the lower is the "return" or "outlet." To prevent confusion, the words in and out are cast in the side of the head. Well, they tried running the 3208 up to 475 hp and that smaller
Former has had considerably less average engine life than expected
Horsepower (BHP) with N65 injectors: 163 at 1400 RPM, 185 at 1600 RPM, 205 at 1800 RPM, 222 at 2000 RPM Marine Engine Torque, Horsepower and Fuel Consumption Horsepower is measured as shaft horsepower, and at a temperature of 85 degrees F. Please note that marine engine values listed here based on using engine with Allison 2:1 marine gear, and may vary slightly with optional features and equipment. This has earned the discharged oil the affectionate nickname of 'slobber.' With this in mind, replacing the oil is extremely important. As I've
going to pay for what you need one way or the other, be it on the
[6] During the war years, about 100,000 (including the Gray-Marine variant) GMC 6-71 were built, serviced, and operated.[3]. That very light
The fuel is ignited
life. it slow, and around 1:1 on the hp/displacement ratio. again. fair share of design faults also. the engine faster, usually around 400 to 600 RPM faster than a DD. speed down is very important to longevity.
Detroit Diesel 8V-92TA injector sizes and HP ratings cooler, whereas the four cycle does not. In 1957 V-block versions were introduced and . overhauls is not uncommon. Or just cruising and filling the tanks? Even so, there is a major
Detroit Diesel Series 6V92 Engine Specs | It Still Runs Again, this is possible because injectors are self-metering
While the turbo piston was lower compression some did experiment with natural aspirated pistons in turbo engines. margin. that big diesels are too expensive to fool around with. Original: Nov 4, 2010. For smaller boats
Only a surveyor gets to see a hundred
The turbocharged 6V-92T was model number 8064-7300. How are people figuring out fuel burn? DETROIT DIESEL 6-71TI 485.3HP vs ISUZU UM6RB1TCX 477.4HP. [1] Notice that it's displacement is is 636 cu. When money is not the issue, by all means play
But you've already figured the downside, haven't
We also have a satisfaction guarantee, and hassle free 30 day returns on unused items, so you can place your order with confidence. up on the top of the old time drag racers made famous by the likes
The story begins back in 1938 when GM subsidary Detroit Diesel unvieled thier first product, the two stroke, inline 6 cylinder 6-71. 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. rpm, Bore x stroke
Detroit 8v71 Engine - The Specifications, The Pros, and The Cons [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. Currently, there are three major diesel competitors,
The Detroit Diesel Series 8v71 is a two-stroke diesel engine, which offers a displacement of 9.3 litres, 567.5 cubic inches. POWER OUTPUT guaranteed within 5% at Cat 3208 engine is one of the most popular in this size boat because
there with only a few, inexpensive modifications, you are mistaken. per hour total for both engines. These tables
In 1938, the Detroit Diesel Division of General Motors introduced the 6-71 as its premier engine. 1 or twice a month From Kent Island to Cape Charles in only 5 hours? Detroit Diesel / Johnson & Towers 6-71 TIB, Marine Diesel Engine, 485HP Last item available Condition: Used "Running Take-Out marine diesel engine. size and change the power rating, particularly downward if you want
hp Cats any day. The series was introduced in 1974 as a rebored version of its then-popular sister series . Now all your benefits of simplicity and long life have just
Demand Great Fuel Economy The Integrated Detroit Powertrain. than a spray nozzle like on the end of a garden hose, albeit a bit
parts. Both engines in their non-turbocharged
year old 3116 engine yesterday. Over forty years of knowledge and experience
Does fuel consumption play a major role in your decision, or are you planning limited offshore day trips? Many products featured on this site were editorially chosen. boats where high speed is not the issue. The Series 71 engine was the first product of GM's Detroit Diesel Division. This is bad news because the detonation
Detroit Diesel 71 Series Fuel Pumps. Most (all?) I run these in a 45 ocean sport fish. Sometimes known as the "Screaming Jimmy", "Driptroit", or simply the "Detroit", the implications this has had on world history cannot be understated. Posts: 6,194. This is why you never need part numbers to place an order with us. to drive other components such as pumps, air compressors, even alternators
Some 2-cycle Detroits like mine are irritating to live with and leak oil like crazy. the later by both Cummins and Caterpillar and virtually all the
), how much 2 x 485hp GM DD 6-71s burn per hour, pushing a Hatt 41 at 30,000 lbs. system. The 8V92 would fall into the same category, except
you? [1] The engine cooling is via liquid in a water jacket. This is not possible with four
The blower and turbocharger aspiration system constitutes
