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.
When to use S-2 in Detroit Diesel 6-71?
S-2 may be used, as long as you are using fuel oils that have less than 0.5 percent sulfur. S-2 in particular should be used if the engine is constantly exposed to temperatures below freezing. Viscosity: 10W-30 and 5W-20 should not be used in the 671 engine.
When to run the oil low on a Detroit Diesel engine?
Back 30 years ago while working for a large contractor that ran several pieces of equipment which all utilized the 2 stroke Detroit Diesel engines, it was a practice to run the oil 1 gallon low, since when it was full it seemed to smoke and leak more until it got down to the 1 gallon low mark.
What causes a Detroit Diesel 6-71 Turbo to fail?
• Overheating or overspeeding of the turbo can result in premature failure. This usually happens as a result of operating the unit at altitudes that are too high, or from having the wrong injectors in the engine.
When was the Detroit Diesel Series 71 made?
Produced from the 1930s to the 1990s, Detroit Diesel’s Series 71 engine is one of the most persistent diesel engine designs ever developed. Originally conceived as a highway-capable alternative to General Motors’ large locomotive diesel engines, the Series 71 proved itself to be worthy…
How much does a 1978 Detroit 6-71 diesel engine cost?
1978 Detroit 6-71 Diesel Engine, All Complete. $4,995.00 with Exchange For Information on this or any other engines. Please Call (GOOD USED) 1975 Detroit 6-71 Diesel Engine For Sale, 250HP @ 2300RPM, 6L-71N, Model# 1067-5533, Vehicle F to F, 7.0L, 6 Cylinders, Engine Serial# 6A318821, Stock #2744 WATCH TEST RUN…
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.
What should the viscosity be on a 671 engine?
Viscosity: 10W-30 and 5W-20 should not be used in the 671 engine. The recommended viscosity is SAE 30. However, if the temperature is below freezing, other viscosities may be used. For example, from 0-30 degrees Fahrenheit, SAE20W can be used.