1974 Dodge Challenger and Rallye Package Engine Options and Specs

In 1974 the Dodge Challenger with or without the Rallye package could be ordered with two different engines.

For the 1974 Dodge Challenger with or without the Rallye package, the 318 2 barrel was the standard engine and the 360 4 barrel was an optional engine. There were no other engine options available.

This article will include the 1974 Challenger 318 2 barrel and 360 4 barrel engine 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.

1974 Dodge Challenger and Rallye Package Engine Options and Specifications

The 1974 Challenger with or without the Rallye package was available with the following engines.

• 318 2-barrel (Standard)
• 360 4-barrel (Optional)

The 318 was carried over from 1973 with very little change. The 360 4 barrel was offered for the first time in the Challenger and replaced the 340 4 barrel.

Starting with the 1973 model year, the Rallye became an optional package on the Challenger. The prior year, 1972, the Challenger Rallye was a stand alone model.

Ordering the Rallye package for 1973 or 1974 did not change what engines were available.

1974 Challenger With a 318 2-barrel

The 318 2-barrel was the standard engine for the Challenger in 1974. The engine is little changed from 1973.

The camshaft and compression ratio remained the same.

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	Single Ball and Ball 2-bbl
Air Cleaner	Single Snorkel
Exhaust System	Single
Fuel Recommended	Regular

1974 Dodge Challenger With a 360 4-barrel

The 360 4-barrel was available as the optional engine for the Challenger with or without the Rallye package in 1974. This is the first time it was available for the Challenger. The 360 4 barrel replaced the 340 4 barrel.

The rated horsepower, 245 @ 4,800, was five more than the 340 from the previous year. The rated torque, 320 @ 3,600 rpm was also more than the 340 engine. The 360 shared the same camshaft as the 340 engine.

The engine code was E58 and the extra cost was $188.50. Let’s take a look at the specifications.

Specifications	360 4-barrel
Displacement	360
Bore and Stroke	4.00″ x 3.58″
Horsepower	245 @ 4,800 RPM
Torque	320 @ 3,600 RPM
Compression Ratio	8.4:1
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, low restriction
Fuel Recommended	Regular

That’s the complete list of engines available for the 1974 Challenger. If you have any questions to ask me about the engine options or specifications for the 1974 Challenger 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.

Read More E-body Challenger R/T and Rallye Articles

1970 Dodge Challenger R/T Engine Options and Specifications

1971 Dodge Challenger R/T Engine Options and Specifications

1972 Dodge Challenger Rallye Engine Options and Specifications

1973 Dodge Challenger Rallye Engine Options and Specifications

Article Resources

• 1974 Dodge Service Manual
• Google Books: Chrysler Engines 1922-1998
• The Definitive Barracuda & Challenger Guide 1970-1974 by Scott E. Ross