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7.3 Idi Max Hp


Jun 8, 2022

How much power can you get out of a 7.3 Idi?

The 7.3 Powerstroke is a two-valve behemoth which measures in at 444 cubic inches and has a maximum stock power rating of 275hp and 525lb. ft. of torque. via

How much horsepower does a 7.3 Idi make?

Navistar 7.3L IDI vs. Ford 7.3L Powerstroke

Feature comparison Navistar 7.3L IDI diesel engine
Production years 1986 to 1994
Horsepower 185 hp @ 3000 RPM (190 hp turbocharged variant)
Torque 388 lb-ft @ 1400 RPM


Is the 7.3 Idi a good motor?

Is the 7.3 IDI a good engine? Yes, the Ford (International/Navistar) 7.3 IDI is a dependable and robust diesel engine. With few generational problems, the IDI engine family is known for its long-lasting reliability. Although it lacks power, the 7.3 IDI will run forever if taken care of. via

Did they make a 7.3 IDI turbo?

The 7.3L IDI remained naturally aspirated through the 1992 model year, but a turbocharged option was made available for the 1993 and 1994 model years. The turbocharged variant of the 7.3L IDI was introduced primarily to combat the power loss that naturally aspirated models experienced at altitude. via

How much boost can a 7.3 handle?

'94.5-'99 7.3L: 380 to 400rwhp

Either charger can hold up to 30-35 psi of boost for a while, but 40 psi or more is asking a lot for a turbo that was originally intended to see a maximum of 17 to 23 psi. via

How much HP does a 7.3 diesel have?

7.3L Powerstroke Engine Specs

Engine Years in production Horsepower ranges
7.3L Powerstroke diesel 1994 to 2004 Low: 210 hp @3000 RPM Peak: 275 hp @ 2800 RPM


How much does a 7.3 Idi weigh?

The 7.3 Liter Power Stroke has a dry weight of approximately 920 lb (420 kg). via

Did Ford make a turbo Idi?

The pinnacle of the Ford IDI was the 7.3L IDIT turbo engine. It was advertised at 190 hp and 385 lb-ft, but is generally considered to have been underrated and undertuned by Ford so as not to upstage the upcoming Power Stroke. via

How many miles will a 7.3 Idi last?

Long-Lasting Injectors

Properly maintained 7.3L injectors are virtually guaranteed to go 200,000 miles between overhauls, with most lasting well beyond that. via

Will a powerstroke starter fit an IDI?

Nope. The E4OD is the only one that will interchange. via

What does IDI diesel stand for?

The International Harvester IDI (from Indirect Injection) engine is a four-stroke diesel V8 engine used in International Harvester school buses, trucks, Ford F-Series pickups, and Ford E-Series vans from the 1983 to 1994 model years. via

How does an IDI diesel work?

An indirect injection diesel engine delivers fuel into a chamber off the combustion chamber, either a prechamber or swirl chamber, where combustion begins and then spreads into the main combustion chamber. via

When did Ford switch from IDI to Powerstroke?

Since the 2011 introduction of the 6.7 L Power Stroke V8, Ford has designed and produced its own diesel engines. During its production, the PowerStroke engine range has been marketed against large-block V8 (and V10) gasoline engines along with the General Motors Duramax V8 and the Dodge Cummins B-Series inline-six. via

How much horsepower does a 12 valve Cummins have?

The Cummins 5.9-liter 6BT 12 valve has 230 HP, 440 lb-ft of torque, and a P7100 inline injection pump right out of the box. The 12-valve is also a popular engine swap choice, powering a slew of Jeep, rat rod, muscle car, and dragster projects. via

What's the highest PSI for a turbo?

With newer diesels, boost pressures can be as high as 40 psi, yet the engine will remain reliable, and make three to four times the power of a naturally aspirated diesel. A turbocharger in its most basic form consists of only a few parts: a frame, shaft, compressor, turbine, and compressor and exhaust housings. via

How much horsepower does a 6.7 Powerstroke have?

BEST-IN-CLASS DIESEL HORSEPOWER AND 1,050 LB. -FT. OF TORQUE. *475 horsepower at 2,600 rpm with available 6.7L Power Stroke® Diesel engine. via

How much HP does a 2000 7.3 have?

Late model 7.3s, 2000-2003 model years, came from the factory with 275 horsepower and 525 lb-ft of torque when paired with the 6-speed manual transmission. via

What is the most powerful diesel truck engine?

The Detroit® DD16® truck engine is the biggest, toughest, most powerful engine Detroit has ever produced. With a wide, flat torque curve, and delivering up to 2050 lb/ft and 600 HP, it tackles your hardest jobs while performing with the fuel efficiency and reliability you've come to count on from Detroit. via

What is the most reliable diesel engine?

The 7.3L Powerstroke is still considered one of the most reliable diesel engines ever made. It also has plenty of power for most applications, with 500 pound-feet of torque and 235 horsepower. It was built for the long haul, too with an air-to-air intercooler, oil-based fueling, and durable internal hard parts. via

How often should I change the oil in my 7.3 diesel?

  • Oil and Filter - Oil change service intervals should be completed as indicated by the instrument cluster message center or every 7500 miles.
  • Fuel Filter Change - Change every 3rd oil change or every 15,000 miles(24,140 km) or as indicated by the message center which ever comes first.
  • via

    Does Ford own Cummins?

    It's a common myth that Cummins is owned by auto manufacturers like Ford or Chrysler. In fact, Cummins Turbo Technologies is an independent company that manufactures and markets a complete line of diesel and natural gas-powered engines. via

    What is the advantage of IDI engine?

    The advantages of the indirect injection (IDI) engine are its quieter combustion and a combustion system that is more amenable to high speed operation. The disadvantage of the IDI engine, is that the direct injection (DI) engine has a 10–15% lower fuel consumption. via

    What are the major two advantages of Idi system?

    First off, DI engines have higher thermal efficiency and produce less soot, so they're better for the environment. DI engines also have better performance potential, especially if they're well maintained. via

    Which is better direct injection or indirect injection?

    The IDI however has less fuel consumption due to lower thermal efficiency and a higher compression ratio required to start the engine. The DI system is better with cold starts, has a smaller combustion space, better thermal efficiency and as a result is more economical. via

    What are the disadvantages of indirect injection?

    below are the disadvantages of an indirect injection system in diesel engines:

  • Indirect injection systems require glow plugs for a cold engine start on diesel engines.
  • Fuel efficiency is lower than with direct injection because of the large exposed areas in the system causing heat loss.
  • via

    Is direct injection better?

    Due to its fine atomization of the air-fuel mixture, direct injection produces more power than other systems because it allows for greater control over ignition timing and air/fuel ratio. It is more efficient and requires less maintenance to use direct injection engines rather than port fuel injection engines. via

    Why are diesels direct injection?

    Direct injection is used at higher speeds to provide more power and less chance of knocking, which is when the air is compressed too much and the fuel spontaneously ignites. Diesel engines only use direct fuel injection — the diesel fuel is injected directly into the cylinder. via

    When did the 7.3 get an intercooler?

    The second generation of the 7.3-liter Powerstroke came out in 1999 and debuted the air-to-air intercooler and the HEUI fuel injectors. HEUI fuel injectors were an important element of the new Powerstroke parts for the second generation. via

    How much horsepower does 6.4 Powerstroke have?

    The 6.4L Powerstroke Diesel engine found in 2008-2010 Ford Superduty trucks produces 350 horsepower at 3,000 rpm and 650 of torque lb-ft at 2,000 rpm. Power can easily be increased with tuning or other mods. 500 horsepower or more can be achieved easily and inexpensively. via

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