How much horsepower does a Detroit 671 have?
Every engine in the 71 series had a bore of 4.25 inches and a stroke of 5.0 inches. Tuned for commercial duty, it produced 165 horsepower. The battle-rated version made for the U.S. Navy developed 225 horsepower.
Why is it called a 6 71 blower?
In GMC diesel nomenclature, 6 represents the number of cylinders, while 71 represents the cubic-inch displacement per cylinder. So the displacement here is 426 cubic inches, and that is the approximate displacement of the blower as well.
Are all Detroit Diesels 2 stroke?
The Detroit Diesel Series 71 is a two-stroke diesel engine series, available in both inline and V configurations….Detroit Diesel Series 71.
| Series 71 | |
|---|---|
| Cylinder bore | 41⁄4 in (108 mm) |
| Piston stroke | 5 in (127 mm) |
| Block material | Cast iron |
| Valvetrain | Pushrod-operated 2 or 4 valves per cyl. |
Are all Detroit Diesel engines 2 stroke?
The Detroit Diesel Series 71 is a two-stroke diesel engine series, available in both inline and V configurations. Inline models included one, two, three, four and six cylinders, and the V-types six, eight, 12, 16 and 24 cylinders.
What is a 318 Detroit?
The term ‘318 Detroit’ referred to an 8V-71 with 65 mm injectors, which was rated at 318 net h.p.. The 8V-71 is a large over-the road V-8, far too big to stick in a pickup truck. There was a much smaller 6V-53 Detroit, which was usually rated around 195 h.p..
What does 671 mean on a supercharger?
The 177 or 250 number is the measurement of air in cubic inches that the blower pushes through in one rotation. A 671 pushes through 426 cubic inches.
What makes a 671 Detroit Diesel engine so good?
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. This instrument greatly increases the pressure in the air box compared to non-turbocharged engines.
What is the first digit of a 671 engine?
The first digit is the number of cylinders, so this example would be a 671 engine. In some older engines, the full engine size and series could be seen in the first three digits. For example, 671-RA63, the first three digits indicate it is a 6 cylinder member of the 71 series.
When did the GMC 6-71 diesel blower come out?
Introduced in 1938 and produced well into the 1990s, the 6-71 is a two-stroke, six-cylinder diesel. In GMC diesel nomenclature, 6 represents the number of cylinders, while 71 represents the cubic-inch displacement per cylinder. So the displacement here is 426 cubic inches, and that is the approximate displacement of the blower as well.
What kind of engine is a 6V 71?
In the 1950s, Series 71 engines in V configurations were introduced in six-, eight-, 12- and 16-cylinder versions. The engine’s configuration is indicated in its name, so a 6-71 is an in-line six-cylinder engine, while a 6V-71 is a V-6.