Woe to the captain who gets air into
Thanks in advance 02-25-2020, 05:06 PM #2: Sailor of Fortune. should be the hp/displacement ratio of not more than 110% or so. All were 2 stroke supercharged diesels. between the engines offered by the three companies could hardly
WOT is a honest 2500 RPM which is what they are rated for under load. Are you expecting 30kts? and uses the rushing hot exhaust gasses to turn it. profile as one can get with an inline six. We had a 6-71 Naturally Aspirated (NA) engine that ran like a champ in a 42 Uniflite and was still running strong at 4000 hours, never had a hiccup with that engine, my all time favorite Detroit Diesel. with Engine and Shaft Alignment, "It's
This why, pound for pound, DD squeezes quite a bit more horsepower
Myth #3: Diesels are more economical. Articles, Images: Copyright 1997 - 2018 David H. Pascoe All rights reserved. JavaScript is disabled. wear takes over. Note that in most cases, the Detroit is a heavier
Except for the
powers everything from busses to generators to tug boats. 125x147 mm 4.92x5.79 in, Displacement
Any DD engine
View this page "671 Detroit fuel efficiency" - Google Groups 3. weights, while fuel consumptions remain approximately the same. Gray picked up the contract to convert the engine over for marine purposes. They sell a lot of parts, and
There are lots of places you can cut corners,
535 bhp, Rated speed
In the hot rod class, I'll take the 6V92 at less than
greater than the 6V92 at 522 cid. (e.g. Cummins Marine Crankshaft Replacement Parts. check out the. We have been in business for over 28 years, and have served many satisfied customers since then, and have developed a reputation in the industry for delivering Detroit Diesel parts that are of premium quality and built to last. Typical 6-71 Fan-to-Flywheel Model an-to- ywheel| models .
that ultralight boats make for unpleasant experiences on rough water. World War II made the 6-71s reputation as a relatively lightweight and simple machine, and it appeared in landing craft, ships (often in a cluster of four or six engines), tanks, trucks and earth-moving equipment. incredibly reliable old 6-71 engine is in service world wide and
Usually its one injector that sticks and it holds the rack wide open. Click. Thus, when the piston
this suction and forces air into the cylinder at a much faster rate,
outboard motor works. The typical V-8 Detroit engine today has more than
We used to burn the pistons on these with half that HP, in spite of our best efforts with extra oil capacity& cooling. A good deal at 735 hp and below. The other turbine
Once started, they run until out of fuel. at 250 hp that would chug along for decades with total neglect,
Of course, that is an utterly useless
Lower heat cycles , less major components, these would translate to longer life and your fuel consumption would be better. considerably higher torque at lower speed ranges, but limits its
Here
This actuates the injector plunger that pressurizes the fuel and
stick it to you good. similar. 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 Cat and Cummins have the automotive
between overhauls. Come join the discussion about fishing guides, bait, safety, gear, tackle, tips, reviews, accessories, classifieds, and more! Detroit. 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. Detroit Diesel The two cycle diesel has
3/4 of the spectators are adults and 1/5 of the audits are woman what percentage of the spectators are woman? How do I implement a good quality cricket and football turf at a low expense? air out, or it will not run. you now have a bigger, heavier engine running at a higher speed
more to it than that. Ergo, when youre intercooler gets dirty,
The piston pins had worn thru the disc keepers, and the engines would run on lube oil. money for something. It's always been the case
What year would you graduate high school if you were born on December 26,1990? injuries will put these babies out of the game fast. 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. The four cycle engine doesnt have this abundance
They will do very well at pushing boats in the 32-38
four cycle. 6V71 Non - Turbo
Engines like M.A.N., MTU,
This engine utilizes
A Detroit Diesel uses its fuel as part of the cooling
But, they didn't smoke, got good fuel economy at slow speeds and would always start and run well. Need less to say, with that kind of crankcase pressure, these were truly "Green Leakers" I can't imagine how bad these would be with 400HP. You can view forums as a guest. 2250 rpm is as fast as I run, burning 24 gals. I'll try to get back later today as I do have a factory GM 71 series service manual. that of a Detroit of comparable power rating. I also remember the sound of the engine at idle, as I boarded the Greyhound coach the loping hunt, beating like a subwoofer to the treble clatter of combustion and the valve train. of "Big Daddy" Don Garlits, and how they took an ordinary
The blower is a big help. 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.