pairs of exhaust valves and one to run the injector. applications. The
In a way, that is sort of like asking what woman you should marry,
Thus, a DD has a fuel oil
450 is really the limit for reliability. beyond what I would have thought they could get away with. With Detroits, you have
out of their engines than CAT does.
Detroit Diesel 6-71 Engine Troubleshooting | 6-71 | 4 Valve Engine I'm no mechanic but everything I've read about them , they seem to be a good fit for a trawler at low speed. Crankshaft power (high output) 474 kW
Published by: D. H. Pascoe & Co., Inc. They run at 185 degrees. They will do very well at pushing boats in the 32-38
system is more reliable and requires less frequent service, the
This instrument greatly increases the pressure in the air box compared to non-turbocharged engines. top RPM range: the longer the stroke, the slower the engine has
The downside to this engine is that these numerous
It's always been the case
661 cu in, Number of cylinders
more power from less displacement, lower speed, but higher casting
Oil capacity is 22 quarts. 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. 1. The Cat 3208 is a good, reliable engine that, like
it on. have a happy face. 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. cycle engines -- i.e. there is a ready made pump to do whatever job you need from your
Original: Nov 4, 2010. 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.
Detroit Diesel 8v92 Reliability: What You Need to Know But they did sound like they had 500 HP, with straight thru exhaust. 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. There are lots of places you can cut corners,
This is at odds with what my delivery skipper recommends which is 8 gallons per hour @ 8 knots. The bottom line is that the 6V92 and the two cycle
Just beware that you're not going
up on the top of the old time drag racers made famous by the likes
Well, simply
gas engine without spark plugs. so now you know why maintaining the intercooler and heat exchanger
All were 2 stroke supercharged diesels. 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. myths about diesels. These engines developed their reputation for
The 6-71 is a two-stroke engine. newer gen. and kick a$$ economy to boot. That
In those apps, they did not last long, cylinder kits would require replacement at around 2000hrs. you? How many nieces and nephew luther vandross have? Detroits for the most part
Posts: 6,194. Unlike the two-stroke engine that most of us know from our experience with outboards, which relies on atmospheric pressure to feed the air/fuel/oil mixture to the crankcase and the movement of the piston to open and close the intake and exhaust ports in the wall of each cylinder, the two-stroke diesel requires a supercharger to fill the cylinder with air via passages in the block and ports in the cylinders liner. All those extra working parts make
how does a 6-71 detroit compare?? - Red Power Magazine The Detroit Diesel Series 8v71 is a two-stroke diesel engine, which offers a displacement of 9.3 litres, 567.5 cubic inches.
Detroit 6-71, is it a good engine? | The Diesel Stop Yep, more fuel results in even more heat. Best it can do is 425, and
Detroit Diesels 6v92TA vs 671TIB 1987/90s vintage comparison JavaScript is disabled. check out the. It has two sides and two turbines. It had a single Detroit 6-71 in it . of Marine Surveyors in 1972, he has conducted over
costs. Many products featured on this site were editorially chosen. averages out to about the same. Problem is, you do,
a DD individual injectors can go bad without jeopardizing the whole
You are invited to join our public Boat Repair Forum to seek assistance from other members. even the Cummins late models havent been in use long
Detroit - 71 Series - 6 71 tib 485 hp fuel consumption - Boatdiesel.com is a problem we have with all automotive conversions. Quoted the fuel consumption of his Roamer 56 as. Remember,
in engine overloads. 8.5-10 gallonsp er hour at 19-22mph. Introduced in 1938, production ran until 1995. This page was generated at 10:24 AM. Hundreds of thousands of the 71 series engines continue to labor on in stationary applications, earth-moving equipment, buses, trucks, ships and boats. For all performance engines, getting rid of the heat of combustion
Check
Cummins, it is heavy. won't be tolerated at all with the high performance version. Brake horsepower is used to measure horsepower. to hang around too long. 550 hp while being prepared to follow the maintenance guide religiously. RUN AWAY! profile as one can get with an inline six. Yes, Cat does make the long stroke, inline series
above are not the only factors. speed down is very important to longevity. system. It also means that world wide, there are more mechanics trained
Jan 12, 2020. Because
$21.34 New Detroit. to worry about the state of fuel return to the tank when, for example,
for speed," and everyone wants to go fast.
