1973 Dodge Charger Rallye Engine Options and Specifications
In 1973 the Dodge Charger Rallye could be ordered with five different engines.
For the 1973 Charger Rallye, the 318 2 barrel engine was the standard engine. Four engine options were available including the 340 4 barrel, the 400 2 barrel, the 400 4 barrel and the 440 4 barrel.
This article will include the 1973 Charger Rallye engine options and their specifications. This includes the engine code, cost, displacement, horsepower, torque, compression ratio, camshaft, lifter type, valve sizes, bore, stroke, air cleaner, exhaust, fuel and carburetion.
1973 Dodge Charger Rallye Engine Options and Specifications
The 1973 Charger Rallye came with the following engines.
- 318 2 barrel (Standard)
- 340 4 barrel (Optional)
- 400 2 barrel (Optional)
- 400 4-barrel (Optional)
- 440 High Performance 4 barrel (Optional)
1973 Dodge Charger Rallye with a 318 2-barrel Engine
In 1973 the 318 2-barrel was the standard engine for the Charger Rallye. There was some minor differences in the rated horsepower rpm and torque from the year before.
The engine code was E44. let’s take a look at the specifications.
| Specifications | 318 2-barrel |
| Displacement | 318 |
| Bore and Stroke | 3.91″ x 3.31″ |
| Horsepower | 150 @ 3,600 RPM |
| Torque | 265 @ 2,000 RPM |
| Compression Ratio | 8.6:1 |
| Cam Duration/Overlap | 240°/248°/26° |
| Cam Lift | .373″/.399″ |
| Lifter Type | Hydraulic |
| Valve Diameter, Intake | 1.78″ |
| Valve Diameter, Exhaust | 1.50″ |
| Carburetion | 2-bbl |
| Air Cleaner | Single Snorkel |
| Exhaust System | Single |
| Fuel Recommended | Regular |
1973 Charger Rallye With a 340 4-barrel
The 340 4-barrel engine was available as an option for the 1973 Charger Rallye. The compression ratio remained the same but there was a slight increase in torque.
The engine code was E55. Let’s take a look at the specifications.
| Specifications | 340 4-barrel |
| Displacement | 340 |
| Bore and Stroke | 4.04″ x 3.31″ |
| Horsepower | 240 @ 4,800 RPM |
| Torque | 295 @ 3,600 RPM |
| Compression Ratio | 8.5:1 |
| Camshaft | High lift, high performance |
| Cam Duration/Overlap | 268°/276°/44° |
| Cam Lift | .429″/.444″ |
| Lifter Type | Hydraulic |
| Valve Diameter, Intake | 1.88″ |
| Valve Diameter, Exhaust | 1.60″ |
| Carburetion | Single Carter 4-bbl |
| Air Cleaner | Single snorkel, low restriction |
| Exhaust System | Dual |
| Fuel Recommended | Regular |
1973 Dodge Charger Rallye With a 400 2-barrel
The 400 2-barrel engine was optional for the 1973 Dodge Charger Rallye. The horsepower decreased from 190 net to 175 net and the torque decreased by 5 ft. lbs.
Let’s take a close look at the 400 2 barrel engine specifications.
| Specifications | 400 2-barrel |
| Displacement | 400 |
| Bore and Stroke | 4.342″ x 3.375″ |
| Horsepower (Net) | 175 @ 3,600 RPM |
| Torque (Net) | 305 @ 2,400 RPM |
| Compression Ratio | 8.2:1 |
| Camshaft | Hydraulic |
| Cam Duration/Overlap | 260°/268°/38° |
| Cam Lift | .434″/.430″ |
| Lifter Type | Hydraulic |
| Valve Diameter, Intake | 2.08″ |
| Valve Diameter, Exhaust | 1.74″ |
| Carburetion | Single 2-bbl |
| Air Cleaner | Silenced |
| Exhaust System | Single |
| Fuel Recommended | Regular |
1973 Dodge Charger Rallye With a 400 High Performance 4-barrel
The 400 4-barrel engine was optional for the 1973 Dodge Charger Rallye. The horsepower increased from 255 to 260 but the torque decreased by 5 ft. lbs. The compression ratio remained the same.
The engine code is E68. Let’s take a close look at the 400 4 barrel engine specifications.
| Specifications | 400 4-barrel |
| Displacement | 400 |
| Bore and Stroke | 4.342″ x 3.375″ |
| Horsepower (Net) | 260 @ 4,800 RPM |
| Torque (Net) | 335 @ 3,600 RPM |
| Compression Ratio | 8.2:1 |
| Camshaft | High lift, high performance |
| Cam Duration/Overlap | 268°/284°/46° |
| Cam Lift | .450″/.464″ |
| Lifter Type | Hydraulic |
| Valve Diameter, Intake | 2.08″ |
| Valve Diameter, Exhaust | 1.74″ |
| Carburetion | Single 4-bbl |
| Air Cleaner | Dual Snorkel |
| Exhaust System | Dual, low restriction |
| Fuel Recommended | Regular |
1973 Charger Rallye With a 440 High Performance 4-barrel
The 440 High Performance 4-barrel was available for the 1973 Charger Rallye. The engine’s horsepower and compression ratio remained the same but the torque slightly increased from the previous year.
The engine code was 86. Let’s take a look at the specifications.
| Specifications | 440 4-barrel |
| Displacement | 440 |
| Bore and Stroke | 4.32″ x 3.75″ |
| Horsepower (Net) | 280 @ 4,800 RPM |
| Torque (Net) | 380 @ 3,200 RPM |
| Compression Ratio | 8.2:1 |
| Camshaft | High lift, long duration, high overlap |
| Cam Duration/Overlap | 268°/284°/46° |
| Cam Lift | .450″/.464″ |
| Lifter Type | Hydraulic |
| Valve Diameter, Intake | 2.08″ |
| Valve Diameter, Exhaust | 1.74″ |
| Carburetion | Single Carter 4-bbl |
| Air Cleaner | Dual Snorkel |
| Exhaust System | Dual, low restriction |
| Fuel Recommended | Regular |
That’s the complete list of engines available for the 1973 Dodge Charger Rallye. If you have any questions to ask me about the engine options or specifications for the 1973 Charger Rallye car model, send us an email found specifically on my contact page or comment below.
About 38 years ago I assembled my first Mopar engine, it was for a 1970 ‘Cuda. It’s at that time my hands on experience with Mopar cars and engines, including the 440, started. Although my research of the engines started years earlier.
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1972 Dodge Charger Rallye Engine Options and Specs
1974 Dodge Charger Rallye Engine Options and Specs
Article Resources
- 1973 Dodge Service Manual
- 1973 Dodge Charger Dealer Brochure
- 1973 Dodge Dealer’s Data Book
- Google Books: Chrysler Engines 1922-1998
