Is the 6.9 L IDI a good engine?
While this might seem simplistic and inefficient to us now, the 6.9L IDI V8 diesel engine was very impressive in its time period. Its simple design also contributes to its reliability. Many IDIs are still on the road today because of just how reliable and durable they can be.
When did Ford stop using the 6.9 diesel?
1994
The engine was built in two displacements: 420 cubic inches (6.9 L), which was used in Ford trucks from 1983 until 1987, and 444 cubic inches (7.3 L), which was used in Ford trucks from 1988 until 1994 (naturally aspirated) and in 1993 and 1994 (turbocharged).
When did Ford stop making IDI?
The International 7.3L IDI (indirect injection) is a version of the four-stroke V8 diesel engine series used in International Harvester school buses, commercial trucks, Ford F-Series trucks and Ford Econoline/E-series vans from the 1986 to 1994 model years.
How much can a 1987 F-350 tow?
(automatic) up to 3,500 lbs. (manual) -depending on model, engine and axle ratio.
What was Ford’s best diesel engine?
#2 – 6.7L Power Stroke – (Best Ford Diesel Engine)
What does IDI diesel stand for?
Indirect fuel injection diesel engines
Indirect fuel injection diesel engines (also known as IDI) utilize a pre-combustion chamber, which is where fuel rapidly mixes with air and autoignition occurs. Fuel is rapidly forced into the combustion chamber, which mixes with air in the cylinder, effectively powering the truck.
Are IDI engines good?
The Navistar 7.3L IDI is a reliable diesel engine and known to outlast gasoline engines. It has a B50 life of 350,000 miles, which means about 50 percent of the engines last longer than 350,000 miles.
How much oil does a 6.9 diesel hold?
10 Quarts
Ford 6.9L IDI Diesel Fluid Capacity
| Oil/Fluid | Capacity – Quarts |
|---|---|
| Engine Oil /w Filter | 10 Quarts |
| Auto Transmission Fluid 3-Speed Auto C-6 4-Speed Auto A0D | See Below 12-13.5 Quarts 12.3 Quarts |
| Manual Transmission Fluid T-19 4-Speed Manual ZF 5-Speed Manual | See Below 3.5 Quarts 3.38 Quarts |
| Transfer Case BorWarner 1345 | 3.25 Quarts |
Did the 6.9 IDI have a turbo?
The 6.9L IDI is a naturally-aspirated all-mechanical diesel engine. IDI stands for its ‘indirect injection’ fuel system, which features a mechanical rotary injection pump and mechanical injectors. Original engines never came with a turbo, but many owners added aftermarket Banks turbochargers to increase power.
Did Ford make a 6.9 diesel?
The Ford/IHC 6.9L engine featured a bore of 4.00 inches, a stroke of 4.18 inches, produced 170 hp and 310 lb-ft of torque with a 20.7:1 compression ratio. It may not sound like much by today’s diesel standards, but 24 years ago it started a diesel revolution!
What years did Ford make the 6.9 diesel?
The International-Navistar 6.9-liter IDI diesel was offered from 1983 to 1987 in Ford trucks. It was the first diesel engine offered across the Ford pickup truck line. The 6.9 IDI is most commonly found in F-250 and F-350 pickup trucks.
How does an IDI diesel work?
Indirect fuel injection diesel engines (also known as IDI) utilize a pre-combustion chamber, which is where fuel rapidly mixes with air and autoignition occurs. Fuel is rapidly forced into the combustion chamber, which mixes with air in the cylinder, effectively powering the truck.
What is the difference between IDI and powerstroke?
The 7.3 IDI is not the same as the 7.3 Powerstroke engine. Despite sharing displacement designations, these engines have numerous differences. The 7.3 Powerstroke is computer-controlled, whereas the 7.3 IDI relies entirely on mechanical parts.
How much coolant does a 6.9 Idi take?
29-31 Quarts
Now that you know how often you need to service your 6.9L IDI, you need to find out how much fluid and oil your truck calls for….Ford 6.9L IDI Diesel Fluid Capacity.
| Oil/Fluid | Capacity – Quarts | Capacity – Liters |
|---|---|---|
| Coolant | 29-31 Quarts | 27-29.5 Liters |
How does a IDI diesel work?
What does Idi stand for on a Ford engine?
The terminology ‘IDI’ stands for indirect injection. The 6.9 IDI is a four-stroke, naturally-aspirated V8 diesel engine. It was largely a diesel alternative to the 7.5L Ford 460 engine also used in F250 and F350’s of the time. In 1988, the 6.9 IDI was replaced by the 7.3L IDI which was a nearly identical but larger engine.
How much horsepower does a 6 9 IDI engine have?
The 6.9L IDI produced up to 170 horsepower at 3,300 rpm and 338 lb-ft of torque at 1,400 RPM. Is the 6.9L IDI a good engine?
When did Ford stop making IDI engines?
During 1994 production, the IDI engine was replaced by the Navistar T444E engine, sharing only the displacement with the IDI. The T444E was the first engine marketed under the Ford Power Stroke name. In 1981 Ford signed an agreement with International Harvester to produce diesel engines for their light truck line.
What are the benefits of a Ford IDI engine?
It offered comparable horsepower numbers to Ford’s 6.6L V8 gasoline engine at the time, but had 6% more torque. Owners opting for the new 6.9l IDI engine also reaped the benefits of a diesel engine, including heavier duty components for better durability and significantly better fuel economy.