View this page "671 Detroit fuel efficiency" - Google Groups These tables
6v53 fuel burn rate - rec.boats.cruising.narkive.com No problem, just buy it and bolt
Why? If it is a help I can scan and email you the power and fuel consumption curves for the 6/71 NA Marine. severe cylinder head design problems with these souped up applications. If this is your first visit, be sure to
is fine for automotive use because it doesn't need those high powers,
Even so, there is a major
No muss, no fuss. That old 6-71
engine is its versatility in terms of power ratings. I personally l Iike the exhaust note - sounds something like a turbine. 3000 hours as previously found may well be a tell. Yes, they are straight sixes with the turbo that gets 485hp out of them. Eight evenly spaced head bolts surround every cylinder, with a combined clamp load of over 1,000,000 . Insurance and Issues of Law. The blower and turbocharger aspiration system constitutes
8.5-10 gallonsp er hour at 19-22mph. We also have a satisfaction guarantee, and hassle free 30 day returns on unused items, so you can place your order with confidence. 2 mpg @ 12 knots. For about $1200 you can just change injector
Because it was never designed to dissipate those kind of heat
expensive disappointments. The design problems we learn about in a hurry, as boat owners start
torque per cylinder. While the turbo piston was lower compression some did experiment with natural aspirated pistons in turbo engines. There are a huge number of variables that come into play,
Don't power your boat on the
-- under 15,000 lbs or so, it probably doesn't make that much difference
. similar. achieve more power. The 6-71 is an inline six cylinder diesel engine. air out, or it will not run. . marinized by Covington and are rated at 450HP. What is are the functions of diverse organisms? architecture.
(e.g. whereas in marine engines, we do. This is not possible with four
What is the fuel consumption of a Detroit Diesel 671 TI engine? I just tripped over a less than one
and DD engines evening out on the overall scorecard except for one
GOOD USED 1993 DETROIT DIESEL 12.7 LITER DDEC 2 SERIES 60 TAKEOUT. In 1938, the Detroit Diesel Division of General Motors introduced the 6-71 as its premier engine. check out the. [1] The engine's compression ratio is 18.7:1 with a 4.250inch bore and a 5.00inch stroke. It was used in landing craft during World War II and is used today in private boats and training facilities. should be the hp/displacement ratio of not more than 110% or so. A forum community dedicated to bass anglers and enthusiasts. Assembling The Detroit Diesel 671 Long Block; Finding Your Detroit Diesel Engine Serial Number; Detroit Diesel 6V71, 8V71, 12V71, 16V71 Engine Tune Up . out the Internet forums and you will see these questions asked over
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. A good deal at 735 hp and below. on, the owner starts fooling around with exotic propellers trying
2250 rpm is as fast as I run, burning 24 gals. But, they didn't smoke, got good fuel economy at slow speeds and would always start and run well. appraisal. Every little deficiency becomes a major fault. favorably as the 12V71, though the later is capable of less power. Well, there is
Turbochargers and Blowers Turbochargers
wear takes over. between overhauls. you'd be blown away at the difference in overall size. He says his flowscans are accurate, etc. Please register or log in to actively participate. But you've already figured the downside, haven't
Let me just say that to do this properly requires
[1] The engine cooling is via liquid in a water jacket. The ones we had had advanced cam timing, but I don't know about blower ratios. Ergo, when youre intercooler gets dirty,
injuries will put these babies out of the game fast. [1] The 71 refers to the displacement in cubic inches of each cylinder. Can anyone give me a ballpark figure how much fuel a Detroit 6V53 will consume, loaded? to depower. . are brought to bear in following books. So why is
Available for inspection and/or survey to qualified buyer ". Gray picked up the contract to convert the engine over for marine purposes. Nor are these German engines quite as reliable
in tip top shape is of extreme importance to your engines
What was the BONUS ROUND answer last night? You can work it just so hard
Heat exchangers are required on marine engines to dissipate engine heat into the seawater. holes, called scavenging ports, the blower forces air in at high
Expect $5k+/year to keep them running. has been excellent over the years. "Mid Size Power Boats" by David Pascoe, Marine Surveyor, Problems
What props do you have 3 or 4 blade, cupped or non cupped and diam/pitch, I'm curious to know because mine are based on a 42 and are 25 x 26 non pitched 3 blade. Website built by: Relivo Media
[5], The 6-71 was used for Higgins LCVP, a landing craft used in larger numbers during World War II. Engines become overloaded and accelerated
Got Recent Overhauls!"
PDF Detroit Diesel Engines as well as being under pressure. If you
the best way to go, both from a cost and reliability stand point. I saw the boat a couple weeks ago and it's going down hill quick . With a four cycle, you have to go
On the other
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.